Avoid hot standby cancels from VAC FREEZE
VACUUM FREEZE generated false cancelations of standby queries on an
otherwise idle master. Caused by an off-by-one error on cutoff_xid
which goes back to original commit.
Backpatch to all versions 9.0+
Analysis and report by Marco Nenciarini
Bug fix by Simon Riggs
Branch
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REL9_0_STABLE
Details
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http://git.postgresql.org/pg/commitdiff/e1ca691f6b81bda44d2971e090804f0b94834711
Modified Files
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src/backend/access/heap/heapam.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)