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Re: very poor ext3 write performance on big filesystems?

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From: Tomasz Chmielewski <mangoo@...>
To: Theodore Tso <tytso@...>, Andi Kleen <andi@...>, Tomasz Chmielewski <mangoo@...>, LKML <linux-fsdevel@...>, LKML <linux-kernel@...>
Subject: Re: very poor ext3 write performance on big filesystems?
Date: Tuesday, February 19, 2008 - 10:54 am

Theodore Tso schrieb:

(...)


It doesn't work very reliable for me.

For some reason, it hangs for me sometimes (doesn't remove any files, rm 
-rf just stalls), or segfaults.


As most of the ideas here in this thread assume (re)creating a new 
filesystem from scratch - would perhaps playing with 
/proc/sys/vm/dirty_ratio and /proc/sys/vm/dirty_background_ratio help a bit?


-- 
Tomasz Chmielewski
http://wpkg.org
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Messages in current thread:
very poor ext3 write performance on big filesystems?, Tomasz Chmielewski, (Mon Feb 18, 8:57 am)
Re: very poor ext3 write performance on big filesystems?, Vladislav Bolkhovitin, (Tue Feb 19, 5:24 am)
Re: very poor ext3 write performance on big filesystems?, Andi Kleen, (Mon Feb 18, 10:03 am)
Re: very poor ext3 write performance on big filesystems?, Theodore Tso, (Mon Feb 18, 10:16 am)
Re: very poor ext3 write performance on big filesystems?, Tomasz Chmielewski, (Wed Feb 27, 7:20 am)
Re: very poor ext3 write performance on big filesystems?, Andreas Dilger, (Wed Feb 27, 4:03 pm)
Re: very poor ext3 write performance on big filesystems?, Bill Davidsen, (Sat Mar 1, 4:04 pm)
Re: very poor ext3 write performance on big filesystems?, Tomasz Chmielewski, (Wed Feb 27, 4:25 pm)
Re: very poor ext3 write performance on big filesystems?, Mark Lord, (Tue Feb 19, 2:29 pm)
Re: very poor ext3 write performance on big filesystems?, Paulo Marques, (Tue Feb 19, 2:58 pm)
Re: very poor ext3 write performance on big filesystems?, Mark Lord, (Tue Feb 19, 6:33 pm)
Re: very poor ext3 write performance on big filesystems?, Mark Lord, (Tue Feb 19, 2:41 pm)
Re: very poor ext3 write performance on big filesystems?, Tomasz Chmielewski, (Tue Feb 19, 10:54 am)
Re: very poor ext3 write performance on big filesystems?, Chris Mason, (Tue Feb 19, 11:06 am)
Re: very poor ext3 write performance on big filesystems?, Tomasz Chmielewski, (Tue Feb 19, 11:21 am)
Re: very poor ext3 write performance on big filesystems?, Chris Mason, (Tue Feb 19, 12:04 pm)
Re: very poor ext3 write performance on big filesystems?, Tomasz Chmielewski, (Mon Feb 18, 11:02 am)
Re: very poor ext3 write performance on big filesystems?, Theodore Tso, (Mon Feb 18, 11:16 am)
Re: very poor ext3 write performance on big filesystems?, Tomasz Chmielewski, (Mon Feb 18, 12:16 pm)
Re: very poor ext3 write performance on big filesystems?, Theodore Tso, (Mon Feb 18, 2:45 pm)
Re: very poor ext3 write performance on big filesystems?, Andi Kleen, (Mon Feb 18, 11:57 am)
Re: very poor ext3 write performance on big filesystems?, Theodore Tso, (Mon Feb 18, 11:35 am)
Re: very poor ext3 write performance on big filesystems?, Jan Engelhardt, (Wed Feb 20, 6:57 am)
Re: very poor ext3 write performance on big filesystems?, David Rees, (Wed Feb 20, 1:44 pm)
Re: very poor ext3 write performance on big filesystems?, Jan Engelhardt, (Wed Feb 20, 2:08 pm)
Re: very poor ext3 write performance on big filesystems?, Andi Kleen, (Mon Feb 18, 11:18 am)
Re: very poor ext3 write performance on big filesystems?, Theodore Tso, (Mon Feb 18, 11:03 am)