Re: Vacuums on large busy databases

From: Francisco Reyes <lists(at)stringsutils(dot)com>
To: Jim C(dot) Nasby <jimn(at)enterprisedb(dot)com>
Cc: Pgsql performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Vacuums on large busy databases
Date: 2006-09-19 00:21:16
Message-ID: cone.1158625276.426992.91426.5001@35st-server.simplicato.com
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Jim C. Nasby writes:

> BTW, on some good raid controllers (with battery backup and
> write-caching), putting pg_xlog on a seperate partition doesn't really
> help, so you might want to try combining everything.

Planning to put a busy database on second raid or perhaps some index files.
So far the second raid is highly under utilized.

> Even if you stay with 2 partitions, I'd cut pg_xlog back to just a
> simple mirror.

I am considering to put the pg_xlog back to the main raid. Primarily because
we have two hot spares.. on top of RAID 10.. so it is safer.

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