Remove secondary checkpoint

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Remove secondary checkpoint
Date: 2017-10-24 06:20:10
Message-ID: CANP8+jL_OjL7xM3WmY=jDzhfSs1Qup26iu0N6Rdav--S0mUrRg@mail.gmail.com
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Remove the code that maintained two checkpoint's WAL files and all
associated stuff.

Try to avoid breaking anything else

This
* reduces disk space requirements on master
* removes a minor bug in fast failover
* simplifies code

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

Attachment Content-Type Size
remove_secondary_checkpoint.v4.patch application/octet-stream 16.4 KB

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