pgsql: Convert ParallelBitmapHeapState->state to an atomic variable. - Mailing list pgsql-committers

Convert ParallelBitmapHeapState->state to an atomic variable.

Currently, this variable is a SharedBitmapState protected by a
spinlock.  By converting it to an atomic variable, we can remove the
spinlock.

Reviewed-by: Zsolt Parragi <zsolt.parragi@percona.com>
Tested-by: solai v <solai.cdac@gmail.com>
Discussion: https://postgr.es/m/alAJeRRzehDjLaF1%40nathan

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/b1ec662ec189f3492a5c386edf80359347abefef

Modified Files
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src/backend/executor/nodeBitmapHeapscan.c | 23 +++++++----------------
1 file changed, 7 insertions(+), 16 deletions(-)