From f6847de20a2862940a9b6df0d71102d61d44174d Mon Sep 17 00:00:00 2001 From: Ashutosh Chauhan Date: Thu, 13 Sep 2018 22:03:55 -0700 Subject: [PATCH] HIVE-20558 : Change default of hive.hashtable.key.count.adjustment to 0.99 --- common/src/java/org/apache/hadoop/hive/conf/HiveConf.java | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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 0bfee2e43e..238e1f2f1a 100644 --- a/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java +++ b/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java @@ -2037,7 +2037,7 @@ private static void populateLlapDaemonVarsSet(Set llapDaemonVarsSetLocal "However, if it is on, and the predicted size of the larger input for a given join is greater \n" + "than this number, the join will not be converted to a dynamically partitioned hash join. \n" + "The value \"-1\" means no limit."), - HIVEHASHTABLEKEYCOUNTADJUSTMENT("hive.hashtable.key.count.adjustment", 2.0f, + HIVEHASHTABLEKEYCOUNTADJUSTMENT("hive.hashtable.key.count.adjustment", 0.99f, "Adjustment to mapjoin hashtable size derived from table and column statistics; the estimate" + " of the number of keys is divided by this value. If the value is 0, statistics are not used" + "and hive.hashtable.initialCapacity is used instead."), -- 2.14.3 (Apple Git-98)