From: Chris Mair <chris@1006.org>
To: Fredrik Bertilsson <frebe73@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Performance Solaris vs Linux
Date: Sat, 18 Aug 2007 12:13:45 +0200
Message-ID: <46C6C659.8060703@1006.org> (raw)
In-Reply-To: <a4bdbee90708162350j56004afwfb26626dd6d53e8a@mail.gmail.com>
References: <a4bdbee90708162350j56004afwfb26626dd6d53e8a@mail.gmail.com>
Fredrik Bertilsson wrote:
> Hi,
> we are using Postgres on both Solaris servers and Linux servers, and
> Postgres are much slower on Solaris servers. We have tested with
> different versions of Solaris and Postgres, but the fact remains:
> Postgres seems to be much faster on Linux server. Does anybody else has
> the same experience?
>
> Best regards,
> Fredrik B
I had some performance problems on Solaris a while ago which let to
this interesting thread:
http://archives.postgresql.org/pgsql-performance/2006-04/thrd4.php#00035
executive summary:
- write cache might be (unexpectedly) off by default on sun gear
- set explicitly "wal_sync_method = fsync"
- some other settings (see thread)
Bye,
Chris.
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To: pgsql-performance@postgresql.org
Cc: chris@1006.org, frebe73@gmail.com
Subject: Re: Performance Solaris vs Linux
In-Reply-To: <46C6C659.8060703@1006.org>
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