Horton

Re: bug of recovery?

Fujii Masao <masao.fujii@gmail.com>

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From: Fujii Masao <masao.fujii@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Florian Pflug <fgp@phlo.org>, Simon Riggs <simon@2ndquadrant.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2011-09-27T05:00:14Z
Lists: pgsql-hackers 
On Tue, Sep 27, 2011 at 1:05 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> 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.

If so, there is no risk even if the invalid-page table is lost and the check
is skipped unexpectedly?

Regards,

-- 
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center