| From: | "Stephen J(dot) Butler" <stephen(dot)butler(at)gmail(dot)com> |
|---|---|
| To: | Greg Smith <greg(at)2ndquadrant(dot)com> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Linux filesystem performance and checkpoint sorting |
| Date: | 2011-02-04 23:55:13 |
| Message-ID: | AANLkTikhtKXkGZPsXj2sA1QLta3f8aGHGVbnrF8FBGFB@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
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| Lists: | pgsql-hackers |
On Fri, Feb 4, 2011 at 12:31 PM, Greg Smith <greg(at)2ndquadrant(dot)com> wrote:
> -Switching from ext3 to xfs gave over a 3X speedup on the smaller test set:
> from the 600-700 TPS range to around 2200 TPS. TPS rate on the larger data
> set actually slowed down a touch on XFS, around 10%. Still, such a huge win
> when it's better makes it easy to excuse the occasional cases where it's a
> bit slower.
Did you see that they improved XFS scalability in 2.6.37?
http://kernelnewbies.org/Linux_2_6_37#head-dfa29df2b21f5a72fb17f041a7356deeea3d159e
Looks like there's more XFS improvements in store for 2.6.38.
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