From: Jim C. Nasby <decibel@decibel.org>
To: Y Sidhu <ysidhu@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Disk Fills Up and fsck "Compresses" it
Date: Tue, 15 May 2007 18:41:53 -0500
Message-ID: <20070515234152.GD20707@nasby.net> (raw)
In-Reply-To: <b09064f30705151318v2c770d76h89e32c9303777070@mail.gmail.com>
References: <b09064f30705151318v2c770d76h89e32c9303777070@mail.gmail.com>
I'm guessing you're seeing the affect of softupdates. With those enabled
it can take some time before the space freed by a delete will actually
show up as available.
On Tue, May 15, 2007 at 01:18:42PM -0700, Y Sidhu wrote:
> Anyone seen PG filling up a 66 GB partition from say 40-ish percentage to
> 60-ish percentage in a manner of minutes. When I run a 'fsck' the disk usage
> comes down to 40-ish percentage. That's about 10+ GB's variance.
>
> This is a FreeBSD 6.2 RC2, 4GB memory, Xeon 3.2 GHz '4' of the '8' CPUs in
> use - dual cpu, dual core with HTT turned off in the sense that the other 4
> cpu's have been masked out. The drive is a Western Digital 70 GB SATA.
>
> --
> Yudhvir Singh Sidhu
> 408 375 3134 cell
--
Jim Nasby decibel@decibel.org
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
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To: pgsql-performance@postgresql.org
Cc: decibel@decibel.org, ysidhu@gmail.com
Subject: Re: Disk Fills Up and fsck "Compresses" it
In-Reply-To: <20070515234152.GD20707@nasby.net>
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