Hot Standby tuning for btree_xlog_vacuum()

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: Hot Standby tuning for btree_xlog_vacuum()
Date: 2010-04-29 20:12:18
Message-ID: 1272571938.4161.14739.camel@ebony
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Simple tuning of btree_xlog_vacuum() using an idea I had a while back,
just never implemented. XXX comments removed.

Allows us to avoid reading in blocks during VACUUM replay that are only
required for correctness of index scans.

Objections to commit?

--
Simon Riggs www.2ndQuadrant.com

Attachment Content-Type Size
tune_hs_vacuum_replay.patch text/x-patch 5.0 KB

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