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 726522bd94..503a66402d 100644 --- a/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java +++ b/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java @@ -1074,7 +1074,7 @@ private static void populateLlapDaemonVarsSet(Set llapDaemonVarsSetLocal "the expression exceeds this threshold; the threshold is expressed in terms of number of nodes (leaves and" + "interior nodes). -1 to not set up a threshold."), HIVE_CBO_RETPATH_HIVEOP("hive.cbo.returnpath.hiveop", false, "Flag to control calcite plan to hive operator conversion"), - HIVE_CBO_EXTENDED_COST_MODEL("hive.cbo.costmodel.extended", false, "Flag to control enabling the extended cost model based on" + HIVE_CBO_EXTENDED_COST_MODEL("hive.cbo.costmodel.extended", true, "Flag to control enabling the extended cost model based on" + "CPU, IO and cardinality. Otherwise, the cost model is based on cardinality."), HIVE_CBO_COST_MODEL_CPU("hive.cbo.costmodel.cpu", "0.000001", "Default cost of a comparison"), HIVE_CBO_COST_MODEL_NET("hive.cbo.costmodel.network", "150.0", "Default cost of a transfering a byte over network;"