quickstep-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From zu...@apache.org
Subject [25/50] [abbrv] incubator-quickstep git commit: Change the default value of Joined Tuple Collector (#226)
Date Thu, 09 Jun 2016 03:41:22 GMT
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/storage-fix
Commit: aa76e4827adea01c46502fdb3f1c5cec30a81b9f
Parents: 205aa4f
Author: Jignesh Patel <pateljm@users.noreply.github.com>
Authored: Wed May 18 11:56:53 2016 -0500
Committer: Zuyu Zhang <zzhang@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 "


Mime
View raw message