Horton

Re: bug of recovery?

Tom Lane <tgl@sss.pgh.pa.us>

View thread
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Fujii Masao <masao.fujii@gmail.com>
Cc: Florian Pflug <fgp@phlo.org>, Simon Riggs <simon@2ndquadrant.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2011-09-27T04:05:44Z
Lists: pgsql-hackers 
Fujii Masao <masao.fujii@gmail.com> writes:
> ISTM that writing an invalid-page table to the disk for every restartpoints is
> better approach.

I still say that's uncalled-for overkill.  The invalid-page table is not
necessary for recovery, it's only a debugging cross-check.  You're more
likely to introduce bugs than fix any by adding a mechanism like that.

			regards, tom lane