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Posted to commits@quickstep.apache.org by zu...@apache.org on 2016/05/30 22:47:26 UTC
[18/32] incubator-quickstep git commit: Change the default value of
Joined Tuple Collector (#226)
Change the default value of Joined Tuple Collector (#226)
On NUMA boxes, the vector based joined tuple collector slows down queries.
Project: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/commit/a25da390
Tree: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/tree/a25da390
Diff: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/diff/a25da390
Branch: refs/heads/master
Commit: a25da39001017360907ee523d94b48cb4417fe24
Parents: 3c84537
Author: Jignesh Patel <pa...@users.noreply.github.com>
Authored: Wed May 18 11:56:53 2016 -0500
Committer: Zuyu Zhang <zz...@pivotal.io>
Committed: Mon May 30 15:47:51 2016 -0700
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relational_operators/HashJoinOperator.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/a25da390/relational_operators/HashJoinOperator.cpp
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diff --git a/relational_operators/HashJoinOperator.cpp b/relational_operators/HashJoinOperator.cpp
index 104a02d..aa03794 100644
--- a/relational_operators/HashJoinOperator.cpp
+++ b/relational_operators/HashJoinOperator.cpp
@@ -59,7 +59,7 @@ namespace quickstep {
namespace {
-DEFINE_bool(vector_based_joined_tuple_collector, true,
+DEFINE_bool(vector_based_joined_tuple_collector, false,
"If true, use simple vector-based joined tuple collector in "
"hash join, with a final sort pass to group joined tuple pairs "
"by inner block. If false, use unordered_map based collector that "