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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Jeff Janes <jeff.janes@gmail.com>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Cc: Daniel Farina <daniel@heroku.com>
Cc: Craig Ringer <ringerc@ringerc.id.au>
Cc: Harold A. Giménez <harold.gimenez@gmail.com>
Subject: Re: [PERFORM] DELETE vs TRUNCATE explanation
Date: Mon, 16 Jul 2012 15:18:53 -0400
Message-ID: <15955.1342466333@sss.pgh.pa.us> (raw)
In-Reply-To: <CA+TgmoaEPLo5fmBX1JSkGK3umAamFVghwY7qDb4_QqzteZgUPA@mail.gmail.com>
References: <4FFCCAC4.4030503@ringerc.id.au>
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Robert Haas <robertmhaas@gmail.com> writes:
> At any rate, I'm somewhat less convinced that the split was a good
> idea than I was when we did it, mostly because we haven't really gone
> anywhere with it subsequently.

BTW, while we are on the subject: hasn't this split completely broken
the statistics about backend-initiated writes?  I don't see anything
in ForwardFsyncRequest that distinguishes whether it's being called in
the bgwriter or a regular backend.

			regards, tom lane



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