Re: production server down

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Joe Conway <mail(at)joeconway(dot)com>
Cc: Michael Fuhr <mike(at)fuhr(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Hackers (PostgreSQL)" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: production server down
Date: 2004-12-18 22:42:29
Message-ID: 200412182242.iBIMgTm24674@candle.pha.pa.us
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Joe Conway wrote:
> We then spent most of the next 24 hours reviewing the recovered
> database. The bulk data loading process was well instrumented, so we
> knew exactly which data should have been committed prior to the server
> hang, and which files were inprocess (we had been doing 10 loads in
> parallel) at the time of the hang. The results of the investigation
> indicated complete recovery, with no missing or unwanted (i.e.
> uncommitted records looking committed) data.

Good analysis. Seems you were lucky in that only WAL was corrupt and
not the heap or index files.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073

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