Re: configure option for XLOG_BLCKSZ

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: "Andreas 'ads' Scherbaum" <adsmail(at)wars-nicht(dot)de>, pgsql-patches(at)postgresql(dot)org
Subject: Re: configure option for XLOG_BLCKSZ
Date: 2008-05-05 17:06:09
Message-ID: 830.1210007169@sss.pgh.pa.us
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Alvaro Herrera <alvherre(at)commandprompt(dot)com> writes:
>> On Sat, 03 May 2008 13:14:35 -0400 Tom Lane wrote:
>>> I think the use-case for varying the WAL segment size is unrelated to
>>> performance of the master server, but would instead be concerned with
>>> adjusting the granularity of WAL log shipping.

> Seems the stuff to zero out the unused segment tail would be more useful
> here.

Well, that's also useful, but it hardly seems like a substitute for
picking a more optimal segment size in the first place.

regards, tom lane

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