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Re: [PATCH] Patch to compute Max LSN of Data Pages

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: Fujii Masao <masao.fujii@gmail.com>
Cc: Amit kapila <amit.kapila@huawei.com>, Alvaro Herrera <alvherre@2ndquadrant.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2012-11-13T20:53:41Z
Lists: pgsql-hackers 
On Tue, Nov 13, 2012 at 11:46 AM, Fujii Masao <masao.fujii@gmail.com> wrote:
> Without this utility, it's difficult to calculate the maximum LSN of
> data page, so
> basically we needed to take a backup when starting the standby. In the future,
> thanks to this utility, we can calculate the maximum LSN, and can skip a backup
> if that LSN is less than the master (i.e., last applied LSN, IOW,
> timeline switch LSN).

Doesn't the minimum recovery point give us that?

-- 
Robert Haas
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