Re: replay_location indicates incorrect location

Simon Riggs <simon@2ndquadrant.com>

From: Simon Riggs <simon@2ndQuadrant.com>

To: Fujii Masao <masao.fujii@gmail.com>

Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>

Date: 2012-01-13T11:09:42Z

Lists: pgsql-hackers

On Fri, Jan 13, 2012 at 10:04 AM, Fujii Masao <masao.fujii@gmail.com> wrote:

> When I looked at pg_stat_replication just after starting the standby before
> executing any write transactions on the master, I found that replay_location
> indicated incorrect location different from sent/write/flush_location. Then,
> if I ran write transaction on the master, replay_location indicated the same
> location as the others.
>
> The cause of this problem is that Xlogctl->recoveryLastRecPtr which points
> to replay_location is initialized with wrong variable ReadRecPtr. Instead, it
> should be initialized with EndRecPtr. Attached patch does that. This needs
> to be backported to 9.0.

Agreed. Will commit.

-- 
 Simon Riggs                   http://www.2ndQuadrant.com/
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