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Patch: Spinlock free variant of RecoveryInProgress()

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CommitFest 2013-11
Topic Performance
Patch Status Committed
Author Merlin Moncure
Reviewers Heikki Linnakangas
Committer Heikki Linnakangas
Close Date 2013-11-22
Patch by merlinm on 2013-09-27 12:59:27 PM: Initial version.
Comment by merlinm on 2013-09-27 01:00:40 PM: Patch purports to fix observed performance issue of high spinlock contention in the wild. See upthread for details...
Patch by merlinm on 2013-09-27 07:03:51 PM: simplified version of patch (based on idea of Andres Freund)

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