From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
---|---|
To: | "shakahshakah(at)gmail(dot)com" <shakahshakah(at)gmail(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: 8.5 TODO: any info on "Create dump tool for write-ahead logs..." in PITR section (1.4)? |
Date: | 2009-10-05 02:28:17 |
Message-ID: | 3f0b79eb0910041928y7b3bc918wf756ac32e46bebf@mail.gmail.com |
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Lists: | pgsql-hackers |
Hi,
On Sat, Oct 3, 2009 at 7:30 AM, shakahshakah(at)gmail(dot)com
<shakahshakah(at)gmail(dot)com> wrote:
> Can anyone elaborate (or point me to some additional info) on the 8.5
> TODO item in the "Point-In-Time Recover (PITR) section (1.4)":
> Create dump tool for write-ahead logs for use in determining
> transaction id for point-in-time recovery
> This is useful for checking PITR recovery.
>
> I poked around a bit and found some code that "walks" the WAL logs (in
> src/backend/access/transam/xlog.c, I think) and I could probably
> figure out how to display a WAL log file contents, but I'm hoping
> someone can provide some context as to what issue this TODO item is
> trying to address (i.e., what output would be useful).
I think that xlogdump (http://xlogviewer.projects.postgresql.org/) is
the first step to address that TODO item. Though I'm not sure if the
xlogdump project is still active.
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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