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From: Qingqing Zhou <zhouqq@cs.toronto.edu>
To: pgsql-performance@postgresql.org
Subject: Re: filesystem performance with lots of files
Date: Thu, 1 Dec 2005 13:03:20 -0500
Message-ID: <dmndri$c39$1@news.hub.org> (raw)
References: <Pine.LNX.4.62.0512010616200.2807@qnivq.ynat.uz>


"David Lang" <dlang@invendra.net> wrote
>
> a few weeks ago I did a series of tests to compare different filesystems. 
> the test was for a different purpose so the particulars are not what I 
> woud do for testing aimed at postgres, but I think the data is relavent) 
> and I saw major differences between different filesystems, I'll see aobut 
> re-running the tests to get a complete set of benchmarks in the next few 
> days. My tests had their times vary from 4 min to 80 min depending on the 
> filesystem in use (ext3 with hash_dir posted the worst case). what testing 
> have other people done with different filesystems?
>

That's good ... what benchmarks did you used?

Regards,
Qingqing 





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