amansinha100 commented on a change in pull request #2891:
URL: https://github.com/apache/hive/pull/2891#discussion_r772471567
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File path: common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
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@@ -1836,6 +1836,8 @@ private static void populateLlapDaemonVarsSet(Set<String>
llapDaemonVarsSetLocal
HIVEALIAS("hive.alias", "", ""),
HIVEMAPSIDEAGGREGATE("hive.map.aggr", true, "Whether to use map-side
aggregation in Hive Group By queries"),
HIVEGROUPBYSKEW("hive.groupby.skewindata", false, "Whether there is skew
in data to optimize group by queries"),
+ HIVE_JOIN_SHORTCUT_EXTENSIONROWS("hive.join.shortcut.extensionrows", true,
+ "Enables to shortcut processing of known filtered rows in merge
joins."),
Review comment:
Agree that this config is needed for performance testing. At the same
time, agree that it should be marked for internal use. I see there's precedent
..there are a few config options with 'Internal use only' in the description.
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