From 3c0c099b89e180db266df898f6dc2d3abbc56103 Mon Sep 17 00:00:00 2001 From: Ashutosh Chauhan Date: Tue, 3 Nov 2015 17:26:06 -0800 Subject: [PATCH] HIVE-12329 : Turn on limit pushdown optimization by default --- 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 3ab73ad..17ea291 100644 --- a/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java +++ b/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java @@ -1159,7 +1159,7 @@ public void setSparkConfigUpdated(boolean isSparkConfigUpdated) { HIVELIMITOPTMAXFETCH("hive.limit.optimize.fetch.max", 50000, "Maximum number of rows allowed for a smaller subset of data for simple LIMIT, if it is a fetch query. \n" + "Insert queries are not restricted by this limit."), - HIVELIMITPUSHDOWNMEMORYUSAGE("hive.limit.pushdown.memory.usage", -1f, + HIVELIMITPUSHDOWNMEMORYUSAGE("hive.limit.pushdown.memory.usage", 0.1f, "The max memory to be used for hash in RS operator for top K selection."), HIVELIMITTABLESCANPARTITION("hive.limit.query.max.table.partition", -1, "This controls how many partitions can be scanned for each partitioned table.\n" + -- 1.7.12.4 (Apple Git-37)