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Posted to commits@hive.apache.org by ha...@apache.org on 2018/08/11 17:57:35 UTC
hive git commit: HIVE-20364 : Update default for
hive.map.aggr.hash.min.reduction
Repository: hive
Updated Branches:
refs/heads/master 380946c13 -> 6fd4d64db
HIVE-20364 : Update default for hive.map.aggr.hash.min.reduction
Project: http://git-wip-us.apache.org/repos/asf/hive/repo
Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/6fd4d64d
Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/6fd4d64d
Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/6fd4d64d
Branch: refs/heads/master
Commit: 6fd4d64db1c1dedd208d3bbffc59fd5544ec5d54
Parents: 380946c
Author: Ashutosh Chauhan <ha...@apache.org>
Authored: Fri Aug 10 13:47:44 2018 -0700
Committer: Ashutosh Chauhan <ha...@apache.org>
Committed: Sat Aug 11 10:57:24 2018 -0700
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common/src/java/org/apache/hadoop/hive/conf/HiveConf.java | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/hive/blob/6fd4d64d/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
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diff --git a/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java b/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
index 929feb6..d406f51 100644
--- a/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
+++ b/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
@@ -1683,7 +1683,7 @@ public class HiveConf extends Configuration {
"How many rows with the same key value should be cached in memory per smb joined table."),
HIVEGROUPBYMAPINTERVAL("hive.groupby.mapaggr.checkinterval", 100000,
"Number of rows after which size of the grouping keys/aggregation classes is performed"),
- HIVEMAPAGGRHASHMEMORY("hive.map.aggr.hash.percentmemory", (float) 0.5,
+ HIVEMAPAGGRHASHMEMORY("hive.map.aggr.hash.percentmemory", (float) 0.99,
"Portion of total memory to be used by map-side group aggregation hash table"),
HIVEMAPJOINFOLLOWEDBYMAPAGGRHASHMEMORY("hive.mapjoin.followby.map.aggr.hash.percentmemory", (float) 0.3,
"Portion of total memory to be used by map-side group aggregation hash table, when this group by is followed by map join"),