Re: replay_location indicates incorrect location - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: replay_location indicates incorrect location
Date
Msg-id CA+U5nM+qJAT5o_=vGmX2VWHTvkVwVJPA8r1cgh-bk6nrzUMS1w@mail.gmail.com
Whole thread Raw
In response to replay_location indicates incorrect location  (Fujii Masao <masao.fujii@gmail.com>)
List 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/
 PostgreSQL Development, 24x7 Support, Training & Services


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