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Re: [PATCHES] A way to let Vacuum warn if FSM settings are low. [final?]

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Ron Mayer <rm_pg(at)cheapcomplexdevices(dot)com>,Simon Riggs <simon(at)2ndquadrant(dot)com>, pgsql-general(at)postgresql(dot)org,pgsql-patches(at)postgresql(dot)org
Subject: Re: [PATCHES] A way to let Vacuum warn if FSM settings are low. [final?]
Date: 2005-03-14 06:40:02
Message-ID: 5671.1110782402@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-generalpgsql-patches
Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Ron Mayer wrote:
>> My reasoning why I thought the log file was more useful was
>> that only an admin with access to the log files could really
>> do anything about the message anyway.

> The log file is useful, but I think showing the VACUUM user is _more_
> useful than the log file.

I think that reasoning is fundamentally unsound, because (a) a lot of
people already do vacuuming via a cron job or autovacuum, and (b)
autovacuum is definitely the wave of the future.  So it's foolish
to design this messaging around the assumption that there will be
a human attentive to the on-line output from VACUUM.  We should be
ensuring that the message gets into the postmaster log --- whether
it gets sent to the client is secondary.

			regards, tom lane

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