From: Andres Freund <andres@2ndquadrant.com>
To: Robert Kaye <rob@musicbrainz.org>
Cc: Andreas Kretschmer <akretschmer@spamfence.net>
Cc: pgsql-performance@postgresql.org
Subject: Re: MusicBrainz postgres performance issues
Date: Sun, 15 Mar 2015 13:32:19 +0100
Message-ID: <20150315123219.GA19792@alap3.anarazel.de> (raw)
In-Reply-To: <0D72E149-EE2F-4E5F-9FAE-6FA902960A29@musicbrainz.org>
References: <B008F2EE-45D7-4535-9163-56A8CDCA553C@musicbrainz.org>
<20150315114123.GA7529@tux>
<0D72E149-EE2F-4E5F-9FAE-6FA902960A29@musicbrainz.org>
List-Unsubscribe: <mailto:majordomo@postgresql.org?body=unsub%20pgsql-performance>
On 2015-03-15 13:08:13 +0100, Robert Kaye wrote:
> > On Mar 15, 2015, at 12:41 PM, Andreas Kretschmer <akretschmer@spamfence.net> wrote:
> >
> > just a wild guess: raid-controller BBU faulty
>
> We don’t have a BBU in this server, but at least we have redundant power supplies.
>
> In any case, how would a fault batter possibly cause this?
Many controllers disable write-back caching when the battery is dead.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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To: pgsql-performance@postgresql.org
Cc: andres@2ndquadrant.com, rob@musicbrainz.org, akretschmer@spamfence.net
Subject: Re: MusicBrainz postgres performance issues
In-Reply-To: <20150315123219.GA19792@alap3.anarazel.de>
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