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Re: Hot Standby startup with overflowed snapshots

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: Chris Redekop <chris(at)replicon(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Hot Standby startup with overflowed snapshots
Date: 2011-10-28 03:42:20
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Lists: pgsql-hackers
On Thu, Oct 27, 2011 at 6:55 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> It seems cheap to add in a call to LogStandbySnapshot() after each
> call to pg_stop_backup().
> Does anyone think this case is worth adding code for? Seems like one
> more thing to break.

Why at that particular time?

It would maybe nice if the master could notice when it has a plausible
(non-overflowed) snapshot and log it then.  But that might be more
code than the problem is worth.

Robert Haas
The Enterprise PostgreSQL Company

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