Re: drive performance

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Author: der.hans
Date:  
To: Main PLUG discussion list
Subject: Re: drive performance
Am 30. Sep, 2010 schwätzte Eric Shubert so:

> Which elevator is being used?
> (cat /sys/block/sda/queue/scheduler)


noop anticipatory deadline [cfq]

> Using async i/o? Synchronous writes are very slow.


Hmm, not familiar with libaio. Looks like we have it installed.

> I presume ext3, since you referred to noatime. If you have directories with
> many files (e.g. Maildir), dir_index option can help.


Yeah, ext3. Mostly it's a few DB files and some log files. No mail
directories.

ciao,

der.hans
-- 
#  http://www.LuftHans.com/        http://www.LuftHans.com/Classes/
#  Practice socially conscious hedonism. Do whatever you want,
#  as long as it doesn't hurt anyone else. - der.hans
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