From: Guillaume Cottenceau <gc@mnc.ch>
To: Matthew Wakeling <matthew@flymine.org>
Cc: pgsql-performance\@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: which ext3 fs type should I use for postgresql
Date: Thu, 15 May 2008 17:32:37 +0200
Message-ID: <87r6c3wpka.fsf@mnc.ch> (raw)
In-Reply-To: <Pine.LNX.4.64.0805151618520.16756@aragorn.flymine.org>
References: <1210846262.16664.41.camel@philippe-desktop>
<Pine.LNX.4.64.0805151217490.16756@aragorn.flymine.org>
<482C4F3D.6010808@emolecules.com>
<87ve1fwqov.fsf@mnc.ch>
<Pine.LNX.4.64.0805151618520.16756@aragorn.flymine.org>
Matthew Wakeling <matthew 'at' flymine.org> writes:
> On Thu, 15 May 2008, Guillaume Cottenceau wrote:
>> Also, IIRC when PG writes data up to a full filesystem,
>> postmaster won't be able to then restart if the filesystem is
>> still full (it needs some free disk space for its startup).
>>
>> Or maybe this has been fixed in recent versions?
>
> Ah, the "not enough space to delete file, delete some files and try
> again" problem. Anyway, that isn't relevant to the reserved
> percentage, as that will happen whether or not the filesystem is 5%
> smaller.
It is still relevant, as with 5% margin, you can afford changing
that to 0% with tune2fs, just the time for you to start PG and
remove some data by SQL, then shutdown and set the margin to 5%
again.
--
Guillaume Cottenceau
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To: pgsql-performance@postgresql.org
Cc: gc@mnc.ch, matthew@flymine.org
Subject: Re: which ext3 fs type should I use for postgresql
In-Reply-To: <87r6c3wpka.fsf@mnc.ch>
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