Hot Standby tuning for btree_xlog_vacuum()

Simon Riggs <simon@2ndquadrant.com>

From: Simon Riggs <simon@2ndQuadrant.com>

To: pgsql-hackers@postgresql.org

Date: 2010-04-29T20:12:18Z

Lists: pgsql-hackers

Attachments

tune_hs_vacuum_replay.patch (text/x-patch) patch

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