From: Scott Marlowe <scott.marlowe@gmail.com>
To: Anj Adu <fotographs@gmail.com>
Cc: Greg Smith <greg@2ndquadrant.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: more 10K disks or less 15K disks
Date: Wed, 28 Apr 2010 22:51:22 -0600
Message-ID: <m2kdcc563d11004282151qb7db252g557ec4ec5a6bc385@mail.gmail.com> (raw)
In-Reply-To: <u2zf2fd819a1004282145wc60c3b39o7f0679fec9f607f8@mail.gmail.com>
References: <i2pf2fd819a1004281127sf91d988cua1d95d13d09dae09@mail.gmail.com>
<4BD8DCEA.2020003@2ndquadrant.com>
<u2zf2fd819a1004282145wc60c3b39o7f0679fec9f607f8@mail.gmail.com>
On Wed, Apr 28, 2010 at 10:45 PM, Anj Adu <fotographs@gmail.com> wrote:
> Thanks Greg
>
> We do not archive the WALs. We use application-level replication to
> achieve redundancy. WAL archiving was difficult to support with the
> earlier hardware we had ( 6x300G 10K disks Dell 2850) given the
> volumes we were dealing with. The RAID card should be from the same
> manufacturer (LSI in Dell's case).
I don't think Greg was talking of WAL archiving, but more of where are
the WAL files and how much IO throughput the WAL needs compared to the
regular old /data/base store.
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To: pgsql-admin@postgresql.org
Cc: scott.marlowe@gmail.com, fotographs@gmail.com, greg@2ndquadrant.com
Subject: Re: more 10K disks or less 15K disks
In-Reply-To: <m2kdcc563d11004282151qb7db252g557ec4ec5a6bc385@mail.gmail.com>
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