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I recently installed Arch Linux (with new install media) and on a new SSD (Crucial M4) seems to be sluggish suddenly (UI hangs for 1s and stuff). I read and followed some of the recommendations for Optimization on Arch Wiki, not sure if I did so correctly and perhaps I made a mistake somewhere. Below are some information that might help
[jiewmeng@JM ~]$ free
total used free shared buffers cached
Mem: 8136804 7966616 170188 0 30808 5959252
-/+ buffers/cache: 1976556 6160248
Swap: 0 0 0top - 13:03:42 up 2:14, 1 user, load average: 2.23, 2.52, 2.52
Tasks: 166 total, 1 running, 165 sleeping, 0 stopped, 0 zombie
%Cpu(s): 2.3 us, 1.1 sy, 0.0 ni, 67.7 id, 28.8 wa, 0.0 hi, 0.2 si, 0.0 st
KiB Mem: 8136804 total, 7968060 used, 168744 free, 30852 buffers
KiB Swap: 0 total, 0 used, 0 free, 5962340 cached# SSD
LABEL=linux / ext4 rw,relatime,discard,data=ordered 0 2
LABEL=boot /boot ext2 rw,relatime,discard 0 2
# HDD
LABEL=home /home ext4 rw,noatime,data=writeback 0 2
/dev/sdc2 /var/log ext4 rw,noatime,data=writeback 0 2
LABEL=var_tmp /var/tmp ext4 rw,noatime,data=writeback 0 2
/dev/sdb6 /labs ext4 defaults,noatime,data=writeback 0 2
/dev/sdc4 /archives ext4 defaults,noatime,data=writeback 0 2
# tmpfs
tmpfs /tmp tmpfs nodev,nosuid 0 0I haven't set up swap space does it matter? Free seems to tell me I have enough free RAM?
Oh I also noticed either noatime and/or data=writeback on / (linux partition) seems to cause Arch to boot in read only mode?
What other information might you need? Or what should I do?
I also changed the cache pressure to 50 and swappiness to 1
I notice windows takes about 5-6 sec (fresh install) to boot from after POST into Desktop. But Arch takes slighly more ~10s to get to LXDM login screen (did have packages installed already). This is unexpected!
Last edited by jiewmeng (2012-10-28 05:11:29)
Computer Science Student, Web Developer
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