Re: Disk Fills Up and fsck "Compresses" it - Mailing list pgsql-performance

From Jim C. Nasby
Subject Re: Disk Fills Up and fsck "Compresses" it
Date
Msg-id 20070515234152.GD20707@nasby.net
Whole thread Raw
In response to Disk Fills Up and fsck "Compresses" it  ("Y Sidhu" <ysidhu@gmail.com>)
Responses Re: Disk Fills Up and fsck "Compresses" it  ("Y Sidhu" <ysidhu@gmail.com>)
List pgsql-performance
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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