From: | Jeff Davis <jdavis(at)postgresql(dot)org> |
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To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
Subject: | pgsql: Fix LookupTupleHashEntryHash() pipeline-stall issue. |
Date: | 2020-07-26 23:07:08 |
Message-ID: | E1jzpjY-000403-FG@gemulon.postgresql.org |
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Thread: | |
Lists: | pgsql-committers |
Fix LookupTupleHashEntryHash() pipeline-stall issue.
Refactor hash lookups in nodeAgg.c to improve performance.
Author: Andres Freund and Jeff Davis
Discussion: https://postgr.es/m/20200612213715.op4ye4q7gktqvpuo%40alap3.anarazel.de
Backpatch-through: 13
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/200f6100a9f9fc71273aeb6aceac4430f3437195
Modified Files
--------------
src/backend/executor/execGrouping.c | 29 ++++--
src/backend/executor/nodeAgg.c | 163 +++++++++++++++---------------
src/backend/executor/nodeRecursiveunion.c | 4 +-
src/backend/executor/nodeSetOp.c | 4 +-
src/backend/executor/nodeSubplan.c | 4 +-
src/include/executor/executor.h | 2 +-
6 files changed, 105 insertions(+), 101 deletions(-)
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