Re: ThisTimeLineID in checkpointer and bgwriter processes

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Amit Kapila <amit(dot)kapila(at)huawei(dot)com>
Cc: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: ThisTimeLineID in checkpointer and bgwriter processes
Date: 2012-12-20 16:46:21
Message-ID: CA+U5nML6kkNN6TTvV0zjU6oX2m5uU1BQKa8mTkBfeLdb72u9HQ@mail.gmail.com
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On 20 December 2012 13:19, Amit Kapila <amit(dot)kapila(at)huawei(dot)com> wrote:

> True, it might not have any functionality effect in RemoveOldXlogFiles().
> However it can be used in PreallocXlogFiles()->XLogFileInit() as well.

Which is never called in recovery because we never write WAL.

--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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