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Reduce impact of btree page reuse on Hot Standby by fixing off-by-1 error.
author
Simon Riggs
<simon@2ndQuadrant.com>
Mon, 27 Jun 2011 21:12:09 +0000
(22:12 +0100)
committer
Simon Riggs
<simon@2ndQuadrant.com>
Mon, 27 Jun 2011 21:12:09 +0000
(22:12 +0100)
WAL records of type XLOG_BTREE_REUSE_PAGE were generated using a
latestRemovedXid one higher than actually needed because xid used was
page opaque->btpo.xact rather than an actually removed xid.
Noticed on an otherwise quiet system by Noah Misch.
Noah Misch and Simon Riggs
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