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#1 2009-09-02 08:11:33
- zen3
- Member
- From: Greece
- Registered: 2009-09-02
- Posts: 30
Ext4 Performace Optimized Mount Options
Hello.
I use Debian testing, but I don't like our forums tbh. Too drafty.
Anyway, what ext4 mount options can you recommend me to take 100% of the speed that hdd can give me.
I already use noatime,commit=500,barrier=0. Anything else?
ffc
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#2 2009-09-02 09:55:38
- klixon
- Member
- From: Nederland
- Registered: 2007-01-17
- Posts: 525
Re: Ext4 Performace Optimized Mount Options
if you don't mind 0-length files after a hard reset, you can try adding those:
- data=writeback
- noauto_da_alloc
Stand back, intruder, or i'll blast you out of space! I am Klixon and I don't want any dealings with you human lifeforms. I'm a cyborg!
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#3 2009-09-02 10:52:38
- zen3
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- From: Greece
- Registered: 2009-09-02
- Posts: 30
Re: Ext4 Performace Optimized Mount Options
Shall you explain these modes a bit.
Or give a link.
ffc
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#4 2009-09-02 14:12:07
- klixon
- Member
- From: Nederland
- Registered: 2007-01-17
- Posts: 525
Re: Ext4 Performace Optimized Mount Options
Try google... I read about those on Gentoo's "off the wall" forum... I can link there, but it won't be of much use...
Stand back, intruder, or i'll blast you out of space! I am Klixon and I don't want any dealings with you human lifeforms. I'm a cyborg!
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#5 2009-09-02 15:04:21
- fijam
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- Registered: 2009-02-03
- Posts: 244
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Re: Ext4 Performace Optimized Mount Options
Use the Source!
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#6 2009-09-20 11:32:20
- slightlystoopid
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- Registered: 2009-09-10
- Posts: 61
Re: Ext4 Performace Optimized Mount Options
if you don't mind 0-length files after a hard reset, you can try adding those:
- data=writeback
- noauto_da_alloc
I'm curious. what kind of throughput gains could really come from noauto_da_alloc? or maybe, what was the throughput loss when auto_da_alloc was added?
Hello.
I use Debian testing, but I don't like our forums tbh. Too drafty.
Anyway, what ext4 mount options can you recommend me to take 100% of the speed that hdd can give me.
I already use noatime,commit=500,barrier=0. Anything else?
I don't think I could justify a journal commit only every 8 minutes. if the data's not important, you could try disabling the journal with
tune2fs -O ^has_journal /dev/sdxythe performance gains looked like http://git.kernel.org/?p=linux/kernel/g … 28125700bb
using data=writeback though, I found a noticeable throughput gain using these options:
in fstab:
noatime,journal_async_commit,data=writeback,barrier=0,nobh,commit=60,errors=remount-roin menu.lst:
rootflags=data=writeback,commit=60,nobh,barrier=0,journal_async_commitOne nation, under the corporatocracy, indivisible, with liberty for them.
Really, I can understand the Supreme Court's rulings. Afterall, corporations are people just like us, with love and feelings, hopes and dreams, and a limited lifespan to do it all in... oh wait, nevermind. I was thinking of same-sex marriage.
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