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#26 2012-05-26 16:08:18
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Generated a three device partitioned boot grub2 raid0 in my machine.
Utilized pcie sata device for the third device as Master.
Results indicate a problem with one device (all maxell16GB 400x udma devices) which does not return the same speed as the other two.
Hdparm results follow:
sh-4.2# hdparm -t /dev/md0 /dev/sda /dev/sdb /dev/sdd
/dev/md0:
Timing buffered disk reads: 638 MB in 3.01 seconds = 212.05 MB/sec
/dev/sda:
Timing buffered disk reads: 250 MB in 3.02 seconds = 82.71 MB/sec
/dev/sdb:
Timing buffered disk reads: 244 MB in 3.00 seconds = 81.27 MB/sec
/dev/sdd:
Timing buffered disk reads: 198 MB in 3.01 seconds = 65.76 MB/sec
sh-4.2# Will attempt a different arrangement of devices to establish all at the higher speed.
EDIT: Cannot utilize three devices at higher speed in raid0 with my machine as it is configured. With one device connected as a slave, the speeds of the devices are all 82mb/s or therabouts but the device /md0 speed falls to 130mb/s. The machine has only two Master sata ports and the pcie sata does not perform as sataII (probably bus limited). Need a sata device port multiplier I guess....one such is a new mobo at $800!
Last edited by lilsirecho (2012-05-26 16:45:53)
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
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#27 2012-05-27 23:07:19
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Re-installed raid0 to two maxell 400x udma cf cards:
sh-4.2# hdparm -t /dev/md0 /dev/sda /dev/sdb
/dev/md0:
Timing buffered disk reads: 554 MB in 3.01 seconds = 184.21 MB/sec
/dev/sda:
Timing buffered disk reads: 250 MB in 3.01 seconds = 82.93 MB/sec
/dev/sdb:
Timing buffered disk reads: 244 MB in 3.00 seconds = 81.29 MB/sec
sh-4.2# This speed indication seems to be consistent with many other applications with these maxell devices in raid arrays.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#28 2012-05-28 22:33:07
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
As an experiment, I connected the paired cf cards in a pattern with one pair on ch0 master and ch3 slave with the boot device in ch0 master.
The second pair of raid devices were connected to ch0slave and ch2 slave.
Each setup is recognized for booting as CH0 devices, one is CH0 master and the other is CH0 slave.
Each can be booted separately and hdparm readings indicate the read speeds as has been reported in previous post.
Thus one pair is ~29 GB and the other is ~59GB each bootable separately. EDIT: x86_64
My mobo is set to auto bios for boot sequencing on a gigabyte 945GCM-S2 mobo.
This arrangement allows easier selection of raid0 pairs in my machine.
I have yet to try the pcie ports (sata) for a third and fourth paired devices.
I do not expect the pcie to produce high read speeds, however.
So far, so good.!
Last edited by lilsirecho (2012-05-28 22:34:30)
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#29 2012-05-29 14:35:57
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Up to this time I haven't made the pcie boot both devices of a raid0 pair.
In toto, I am pleased with the KISS nature of the CF raid0 system. It has low power required, quiet, higher speed , no latency lags and less complexity in the archlinux operating system.
It is probable that this approach can be improved as time goes on. I enjoyed the experiments with bootable grub2 partitioned archlinux.
Perhaps the pcie arrangement needs a HOOK such as scsi? Is there a scsi HOOK?
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#30 2012-05-29 15:40:28
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
It seems that scsi is indeed installed in the system HOOKS so the pcie probably should perform as well.
Try it later.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#31 2012-06-01 17:09:01
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
No luck with pcie.
Todays upgrade includes changing udev.
I will upgrade this raid0 and report the result.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#32 2012-06-01 17:19:48
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
The reboot was successful.
Must upgade the rest of the raids.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#33 2012-06-04 12:14:16
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Approximately 13% of capacity is in use in archlinux system with my compact fllash.
Typical size is 4 to 7 GB for the raid0 pairs.
Typical boot speed is ~7 seconds. This varies with system content.
No failed components up to this time and many re-installs and dd operations have been applied to all components. The components have been installed in raid devices for two years or more up to this point.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#34 2012-06-08 17:05:16
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Raid0 saga continues.......
Upgraded to linux-3.3.8-1-x86_64 successfully this date.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#35 2012-06-16 09:47:13
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Raid0 experiment continues with upgrade to Linux-3.4.2-2 this date.
Update includes firefox and thunderbird.
Update applied to all five pairs of CF cards.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#36 2012-06-19 16:17:06
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Upgraded all five raid0 pairs this date to linux-3.4.3-1-x86_64 with additional packages totaling ~275mb.
System reboots and all is well.
May try a raid0 within a raid0 in an extended experiment.
Each pair of devices has different packages. Some of these are kdenlive,firefox,vlc,mirage,qtfm,jumanji-git,leafpad,xfce4 among others.
Jumanji is a great package included in all five pairs.
So far, so good..............................
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#37 2012-06-21 11:26:38
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Corrected a deficiency in xfce4 mouse themes by copying /usr/share/icons from HDD file to all five raid0 pairs.
The mouse cursor is now quite large and is red. This helps to navigate the curcor for this old man of nearly 87 years.
There have been over 2000 visits to this thread and the experiment continues.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#38 2012-06-23 22:35:27
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Realizing that hdparm is not a good measure of thruput, I downloaded iozone and ran the iozone -a program with the following results:
sh-4.2# iozone -a /dev/md1
Iozone: Performance Test of File I/O
Version $Revision: 3.373 $
Compiled for 64 bit mode.
Build: linux-AMD64
Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
Al Slater, Scott Rhine, Mike Wisner, Ken Goss
Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer.
Run began: Sat Jun 23 15:15:21 2012
Auto Mode
Command line used: iozone -a /dev/md1
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
random random bkwd record stride
KB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread
64 4 182757 760859 1879725 2379626 1933893 809014 1279447 913649 1734015 771797 743988 1421755 2298136
64 8 202469 852702 2133730 2772930 2379626 942521 1484662 1049372 1947927 955947 829001 1690338 2662899
64 16 221334 913649 2379626 3057153 2662899 1033216 1599680 1163036 2067979 998622 1105556 1780008 3022727
64 32 226183 952555 2561267 3363612 2892445 1105556 1638743 1119387 2006158 1002351 1452528 1828508 3203069
64 64 228688 969761 3057153 3363612 3203069 1163036 1679761 1163036 1892980 1101022 1049372 1933893 3203069
128 4 216934 843068 1939522 2464907 2004703 887675 1455701 1032829 1727352 847059 770474 1705404 2326073
128 8 228086 940549 2166499 2420455 2377579 934004 1684006 1123617 2248149 821147 962469 1827299 2464907
128 16 227025 992724 2367096 3218540 2843510 1105114 1827299 1266785 2132084 1024942 1074159 1911894 3053774
128 32 247542 985435 2621367 3359523 2673584 1155043 1997245 1319723 2202044 1196221 1294270 2027414 3380677
128 64 251956 1067750 2905056 3445772 3199360 1254941 1967960 1231904 2409592 1243315 1504659 2098744 2985839
128 128 245168 1057236 3445772 3657016 3468030 1294270 2166499 1240443 2238774 1294270 1022989 2202044 3380677
256 4 226728 880256 2015259 2480886 2034350 917880 1581810 996229 1884399 544823 861885 1248819 2371308
256 8 250475 991629 2266207 2880164 2486631 1036624 1826695 1180188 2266207 1008392 977189 1729594 2719671
256 16 260376 996229 2480886 2719671 2911402 1117543 2114473 1368162 2726577 914752 1075025 2114473 3123106
256 32 273439 1027695 2639446 3499745 3197509 1274008 2170027 1437779 2943325 1213534 1062263 2330140 2783115
256 64 276110 1052888 2812272 3605511 3368013 1325925 2223962 1447470 2903529 1391207 1230218 2458168 3454704
256 128 269459 1152323 3087188 3667079 3368013 1354356 2285501 1325925 2692393 1319408 1610276 2350543 3410808
256 256 273230 1093639 3654598 3605511 3410808 1280084 2350543 1274008 2413957 1340826 1142514 2392442 3410808
512 4 182457 911184 2039772 2486072 2057359 932956 1650887 1091863 1983258 869143 851903 1977778 2391924
512 8 258832 1010197 2285029 2891043 2521095 1079785 1977778 1230786 2357784 1011625 980673 2180616 2811557
512 16 277208 1019791 2460437 3239989 3012719 1196499 2275345 1410215 2782414 962218 1012101 2317080 2942541
512 32 281165 1053304 2609952 3086326 3163620 1299295 2141475 1520013 2753870 1096322 1130370 2449212 3158966
512 64 281792 1147892 2497638 3481620 3459188 1361057 2486072 1488408 3220553 1293037 1155924 2509312 3201349
512 128 277926 1158418 2796910 3459188 3415178 1316016 2474613 1475116 3029721 1434711 1379416 2497638 3325278
512 256 289425 1165966 3068685 3459188 3325278 1373241 2427068 1479181 2782414 1340664 1809465 2381315 3264616
512 512 286682 1096322 3481620 3550700 3351224 1357615 2327124 1350783 2256220 1264113 1282994 2486072 3372274
1024 4 243578 907872 2028027 2437821 1973059 955965 1735476 1130014 1954207 872286 856115 1917562 2331932
1024 8 266804 978172 2207295 2710090 2391665 1058967 1976691 1213334 2265510 909410 955965 2142335 2715230
1024 16 283350 1046836 2426801 3029305 2820430 1206178 2222141 1436056 1973059 970437 1043783 2365323 2859868
1024 32 289266 1098792 2553783 3130886 3083680 1268896 2290886 1544504 2598591 1157109 1071116 2497356 3046495
1024 64 293315 1107005 2640123 3103735 3251778 1345623 2461573 1560781 3335105 878890 1125277 2561398 3112733
1024 128 295353 1115342 2829721 3189002 3241960 1340164 2467229 1590254 3324778 1265904 1242826 2586074 3121783
1024 256 294583 1094034 2805690 3046495 3160839 1326505 2516377 1556257 3220084 1379773 1319577 2392998 3066069
1024 512 294603 1077836 2844715 3149251 2960401 1197769 2301937 1426043 2686359 1253344 1612342 2160657 2884840
1024 1024 281714 986485 2211841 2207295 2155236 1061060 1750329 1111877 1861867 1071116 1086012 1882266 2115949
2048 4 241284 841424 1965297 2074960 1830057 868213 1630647 1132817 1687011 826845 826209 1910655 2029850
2048 8 264665 920500 2100328 2345819 2115848 998039 1948358 1272808 2043857 941589 897795 2153510 2248199
2048 16 281279 981840 2316716 2500850 2544558 1073902 2188069 1392253 2434922 1001998 964640 2316716 2509617
2048 32 270968 1013345 2572756 2720222 2673655 1147343 2354177 1533970 2482062 981728 1047577 2395538 2575842
2048 64 294167 1047577 2662880 2763097 2775597 1221930 2373037 1579088 2631876 1091782 1077945 2510351 2748949
2048 128 295696 1041102 2622235 2839830 2913021 1195569 2566606 1650385 3436240 821782 1071090 2482779 2753355
2048 256 296124 1067761 2659582 2884652 2964289 1198405 2579710 1626633 3447273 1058942 1107120 2404254 2687877
2048 512 293364 982739 2522144 2510351 2513289 1128353 2252916 1591375 3122697 1097501 1081882 2021729 2446713
2048 1024 283657 868915 1807339 1823453 1762469 930875 1642495 1091089 1745990 1012390 1242791 1681397 1756343
2048 2048 259673 775418 1284801 1276781 1289623 825811 1331606 829880 1307885 840353 850084 1280778 1384623
4096 4 238818 791013 1944786 1984550 1714419 768474 1604424 1120976 1627219 778997 771372 1828656 1930364
4096 8 263051 870580 2070910 2196407 1994225 888316 1952522 1290573 2019781 799219 850665 2101820 2155619
4096 16 276832 934511 2330167 2358315 2370354 969037 2175271 1497181 2321978 867240 911843 2252859 2468795
4096 32 286633 962845 2417722 2547503 2558505 1046225 2385825 1587670 2508447 942250 944218 2463132 2568066
4096 64 291283 973429 2540722 2675656 2595614 1064177 2432098 1632476 2617364 972933 977583 2485223 2652931
4096 128 295142 983234 2542602 2729213 2686114 1094551 2590917 1688305 2689478 899196 983234 2492796 2693273
4096 256 279094 981549 2645985 2775061 2671911 1048908 2566532 893909 3564431 985095 1004153 2548637 2700046
4096 512 296937 963980 2635836 2778652 2671911 1063320 2541097 1592526 3382659 971722 966311 2520592 2658267
4096 1024 286613 859603 1883178 1898159 1829240 900232 1614527 1114287 2015752 703435 838664 1818012 1829240
4096 2048 274843 756262 1199727 1193476 1210463 803894 1206891 835889 1216118 794745 1047309 1178090 1188605
4096 4096 256753 763895 940548 866322 1185570 801082 1144805 711859 1169589 814489 809805 951223 1025002
8192 4 228871 718029 1938948 1677328 1629906 664883 1648597 1147665 1563027 742290 736956 1885017 1880993
8192 8 258897 831757 2097817 2191616 2011834 850134 1933058 1301958 1685887 817800 820025 2077020 2043907
8192 16 270317 824967 2307601 2311482 2276262 934836 2260389 1479250 1747803 869364 865510 2311482 2411411
8192 32 276244 916533 2435339 2486807 2471247 975690 2418710 1606886 1973472 912856 901811 2442611 2538620
8192 64 285624 941599 2559231 2637415 2603048 1033941 2477840 1658304 2170709 929953 919919 2557706 2634988
8192 128 288643 943357 2523889 2689438 2709800 1038786 2571296 1707756 2632364 955557 939334 2545013 2542565
8192 256 281522 952986 2612350 2582505 2704680 1046888 2615532 1685969 2702765 959345 943565 2609771 2741583
8192 512 291488 944317 2610564 2729821 2700004 1042126 2557516 1688372 3660429 888013 890822 2564005 2708945
8192 1024 280731 839500 1899817 1840489 1811572 802332 1730114 1148816 1994666 711974 702038 1499783 1447834
8192 2048 239736 694124 1174659 1156589 1081181 789283 1149431 795791 1049318 774289 771075 1172815 1165455
8192 4096 269146 734907 1135716 1122360 1153831 791483 1149431 715338 1135903 820084 1060590 1154452 1136956
8192 8192 265587 743446 1131639 1138878 1141413 783703 1128368 696065 1135866 788450 800929 1124675 1128850
16384 4 233141 741992 1971083 2039346 1536392 718373 1668239 1155496 1472997 721094 714333 1918316 1966908
16384 8 256585 818997 2190904 2264247 1902858 819974 1984288 1318743 1986869 804283 803137 2151800 2205105
16384 16 270416 870651 2357782 2481671 2246850 905099 2256737 1481668 2276172 855296 847773 2362159 2465555
16384 32 279872 901359 2467148 2634160 2482478 961557 2461492 1606090 2510226 891791 886819 2499453 2596930
16384 64 284271 903647 2565614 2545372 2608959 952389 2560738 1695529 2623501 878082 847292 2594087 2672266
16384 128 285008 934363 2643483 2719753 2703170 1016067 2619401 1717222 2679769 927315 919265 2629423 2719322
16384 256 287126 943458 2639117 2751221 2742547 985977 2638307 1436689 2689417 937934 926690 2663565 2727850
16384 512 287504 933513 2636283 2737521 2710313 1013116 2626007 1664723 2692051 855743 861731 2630329 2727958
16384 1024 273860 824678 1733204 1821695 1734297 883331 1794110 1001467 1832431 641154 678926 1779522 1783401
16384 2048 268563 741760 1154526 1029276 1159356 791536 1142377 837972 1123421 673378 689333 1144698 1115996
16384 4096 265956 744355 1117920 1141504 1103151 788910 1119122 825967 1093513 772981 792915 1124414 1103452
16384 8192 265677 748335 1031734 1074366 1118284 761512 1115090 742529 1111753 856821 1076841 1118047 1112059
16384 16384 265418 745065 1012369 1132586 1121587 789363 1127976 609453 1127125 800582 802115 1127217 1129700
32768 64 282110 826204 2592805 2495631 2634100 960320 2621689 1668256 2637892 901062 898541 2650508 2654142
32768 128 279793 899800 2640223 2285590 2690091 1004444 2660410 1716317 2687882 887826 831507 2680176 2576281
32768 256 284353 920704 2671424 2554636 2572471 975299 2687461 1749214 2668209 890507 911817 2695631 2546448
32768 512 282602 743541 2653066 2684364 2698065 1000066 2701141 1708360 2697642 838442 779075 2660565 2675377
32768 1024 273105 820943 1749303 1737714 1754260 884285 1760665 1050123 1745770 664274 667727 1709337 1668094
32768 2048 265980 736275 1117101 1136001 1118137 787806 1087335 728015 970875 662580 643872 1115432 1124771
32768 4096 264950 679144 1101301 1118018 1110933 783906 1056005 763236 1042003 696109 700665 976199 1130163
32768 8192 265650 680735 1106087 1106461 1112399 795029 1055803 754277 1092373 778890 797099 969205 1123502
32768 16384 263913 678681 1113426 1120461 982227 836579 1074221 645520 1100517 929509 952203 1104745 1116837
65536 64 280695 909601 2659324 2715277 2637178 974019 2640446 1693569 2643443 894494 893616 2683704 2703740
65536 128 283449 924618 2687009 2759768 2708322 999876 2702517 1725094 2709309 910349 910904 2726562 2607583
65536 256 279916 890919 2713133 2763597 2745764 969526 2747493 1742978 2749691 909830 914169 2703633 2575890
65536 512 284770 916626 2525666 2718661 2687009 1004550 2553516 1771430 2696499 842473 840873 2654137 2405958
65536 1024 272276 814161 1570131 1784946 1751318 875622 1408497 985667 1657000 633015 656666 1416970 1770233
65536 2048 261586 735294 927708 1098067 1147098 797034 1115486 793191 1144476 615275 617535 934733 1012248
65536 4096 262244 742566 995322 1135531 1121347 772602 987700 813364 1003490 694590 664658 1068770 1132117
65536 8192 265215 707236 1034539 1138645 1136752 792733 1001800 815074 1097243 709740 686558 1056674 1148767
65536 16384 273138 737925 1126005 1134940 1055315 837381 1128371 796701 1079032 770583 806011 1064552 1145774
131072 64 317125 929766 2688045 2749922 2651626 974223 2664451 1699826 2665200 886711 924285 2717194 2739276
131072 128 295368 923868 2728671 2768089 2526105 1039356 2537309 2026310 2736944 911817 949157 2761845 2781661
131072 256 293094 938696 2746858 2813362 2772961 996337 2676515 2059289 2769037 895496 905562 2734602 2795778
131072 512 285409 913303 2659424 2761332 2694580 996138 2734602 1720579 2461345 799185 835326 2734317 2761914
131072 1024 283691 833324 1748349 1723270 1860206 944185 1670412 1103644 1767329 673030 662562 1818445 1737963
131072 2048 281514 724295 1141434 1158832 1106318 838382 1107073 857346 1140253 619787 631642 1117378 1153386
131072 4096 270398 730205 1083060 1117703 1112173 832557 1065045 853366 994106 674481 655884 1110470 1114538
131072 8192 265779 749938 1120859 1089341 1125631 850613 1112062 807263 1078720 666002 673764 1086977 1132105
131072 16384 274166 735086 1058004 1098086 1098518 829280 1075694 809431 1082962 709924 712676 1086624 1091348
262144 64 291428 682232 2714348 2777331 2582548 752794 2634136 1998139 2628217 698583 643326 2649554 2648852
262144 128 269835 689814 2677453 3017587 2947161 766604 2674066 2037318 2710902 729675 715913 2692691 3011281
262144 256 275130 705346 2460430 3037133 2982399 755957 2816755 2054356 2738279 692549 706814 2683150 2843519
262144 512 295365 708005 2646958 2997579^C
iozone: interrupted
exiting iozone
sh-4.2# A great deal of info is developed and indicates thruput rather than simple sequential.
The headings appear at the top to indicate the test performed and the results are shown in KBYTES.
This set of data was made on maxell 16GB devices running in raid0 /dev/md1.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#39 2012-06-24 23:02:25
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Upgraded this date to linux-3.4.4-1 with all five pairs.
No problems encountered.
I am attempting to generate graphs for the iozone data but haven't a clue as to why the Generate_Graphs package does not produce the graphs with the scripts provided for gnu plot.
I would appreciate suggestions for graphing the iozone data with the present state of the iozone packages. There seems to be a lack of co-ordination with the iozone data file or entries into the scripts file.
I installed the iozone paclages from the aur but they are orphaned.
The data is generated as is shown in previous post but doesn't produce any graphs with the Generate_Graphs command. Will post the output obtained at a later time.
The packages provided are supposed to generate 3d color graphs for each of the data categories. Much of the google data applies to windows but gnuplot is covered in many url sources.
I guess I just don't understand!!!!!!!!
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#40 2012-06-25 10:33:00
- eldragon
- Member
- From: Buenos Aires
- Registered: 2008-11-18
- Posts: 1,029
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
i think you need a blog
Offline
#41 2012-06-26 04:01:50
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Experiment continues with upgrade to linux-3.4.4-2 with no problems.
Will soon have a three device experiment completed with the same kernel.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#42 2012-06-26 13:12:16
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Continuing the experiments I generated a three device raid0 bootable grub2 partitioned.
The devices are three adata 16GB 266x compact flash devices. One of them is in an adapter to a pata port and the others are in adapters to sata ports(sataII)
The results with hdparm on mounted raid0 devices can be misleading. In the three device case the indicated read speed was ~73mb/s. If hdparm is run on an unmounted raid0 , from an HDD boot for example, the raid0 speed is double the slowest device read speed. This is the expected result.
There is a caveat with this data as observed because there was an error in applying dma to the devices, at least one of them. It is something I need to look into since it doesn't show up in every raid0 system I have geerated.
The three device raid0 took about 1 and 1/2 hours to generate using xfce4 and installing xorg,firefox,leafpad,mirage,vlc, jumanji,thunderbird,xpdf,gamin,gparted and qtfm.
The read speed in hdparm from HDD is 143mb/s.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#43 2012-06-26 22:18:02
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Performed an install via internet with archiso x86_64 using 3 maxell 16GB UDMA 400x devices. Again this is raid0 partitioned boot with grub2 with three CF devices. The entire gamut including the packages all downloads and installs to xfce4 took ~1 and 1/2 hours.
The three device setup has an interesting sidelight when using hdparm for read speed. The mobo has one pata and two sata ports such that speeds are not equal for all three devices. The pata port is limited .
The result of running hdparm within the booted raid0 is shown below:
sh-4.2# hdparm -t /dev/md3
/dev/md3:
Timing buffered disk reads: 268 MB in 3.01 seconds = 89.09 MB/sec
sh-4.2# hdparm -t /dev/md3 /dev/sda /dev/sdb /dev/sdc
/dev/md3:
Timing buffered disk reads: 274 MB in 3.01 seconds = 91.04 MB/sec
/dev/sda:
Timing buffered disk reads: 188 MB in 3.00 seconds = 62.62 MB/sec
/dev/sdb:
Timing buffered disk reads: 232 MB in 3.02 seconds = 76.83 MB/sec
/dev/sdc:
Timing buffered disk reads: 222 MB in 3.01 seconds = 73.73 MB/sec
sh-4.2# Because the linux system now sets up mdadm devices as md127 or some such, the ....cat /proc/mdstat info is oriented thereby. The hdparm run can be made on that device ID to obtain the read speed for the same devices which are not mounted in a running raid. This is obtained with an HDD boot. The next post will illustrate what happens with that readout.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#44 2012-06-26 22:31:16
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Booted in USB HDD into archlinux.
Performed the hdparm read speed again with the following results...first on /dev/md127 and then after stopping that on the assembled /dev/md3:
sh-4.2# hdparm -t /dev/md127
/dev/md127:
Timing buffered disk reads: 630 MB in 3.01 seconds = 209.31 MB/sec
sh-4.2# mdadm --stop /dev/md127
mdadm: stopped /dev/md127
sh-4.2# mdadm --assemble /dev/md3 /dev/sda2 /dev/sdb2 /dev/sdc2
mdadm: /dev/md3 has been started with 3 drives.
sh-4.2# hdparm -t /dev/md3 /dev/sda /dev/sdb /dev/sdc
/dev/md3:
Timing buffered disk reads: 632 MB in 3.00 seconds = 210.40 MB/sec
/dev/sda:
Timing buffered disk reads: 194 MB in 3.03 seconds = 64.07 MB/sec
/dev/sdb:
Timing buffered disk reads: 248 MB in 3.01 seconds = 82.52 MB/sec
/dev/sdc:
Timing buffered disk reads: 244 MB in 3.00 seconds = 81.24 MB/sec
sh-4.2# The result is a bit perplexing since the read speed seems out of sync with expected three times the lowest speed of the combo.
It also demonstrates the advantage of using sata ports.
Wish I had four sata ports!!!
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#45 2012-07-02 16:47:24
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Performed a thruput test with iozone on a three device raid0 using maxell devices:
sh-4.2# iozone -i 0 -t 2
Iozone: Performance Test of File I/O
Version $Revision: 3.373 $
Compiled for 64 bit mode.
Build: linux-AMD64
Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
Al Slater, Scott Rhine, Mike Wisner, Ken Goss
Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer.
Run began: Mon Jul 2 09:52:36 2012
Command line used: iozone -i 0 -t 2
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
Throughput test with 2 processes
Each process writes a 512 Kbyte file in 4 Kbyte records
Children see throughput for 2 initial writers = 241157.19 KB/sec
Parent sees throughput for 2 initial writers = 18227.00 KB/sec
Min throughput per process = 30119.00 KB/sec
Max throughput per process = 211038.19 KB/sec
Avg throughput per process = 120578.59 KB/sec
Min xfer = 104.00 KB
Children see throughput for 2 rewriters = 213359.66 KB/sec
Parent sees throughput for 2 rewriters = 21395.65 KB/sec
Min throughput per process = 88779.79 KB/sec
Max throughput per process = 124579.87 KB/sec
Avg throughput per process = 106679.83 KB/sec
Min xfer = 360.00 KB
iozone test complete.
sh-4.2# Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#46 2012-07-02 16:56:28
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Another iozone result using 2GB file size:
sh-4.2# iozone -a -g 2g -i 0
Iozone: Performance Test of File I/O
Version $Revision: 3.373 $
Compiled for 64 bit mode.
Build: linux-AMD64
Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
Al Slater, Scott Rhine, Mike Wisner, Ken Goss
Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer.
Run began: Mon Jul 2 10:00:15 2012
Auto Mode
Using maximum file size of 2097152 kilobytes.
Command line used: iozone -a -g 2g -i 0
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
random random bkwd record stride
KB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread
64 4 180788 688639
64 8 205728 727850
64 16 218452 852702
64 32 218452 942521
64 64 225423 831569
128 4 211883 776042
128 8 228086 901083
128 16 239695 992724
128 32 234871 1032829
128 64 244832 1030846
128 128 251956 913347
256 4 230624 873809
256 8 245943 962301
256 16 264741 996229
256 32 271709 1103757
256 64 279198 1147398
256 128 274979 1148625
256 256 279488 1168627
512 4 233579 904658
512 8 260023 1002183
512 16 274095 1060063
512 32 269047 1125040
512 64 286033 1068503
512 128 290090 1113374
512 256 290247 1051242
512 512 290758 1137555
1024 4 241673 861957
1024 8 263789 992182
1024 16 272924 984676
1024 32 285478 1134192
1024 64 289578 1120288
1024 128 295170 1109579
1024 256 293496 1083546
1024 512 294583 1119120
1024 1024 291999 1034232
2048 4 243901 811764
2048 8 213782 924662
2048 16 279776 937274
2048 32 277732 898640
2048 64 279440 966050
2048 128 291898 1000015
2048 256 285040 1012390
2048 512 291077 982739
2048 1024 283423 869972
2048 2048 268378 740715
4096 4 233137 760783
4096 8 256416 819501
4096 16 270558 900988
4096 32 275916 943336
4096 64 289063 954129
4096 128 268432 952120
4096 256 287843 965822
4096 512 287035 949436
4096 1024 265388 836784
4096 2048 266702 738702
4096 4096 255106 744432
8192 4 234297 757894
8192 8 254181 824393
8192 16 270647 889876
8192 32 277095 904089
8192 64 264377 927518
8192 128 280616 649844
8192 256 285108 948907
8192 512 285207 943565
8192 1024 269926 829408
8192 2048 260285 743849
8192 4096 294050 727917
8192 8192 252341 726117
16384 4 229336 656491
16384 8 250535 822369
16384 16 260291 849964
16384 32 268458 901052
16384 64 276592 900556
16384 128 283205 931602
16384 256 277506 932284
16384 512 284104 937307
16384 1024 272674 824559
16384 2048 264296 697519
16384 4096 258492 742032
16384 8192 265921 756732
16384 16384 262918 743340
32768 64 272295 899429
32768 128 279214 900537
32768 256 280605 927902
32768 512 280953 915839
32768 1024 264462 827766
32768 2048 262539 734626
32768 4096 260661 734575
32768 8192 253430 735054
32768 16384 258082 748725
65536 64 269732 903556
65536 128 280242 911094
65536 256 275570 937929
65536 512 279410 904358
65536 1024 260332 844100
65536 2048 246226 736823
65536 4096 253900 724667
65536 8192 261142 737337
65536 16384 258722 717659
131072 64 289211 911774
131072 128 274552 884164
131072 256 288292 918700
131072 512 277153 907863
131072 1024 293685 839215
131072 2048 249912 736508
131072 4096 271832 712065
131072 8192^C
iozone: interrupted
exiting iozone
sh-4.2# Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#47 2012-07-02 17:22:38
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Performed another iozone test involving the CPU utilization which outputs excel data for which I have no program to plot same:
sh-4.2# iozone -a -+u -b output.xls
Iozone: Performance Test of File I/O
Version $Revision: 3.373 $
Compiled for 64 bit mode.
Build: linux-AMD64
Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
Al Slater, Scott Rhine, Mike Wisner, Ken Goss
Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer.
Run began: Mon Jul 2 10:22:46 2012
Auto Mode
CPU utilization Resolution = 0.003 seconds.
CPU utilization Excel chart enabled
Command line used: iozone -a -+u -b output.xls
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
random random bkwd record stride
KB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread
64 4 177324 780776 1947927 2561267 1933893 852702 1304314 942521 1232453 681644 809014 1330167 2358717
64 8 195680 877797 2133730 2892445 2298136 955947 1421755 1013707 1392258 901377 969761 1518251 2772930
64 16 213246 942521 2467108 3203069 2923952 1083249 1599680 1124074 1690338 969761 1163036 1722886 2892445
64 32 218452 789967 2662899 3057153 3022727 1066042 1553394 1124074 1828508 901377 1526887 1780008 3203069
64 64 222250 929467 3203069 3541098 3363612 942521 1232453 1105556 1690338 809014 1029254 1879725 3203069
128 4 211632 747933 1975201 2464907 2035099 895074 1436229 978253 1622919 864797 776042 1471662 2377579
128 8 233645 901083 2166499 2843510 2511022 1048974 1663139 1133103 2066432 1007629 766076 1885042 2714132
128 16 245729 969421 2453642 2985839 2985839 1175271 1878447 1306873 2132084 1076312 1121270 2035099 2969325
128 32 252430 1024942 2727923 3359523 3277486 1266785 1939522 1319723 2367096 1303699 1196221 2140585 3277486
128 64 245616 895074 2558895 3199360 3297617 1130717 2066432 1346196 1471662 1172704 1543594 1997245 3560017
128 128 252906 983630 3759450 3895854 3657016 1319723 2166499 1319723 2035099 1142750 1243315 2367096 3657016
256 4 226968 844929 1938842 2613746 2118645 972763 1662639 1090308 1881098 927393 900936 1952947 2463808
256 8 248505 987979 2247235 2783115 2563818 1117543 1752173 1168627 2135500 1032636 891956 1924938 2350543
256 16 260692 1057034 2533571 3245838 3009318 1260547 2034350 1391207 2509882 955451 1112909 2205688 3159869
256 32 270001 1099237 2692393 3410808 2872459 1327564 2242541 1471270 2842047 1286217 1168627 2325094 3368013
256 64 201762 1076103 2880164 3667079 3605511 1391207 2371308 1514860 2783115 1430119 1407621 2247235 3410808
256 128 279780 1157291 3009318 3557725 3454704 1368162 2081678 833776 2665657 1368162 1924938 2533571 3654598
256 256 280072 1158540 3705040 3823789 3810220 1422540 2509882 1398455 2509882 1405778 1340826 2588541 3717869
512 4 236486 891884 1931527 2497638 1983258 991998 1667552 1091863 1968713 918982 891884 1931527 2405320
512 8 258739 964378 2265742 2826358 2532990 1091863 2007358 1251589 2347475 1073309 1013534 2178404 2638816
512 16 272911 1069035 2532990 3158966 3029721 1296159 2287463 1454140 2739816 1164070 1086890 2413429 3104171
512 32 281792 1113374 2708713 3437042 3393590 1391032 2474613 1537424 3086326 1267097 1204552 2438090 3325278
512 64 282868 1168504 2845081 3659616 3527371 1433753 2584820 1575781 3239989 1326585 1233614 2609952 3481620
512 128 287488 1193175 2796910 3736016 3634839 1459080 2597325 1594501 3201349 1533034 1484293 2483197 3684733
512 256 288919 1026126 3220553 3762197 3628697 1417662 2597325 1480200 2875558 1388334 1861217 2327124 3610395
512 512 285729 1122687 3736016 3849877 3481620 1454140 2198475 1395552 2391924 1380303 1261144 2575520 3415178
1024 4 241510 885778 1972153 2260740 1973059 976172 1612342 1109579 1868347 897438 829175 1882266 2206161
1024 8 265435 957030 2222141 2625597 2338280 1079190 1988589 1273788 1925298 987392 930894 2110750 2419964
1024 16 277438 1018052 2365323 2844715 2611230 1183902 2098375 1426043 2522288 1094034 985580 2364021 2774874
1024 32 286430 1026078 2565989 2592318 3103735 953630 2426801 1551758 2908281 1206178 1115632 2503178 3029305
1024 64 290656 1130312 2744728 3140041 3249318 1372279 2572135 1643185 3447541 1278338 1210257 2586074 3239514
1024 128 296822 1056623 2760606 2813041 3179559 1279861 2553783 1649496 3469823 1333093 1245710 2586074 3191372
1024 256 299680 1163693 2884840 3355952 3261656 1361836 2586074 1584972 3294177 1247519 1333507 2398343 3048658
1024 512 294260 1104727 3066069 3369115 3074849 1319577 2619192 1458489 2798378 1289467 1741104 2271501 3003881
1024 1024 287735 977950 2461573 2534194 2382379 1115342 1973059 1103592 2102484 490415 1128826 2174880 2275110
2048 4 37465 846648 1978880 1992189 1740330 859783 1624172 1109408 1647536 852954 827482 1853353 1906837
2048 8 267326 893964 2162183 2288326 2126850 1026545 1920909 1269610 2027934 977149 882847 2050198 2162727
2048 16 284333 1003988 2285891 2553635 2540795 1138522 2226060 1465907 2364545 787647 1013345 2348384 2449504
2048 32 291443 1045410 2519185 2719361 2704804 1198405 2417789 1577928 2662880 970196 1031724 2443928 2619037
2048 64 295788 1052971 2601586 2800938 2913021 1211077 2406275 1654517 2753355 1056208 1076728 2464968 2734946
2048 128 298108 1045919 2673655 2892423 2913021 1224892 2544558 1531781 3429381 831165 1058942 2562778 2778290
2048 256 296810 1033337 2687877 2929912 2937929 1200414 2550602 1645012 3567536 1072829 1130283 2395538 2809182
2048 512 298585 989417 2801852 2998435 2805512 946360 2494314 1581414 2083516 1075515 995610 2491420 2756005
2048 1024 286313 898640 1930406 2142232 1880538 997112 2026020 1059464 2094183 1045919 1332432 1939560 1982533
2048 2048 274458 778087 1304508 1300361 1350023 832535 1305103 852615 1318727 845565 851263 1359854 1351084
4096 4 244102 801568 1943906 1940174 1457674 779457 1683507 684844 1222696 791195 783760 1916795 1962560
4096 8 265782 875237 2128907 2173070 2082457 914708 1968180 1329422 2027648 739370 865623 2126799 2181070
4096 16 280104 939879 2391139 2500779 1909764 1015850 2196407 1202919 2195284 855664 917737 2347359 2388479
4096 32 289736 969967 2477696 2612190 2602298 1048332 2464545 1552097 2493158 955881 952383 2500415 2603876
4096 64 292111 985095 2547125 2730514 2608620 1083848 2542602 1659601 2658267 955190 970569 2585847 2692851
4096 128 271959 993181 2671911 2738348 2645985 1094621 2531363 852099 2622157 983910 994216 2571141 2778652
4096 256 295889 963980 2719708 2815077 2820623 1122441 2632605 1666362 3605576 1051927 1005152 2595614 2809093
4096 512 279899 975696 2756362 2866270 2155890 1069410 2550150 1080168 3589754 950592 933241 2532855 2748864
4096 1024 281163 820832 1786256 1748977 1691130 892377 1735549 1065827 1961663 840017 839155 1750403 1767875
4096 2048 271113 741348 1185161 1132429 1192731 798588 1078134 835442 1150555 787857 1034632 1157376 1166967
4096 4096 262108 728306 1196886 1184099 1119442 780200 1177283 805855 1174948 700652 807749 1151480 1167681
8192 4 234613 755228 1852096 1944435 1633548 751692 1596582 1160848 1593768 735033 705715 1510596 1810808
8192 8 255696 773122 2026668 2089778 1907305 755594 1742220 778853 1705637 757894 758797 2014311 1892701
8192 16 250045 865881 2247378 2091305 1786238 919501 2141219 1518138 2204553 873719 854490 2268597 2319283
8192 32 277910 902996 2375895 2441743 2388281 992000 2288238 1660628 2184510 912977 896493 2359417 2424513
8192 64 282601 914678 2433098 2546522 2509877 1007859 2382154 1681761 1939386 929123 911548 2446960 2511345
8192 128 281589 850850 2023684 2545768 2088762 936875 2465218 1720670 2394606 945304 931238 2497472 2547278
8192 256 285833 924200 2569566 2606603 2599700 1033443 2488428 1722827 2485368 946606 922215 2483931 2574379
8192 512 285783 918886 2502201 2580953 2622319 1023348 2452724 1747092 3693481 793402 862404 2449751 2240053
8192 1024 275131 820828 1727504 1703101 1657984 881882 1689119 795423 1950949 700350 722666 1698890 1697128
8192 2048 265776 729865 1101245 1082305 1123866 800221 1104218 701551 1122837 770349 769073 1125117 1114859
8192 4096 265248 722848 1120202 1087202 1133992 739813 1044502 596649 1120786 811810 1054859 1135415 1126666
8192 8192 262597 731559 1128072 1140655 1128702 794411 1111828 697067 1130894 792122 796271 1123902 1125891
16384 4 229262 754853 1929790 1988364 1536701 741527 1658136 1173231 995201 699756 729051 1741152 1744822
16384 8 255385 818665 2152676 2202984 1991476 842018 1937298 1327712 1991937 816341 784900 2109395 2151800
16384 16 265022 871722 2350283 2444245 2193281 905289 2251487 1490667 2283812 867289 864550 2350042 2390840
16384 32 271798 806653 2444332 2576870 2454547 966208 2350042 1661021 2483195^C
iozone: interrupted
Excel output is below:
"Writer report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 177324 195680 213246 218452 222250
"128" 211632 233645 245729 252430 245616 252906
"256" 226968 248505 260692 270001 201762 279780 280072
"512" 236486 258739 272911 281792 282868 287488 288919 285729
"1024" 241510 265435 277438 286430 290656 296822 299680 294260 287735
"2048" 37465 267326 284333 291443 295788 298108 296810 298585 286313 274458
"4096" 244102 265782 280104 289736 292111 271959 295889 279899 281163 271113 262108
"8192" 234613 255696 250045 277910 282601 281589 285833 285783 275131 265776 265248 262597
"16384" 229262 255385 265022 271798
"Re-writer report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 780776 877797 942521 789967 929467
"128" 747933 901083 969421 1024942 895074 983630
"256" 844929 987979 1057034 1099237 1076103 1157291 1158540
"512" 891884 964378 1069035 1113374 1168504 1193175 1026126 1122687
"1024" 885778 957030 1018052 1026078 1130312 1056623 1163693 1104727 977950
"2048" 846648 893964 1003988 1045410 1052971 1045919 1033337 989417 898640 778087
"4096" 801568 875237 939879 969967 985095 993181 963980 975696 820832 741348 728306
"8192" 755228 773122 865881 902996 914678 850850 924200 918886 820828 729865 722848 731559
"16384" 754853 818665 871722 806653
"Reader report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 1947927 2133730 2467108 2662899 3203069
"128" 1975201 2166499 2453642 2727923 2558895 3759450
"256" 1938842 2247235 2533571 2692393 2880164 3009318 3705040
"512" 1931527 2265742 2532990 2708713 2845081 2796910 3220553 3736016
"1024" 1972153 2222141 2365323 2565989 2744728 2760606 2884840 3066069 2461573
"2048" 1978880 2162183 2285891 2519185 2601586 2673655 2687877 2801852 1930406 1304508
"4096" 1943906 2128907 2391139 2477696 2547125 2671911 2719708 2756362 1786256 1185161 1196886
"8192" 1852096 2026668 2247378 2375895 2433098 2023684 2569566 2502201 1727504 1101245 1120202 1128072
"16384" 1929790 2152676 2350283 2444332
"Re-Reader report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 2561267 2892445 3203069 3057153 3541098
"128" 2464907 2843510 2985839 3359523 3199360 3895854
"256" 2613746 2783115 3245838 3410808 3667079 3557725 3823789
"512" 2497638 2826358 3158966 3437042 3659616 3736016 3762197 3849877
"1024" 2260740 2625597 2844715 2592318 3140041 2813041 3355952 3369115 2534194
"2048" 1992189 2288326 2553635 2719361 2800938 2892423 2929912 2998435 2142232 1300361
"4096" 1940174 2173070 2500779 2612190 2730514 2738348 2815077 2866270 1748977 1132429 1184099
"8192" 1944435 2089778 2091305 2441743 2546522 2545768 2606603 2580953 1703101 1082305 1087202 1140655
"16384" 1988364 2202984 2444245 2576870
"Random read report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 1933893 2298136 2923952 3022727 3363612
"128" 2035099 2511022 2985839 3277486 3297617 3657016
"256" 2118645 2563818 3009318 2872459 3605511 3454704 3810220
"512" 1983258 2532990 3029721 3393590 3527371 3634839 3628697 3481620
"1024" 1973059 2338280 2611230 3103735 3249318 3179559 3261656 3074849 2382379
"2048" 1740330 2126850 2540795 2704804 2913021 2913021 2937929 2805512 1880538 1350023
"4096" 1457674 2082457 1909764 2602298 2608620 2645985 2820623 2155890 1691130 1192731 1119442
"8192" 1633548 1907305 1786238 2388281 2509877 2088762 2599700 2622319 1657984 1123866 1133992 1128702
"16384" 1536701 1991476 2193281 2454547
"Random write report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 852702 955947 1083249 1066042 942521
"128" 895074 1048974 1175271 1266785 1130717 1319723
"256" 972763 1117543 1260547 1327564 1391207 1368162 1422540
"512" 991998 1091863 1296159 1391032 1433753 1459080 1417662 1454140
"1024" 976172 1079190 1183902 953630 1372279 1279861 1361836 1319577 1115342
"2048" 859783 1026545 1138522 1198405 1211077 1224892 1200414 946360 997112 832535
"4096" 779457 914708 1015850 1048332 1083848 1094621 1122441 1069410 892377 798588 780200
"8192" 751692 755594 919501 992000 1007859 936875 1033443 1023348 881882 800221 739813 794411
"16384" 741527 842018 905289 966208
"Backward read report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 1304314 1421755 1599680 1553394 1232453
"128" 1436229 1663139 1878447 1939522 2066432 2166499
"256" 1662639 1752173 2034350 2242541 2371308 2081678 2509882
"512" 1667552 2007358 2287463 2474613 2584820 2597325 2597325 2198475
"1024" 1612342 1988589 2098375 2426801 2572135 2553783 2586074 2619192 1973059
"2048" 1624172 1920909 2226060 2417789 2406275 2544558 2550602 2494314 2026020 1305103
"4096" 1683507 1968180 2196407 2464545 2542602 2531363 2632605 2550150 1735549 1078134 1177283
"8192" 1596582 1742220 2141219 2288238 2382154 2465218 2488428 2452724 1689119 1104218 1044502 1111828
"16384" 1658136 1937298 2251487 2350042
"Record rewrite report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 942521 1013707 1124074 1124074 1105556
"128" 978253 1133103 1306873 1319723 1346196 1319723
"256" 1090308 1168627 1391207 1471270 1514860 833776 1398455
"512" 1091863 1251589 1454140 1537424 1575781 1594501 1480200 1395552
"1024" 1109579 1273788 1426043 1551758 1643185 1649496 1584972 1458489 1103592
"2048" 1109408 1269610 1465907 1577928 1654517 1531781 1645012 1581414 1059464 852615
"4096" 684844 1329422 1202919 1552097 1659601 852099 1666362 1080168 1065827 835442 805855
"8192" 1160848 778853 1518138 1660628 1681761 1720670 1722827 1747092 795423 701551 596649 697067
"16384" 1173231 1327712 1490667 1661021
"Stride read report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 1232453 1392258 1690338 1828508 1690338
"128" 1622919 2066432 2132084 2367096 1471662 2035099
"256" 1881098 2135500 2509882 2842047 2783115 2665657 2509882
"512" 1968713 2347475 2739816 3086326 3239989 3201349 2875558 2391924
"1024" 1868347 1925298 2522288 2908281 3447541 3469823 3294177 2798378 2102484
"2048" 1647536 2027934 2364545 2662880 2753355 3429381 3567536 2083516 2094183 1318727
"4096" 1222696 2027648 2195284 2493158 2658267 2622157 3605576 3589754 1961663 1150555 1174948
"8192" 1593768 1705637 2204553 2184510 1939386 2394606 2485368 3693481 1950949 1122837 1120786 1130894
"16384" 995201 1991937 2283812 2483195
"Fwrite report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 681644 901377 969761 901377 809014
"128" 864797 1007629 1076312 1303699 1172704 1142750
"256" 927393 1032636 955451 1286217 1430119 1368162 1405778
"512" 918982 1073309 1164070 1267097 1326585 1533034 1388334 1380303
"1024" 897438 987392 1094034 1206178 1278338 1333093 1247519 1289467 490415
"2048" 852954 977149 787647 970196 1056208 831165 1072829 1075515 1045919 845565
"4096" 791195 739370 855664 955881 955190 983910 1051927 950592 840017 787857 700652
"8192" 735033 757894 873719 912977 929123 945304 946606 793402 700350 770349 811810 792122
"16384" 699756 816341 867289 0
"Re-Fwrite report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 809014 969761 1163036 1526887 1029254
"128" 776042 766076 1121270 1196221 1543594 1243315
"256" 900936 891956 1112909 1168627 1407621 1924938 1340826
"512" 891884 1013534 1086890 1204552 1233614 1484293 1861217 1261144
"1024" 829175 930894 985580 1115632 1210257 1245710 1333507 1741104 1128826
"2048" 827482 882847 1013345 1031724 1076728 1058942 1130283 995610 1332432 851263
"4096" 783760 865623 917737 952383 970569 994216 1005152 933241 839155 1034632 807749
"8192" 705715 758797 854490 896493 911548 931238 922215 862404 722666 769073 1054859 796271
"16384" 729051 784900 864550 0
"Fread report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 1330167 1518251 1722886 1780008 1879725
"128" 1471662 1885042 2035099 2140585 1997245 2367096
"256" 1952947 1924938 2205688 2325094 2247235 2533571 2588541
"512" 1931527 2178404 2413429 2438090 2609952 2483197 2327124 2575520
"1024" 1882266 2110750 2364021 2503178 2586074 2586074 2398343 2271501 2174880
"2048" 1853353 2050198 2348384 2443928 2464968 2562778 2395538 2491420 1939560 1359854
"4096" 1916795 2126799 2347359 2500415 2585847 2571141 2595614 2532855 1750403 1157376 1151480
"8192" 1510596 2014311 2268597 2359417 2446960 2497472 2483931 2449751 1698890 1125117 1135415 1123902
"16384" 1741152 2109395 2350042 0
"Re-Fread report"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 2358717 2772930 2892445 3203069 3203069
"128" 2377579 2714132 2969325 3277486 3560017 3657016
"256" 2463808 2350543 3159869 3368013 3410808 3654598 3717869
"512" 2405320 2638816 3104171 3325278 3481620 3684733 3610395 3415178
"1024" 2206161 2419964 2774874 3029305 3239514 3191372 3048658 3003881 2275110
"2048" 1906837 2162727 2449504 2619037 2734946 2778290 2809182 2756005 1982533 1351084
"4096" 1962560 2181070 2388479 2603876 2692851 2778652 2809093 2748864 1767875 1166967 1167681
"8192" 1810808 1892701 2319283 2424513 2511345 2547278 2574379 2240053 1697128 1114859 1126666 1125891
"16384" 1744822 2151800 2390840 0
"Writer CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 0.00 16.47 0.00 0.00 0.00
"128" 0.00 0.00 15.17 0.00 0.00 0.00
"256" 16.48 0.00 0.00 0.00 11.84 0.00 16.23
"512" 14.42 11.35 0.00 10.90 0.00 0.00 0.00 0.00
"1024" 17.52 0.00 15.69 21.95 21.49 20.49 21.64 0.00 14.08
"2048" 12.18 1.31 12.45 12.56 8.66 12.89 13.48 14.31 1.31 14.47
"4096" 21.11 1.35 17.66 16.77 19.57 15.82 15.86 18.65 2.11 16.93 22.02
"8192" 4.68 20.38 4.30 22.55 20.95 21.52 20.84 4.31 19.79 21.62 23.43 22.09
"16384" 4.84 25.79 27.04 2.42
"Re-writer CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 0.00 0.00 0.00 0.00 0.00
"128" 0.00 0.00 0.00 19.45 0.00 0.00
"256" 0.00 13.34 0.00 15.10 0.00 24.59 0.00
"512" 0.00 0.00 13.51 0.00 16.56 0.00 0.00 0.00
"1024" 0.00 14.83 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"2048" 6.99 5.36 0.00 5.07 10.29 5.15 0.00 6.01 5.49 12.23
"4096" 9.64 7.36 9.06 9.66 0.87 8.09 13.46 0.87 14.39 12.15 1.30
"8192" 13.44 13.14 9.54 2.04 12.72 12.88 12.38 1.60 2.04 12.83 2.45 14.78
"16384" 14.89 3.62 3.28 0.84
"Reader CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 0.00 0.00 0.00 0.00 0.00
"128" 0.00 0.00 0.00 0.00 22.69 0.00
"256" 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"512" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"1024" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"2048" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 43.32 0.00
"4096" 49.83 40.37 46.64 44.24 46.35 42.54 0.00 45.78 38.33 65.13 66.91
"8192" 33.95 20.31 39.72 35.32 37.55 0.00 0.00 37.00 42.69 81.05 73.95 74.50
"16384" 76.38 31.40 53.75 57.57
"Re-Reader CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 0.00 0.00 0.00 0.00 0.00
"128" 0.00 0.00 0.00 0.00 0.00 100.00
"256" 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"512" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"1024" 0.00 0.00 0.00 100.00 100.00 0.00 100.00 0.00 0.00
"2048" 100.00 0.00 0.00 0.00 0.00 0.00 100.00 100.00 0.00 60.57
"4096" 100.00 0.00 0.00 0.00 0.00 0.00 100.00 100.00 90.66 92.97 65.81
"8192" 70.30 100.00 0.00 85.75 88.60 86.37 87.78 83.96 100.00 89.34 94.49 100.00
"16384" 76.17 83.78 92.30 96.73
"Random read CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 0.00 0.00 0.00 0.00 0.00
"128" 0.00 0.00 0.00 0.00 0.00 0.00
"256" 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"512" 100.00 0.00 0.00 100.00 0.00 0.00 0.00 0.00
"1024" 0.00 0.00 100.00 0.00 0.00 0.00 0.00 0.00 0.00
"2048" 0.00 100.00 100.00 100.00 0.00 0.00 0.00 0.00 0.00 100.00
"4096" 100.00 100.00 100.00 100.00 100.00 100.00 0.00 0.00 100.00 73.22 0.00
"8192" 100.00 72.17 68.31 89.50 93.62 78.20 96.08 96.05 61.11 79.18 74.07 100.00
"16384" 100.00 78.17 84.89 95.32
"Random write CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 0.00 0.00 0.00 0.00 0.00
"128" 0.00 0.00 0.00 0.00 0.00 0.00
"256" 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"512" 0.00 15.43 0.00 0.00 0.00 0.00 15.11 0.00
"1024" 0.00 14.42 0.00 0.00 0.00 0.00 0.00 11.33 9.38
"2048" 0.00 0.00 5.13 0.00 0.00 5.51 5.75 6.54 6.38 11.94
"4096" 8.93 9.57 9.10 9.09 8.19 8.43 8.94 8.99 8.85 13.21 13.49
"8192" 12.94 13.13 10.43 9.19 10.27 11.13 10.24 10.48 12.70 2.01 11.72 12.10
"16384" 15.52 3.30 3.30 0.84
"Backward read CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 0.00 0.00 0.00 0.00 0.00
"128" 0.00 0.00 0.00 0.00 0.00 0.00
"256" 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"512" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"1024" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"2048" 53.58 0.00 0.00 0.00 60.85 0.00 0.00 0.00 0.00 46.49
"4096" 53.25 44.25 52.25 0.00 0.00 0.00 29.15 46.56 32.41 33.26 32.35
"8192" 34.61 18.25 63.65 40.61 37.56 37.73 0.00 38.01 23.31 60.69 76.75 69.91
"16384" 62.80 68.86 52.58 56.25
"Record rewrite CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 0.00 0.00 0.00 0.00 100.00
"128" 0.00 0.00 0.00 0.00 0.00 0.00
"256" 100.00 0.00 0.00 0.00 0.00 0.00 0.00
"512" 0.00 0.00 100.00 0.00 100.00 0.00 0.00 0.00
"1024" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"2048" 100.00 0.00 0.00 100.00 0.00 100.00 0.00 0.00 0.00 0.00
"4096" 100.00 100.00 0.00 0.00 0.00 69.27 100.00 87.71 86.64 0.00 100.00
"8192" 94.43 63.34 0.00 67.55 100.00 100.00 0.00 100.00 64.66 100.00 72.80 85.05
"16384" 95.46 100.00 100.00 100.00
"Stride read CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 0.00 0.00 0.00 0.00 0.00
"128" 0.00 0.00 0.00 0.00 0.00 0.00
"256" 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"512" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"1024" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"2048" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"4096" 0.00 100.00 100.00 0.00 0.00 0.00 0.00 100.00 100.00 93.73 95.67
"8192" 100.00 100.00 100.00 100.00 78.92 97.46 100.00 100.00 0.00 91.40 91.24 92.07
"16384" 60.74 100.00 92.93 100.00
"Fwrite CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 0.00 0.00 0.00 0.00 0.00
"128" 30.33 0.00 0.00 0.00 0.00 0.00
"256" 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"512" 18.27 0.00 0.00 0.00 0.00 16.84 0.00 15.65
"1024" 0.00 0.00 0.00 15.63 0.00 0.00 14.92 0.00 0.00
"2048" 0.00 10.91 5.73 5.52 10.44 0.00 5.42 12.43 13.01 12.14
"4096" 13.84 12.77 9.17 9.64 0.88 13.15 14.37 9.06 13.18 17.25 13.78
"8192" 13.41 10.46 9.86 1.63 2.03 10.80 12.67 9.90 15.44 14.32 2.78 2.42
"16384" 15.02 13.17 5.38 0.00
"Re-Fwrite CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 30.93 0.00 24.93 0.00 0.00
"128" 0.00 22.25 0.00 0.00 0.00 0.00
"256" 0.00 14.14 0.00 18.93 0.00 24.60 0.00
"512" 0.00 14.69 0.00 0.00 0.00 0.00 0.00 0.00
"1024" 0.00 14.68 0.00 0.00 15.25 15.12 0.00 0.00 11.75
"2048" 12.72 5.20 4.73 0.00 5.58 5.47 6.09 5.74 5.75 0.00
"4096" 8.87 9.37 8.96 9.05 13.25 8.39 7.93 8.99 13.93 13.57 12.98
"8192" 2.02 12.34 13.34 12.58 10.27 2.02 10.35 12.35 14.66 15.38 14.82 12.47
"16384" 3.69 14.97 13.87 0.00
"Fread CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 0.00 0.00 0.00 0.00 0.00
"128" 0.00 0.00 0.00 0.00 0.00 0.00
"256" 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"512" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"1024" 100.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00
"2048" 0.00 0.00 0.00 0.00 0.00 100.00 0.00 0.00 0.00 100.00
"4096" 100.00 0.00 100.00 100.00 0.00 0.00 0.00 100.00 0.00 74.63 100.00
"8192" 58.64 100.00 86.19 89.14 92.17 93.31 91.97 87.94 61.29 80.40 76.18 100.00
"16384" 100.00 83.08 91.77 0.00
"Re-Fread CPU utilization report (Zero values should be ignored)"
"4" "8" "16" "32" "64" "128" "256" "512" "1024" "2048" "4096" "8192" "16384"
"64" 0.00 0.00 0.00 0.00 0.00
"128" 0.00 0.00 43.94 0.00 0.00 0.00
"256" 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"512" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"1024" 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"2048" 0.00 68.64 0.00 54.64 0.00 0.00 0.00 84.70 0.00 53.20
"4096" 0.00 0.00 0.00 0.00 53.79 22.66 54.58 48.96 54.70 34.83 36.29
"8192" 65.86 40.06 25.49 38.53 39.08 39.80 39.87 42.17 55.83 55.08 76.67 67.19
"16384" 48.52 50.24 1.40 0.00
exiting iozone
sh-4.2# Perhaps there is some graphing method for .xls?
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#48 2012-07-06 22:02:13
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Another test for throughput:
sh-4.2# iozone -i 0 -t 2
Iozone: Performance Test of File I/O
Version $Revision: 3.373 $
Compiled for 64 bit mode.
Build: linux-AMD64
Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
Al Slater, Scott Rhine, Mike Wisner, Ken Goss
Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer.
Run began: Fri Jul 6 15:08:38 2012
Command line used: iozone -i 0 -t 2
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
Throughput test with 2 processes
Each process writes a 512 Kbyte file in 4 Kbyte records
Children see throughput for 2 initial writers = 307308.16 KB/sec
Parent sees throughput for 2 initial writers = 24667.13 KB/sec
Min throughput per process = 84965.38 KB/sec
Max throughput per process = 222342.78 KB/sec
Avg throughput per process = 153654.08 KB/sec
Min xfer = 340.00 KB
Children see throughput for 2 rewriters = 231057.41 KB/sec
Parent sees throughput for 2 rewriters = 25333.49 KB/sec
Min throughput per process = 108594.63 KB/sec
Max throughput per process = 122462.78 KB/sec
Avg throughput per process = 115528.71 KB/sec
Min xfer = 460.00 KB
iozone test complete.
sh-4.2# Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#49 2012-07-06 22:11:28
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
This data is provided by iozone showing thruput for all tests made in iozone on the three device raid0 maxcell CF cards:
sh-4.2# iozone -t 2
Iozone: Performance Test of File I/O
Version $Revision: 3.373 $
Compiled for 64 bit mode.
Build: linux-AMD64
Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
Al Slater, Scott Rhine, Mike Wisner, Ken Goss
Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer.
Run began: Fri Jul 6 15:17:48 2012
Command line used: iozone -t 2
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
Throughput test with 2 processes
Each process writes a 512 Kbyte file in 4 Kbyte records
Children see throughput for 2 initial writers = 236355.89 KB/sec
Parent sees throughput for 2 initial writers = 18899.94 KB/sec
Min throughput per process = 236355.89 KB/sec
Max throughput per process = 236355.89 KB/sec
Avg throughput per process = 118177.95 KB/sec
Min xfer = 512.00 KB
Children see throughput for 2 rewriters = 760762.12 KB/sec
Parent sees throughput for 2 rewriters = 714.14 KB/sec
Min throughput per process = 0.00 KB/sec
Max throughput per process = 760762.12 KB/sec
Avg throughput per process = 380381.06 KB/sec
Min xfer = 0.00 KB
Children see throughput for 2 readers = 1514653.00 KB/sec
Parent sees throughput for 2 readers = 49883.70 KB/sec
Min throughput per process = 0.00 KB/sec
Max throughput per process = 1514653.00 KB/sec
Avg throughput per process = 757326.50 KB/sec
Min xfer = 0.00 KB
Children see throughput for 2 re-readers = 1700565.38 KB/sec
Parent sees throughput for 2 re-readers = 60706.58 KB/sec
Min throughput per process = 0.00 KB/sec
Max throughput per process = 1700565.38 KB/sec
Avg throughput per process = 850282.69 KB/sec
Min xfer = 0.00 KB
Children see throughput for 2 reverse readers = 1383861.25 KB/sec
Parent sees throughput for 2 reverse readers = 183642.84 KB/sec
Min throughput per process = 0.00 KB/sec
Max throughput per process = 1383861.25 KB/sec
Avg throughput per process = 691930.62 KB/sec
Min xfer = 0.00 KB
Children see throughput for 2 stride readers = 1580479.37 KB/sec
Parent sees throughput for 2 stride readers = 351031.97 KB/sec
Min throughput per process = 38639.25 KB/sec
Max throughput per process = 1541840.12 KB/sec
Avg throughput per process = 790239.69 KB/sec
Min xfer = 16.00 KB
Children see throughput for 2 random readers = 2362458.12 KB/sec
Parent sees throughput for 2 random readers = 744853.23 KB/sec
Min throughput per process = 1082522.25 KB/sec
Max throughput per process = 1279935.88 KB/sec
Avg throughput per process = 1181229.06 KB/sec
Min xfer = 448.00 KB
Children see throughput for 2 mixed workload = 1992680.00 KB/sec
Parent sees throughput for 2 mixed workload = 32230.36 KB/sec
Min throughput per process = 577819.25 KB/sec
Max throughput per process = 1414860.75 KB/sec
Avg throughput per process = 996340.00 KB/sec
Min xfer = 204.00 KB
Children see throughput for 2 random writers = 1296789.44 KB/sec
Parent sees throughput for 2 random writers = 28043.21 KB/sec
Min throughput per process = 645509.19 KB/sec
Max throughput per process = 651280.25 KB/sec
Avg throughput per process = 648394.72 KB/sec
Min xfer = 504.00 KB
iozone test complete.
sh-4.2# Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline
#50 2012-07-09 13:36:59
- lilsirecho
- Veteran
- Registered: 2003-10-24
- Posts: 5,000
Re: Raid0 Btrfs grub boot experiments full size devices (See Edits)
Performed a transfer of a 1.1GB video file from /mnt to Desktop and it was timed at 19 seconds indicating about 57mb/s.
Prediction...This year will be a very odd year!
Hard work does not kill people but why risk it: Charlie Mccarthy
A man is not complete until he is married..then..he is finished.
When ALL is lost, what can be found? Even bytes get lonely for a little bit! X-ray confirms Iam spineless!
Offline