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/aa76e482 Tree: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/tree/aa76e482 Diff: http://git-wip-us.apache.org/repos/asf/incubator-quickstep/diff/aa76e482 Branch: refs/heads/decimal-type Commit: aa76e4827adea01c46502fdb3f1c5cec30a81b9f Parents: 205aa4f Author: Jignesh Patel <pate...@users.noreply.github.com> Authored: Wed May 18 11:56:53 2016 -0500 Committer: Zuyu Zhang <zzh...@pivotal.io> Committed: Wed Jun 8 11:57:44 2016 -0700 ---------------------------------------------------------------------- relational_operators/HashJoinOperator.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-quickstep/blob/aa76e482/relational_operators/HashJoinOperator.cpp ---------------------------------------------------------------------- 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 "