| From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Florian Pflug <fgp(at)phlo(dot)org>, Simon Riggs <simon(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: bug of recovery? |
| Date: | 2011-09-27 05:00:14 |
| Message-ID: | CAHGQGwGwVrsXGKDd5MSO-m3sG+RZ_5zNPvLYHUPD+KLAXw907Q@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Sep 27, 2011 at 1:05 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Fujii Masao <masao(dot)fujii(at)gmail(dot)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
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