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Re: WAL logging freezing

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-hackers(at)postgresql(dot)org, Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
Cc: pgsql-patches(at)postgresql(dot)org
Subject: Re: WAL logging freezing
Date: 2006-10-24 14:11:43
Message-ID: 8348.1161699103@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Heikki Linnakangas <heikki(at)enterprisedb(dot)com> writes:
> I would've liked to give freezing a new opcode, 
>   but we've ran out of them (see htup.h).

Hardly ... we have plenty of unused rmgr id's still.

The real issue that still has to be resolved is the interaction of all
this stuff with PITR scenarios --- is it still safe to not log hint-bit
updates when PITR is on?  I think it's premature to start writing
patches until we've decided how this really needs to work.

			regards, tom lane

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