| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Robert Kaye <rob(at)musicbrainz(dot)org> |
| Cc: | Andreas Kretschmer <akretschmer(at)spamfence(dot)net>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: MusicBrainz postgres performance issues |
| Date: | 2015-03-15 12:32:19 |
| Message-ID: | 20150315123219.GA19792@alap3.anarazel.de |
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| Thread: | |
| Lists: | pgsql-performance |
On 2015-03-15 13:08:13 +0100, Robert Kaye wrote:
> > On Mar 15, 2015, at 12:41 PM, Andreas Kretschmer <akretschmer(at)spamfence(dot)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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