Alexandre Linte created HIVE-13829:
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             Summary: Property "hive.mapjoin.optimized.keys" does not exist
                 Key: HIVE-13829
                 URL: https://issues.apache.org/jira/browse/HIVE-13829
             Project: Hive
          Issue Type: Bug
    Affects Versions: 2.0.0
         Environment: Hadoop 2.7.2, Hive 2.0.0, Spark 1.6.1, Kerberos
            Reporter: Alexandre Linte


Refering to the documentation 
(https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties), it 
is possible to set the following property "hive.mapjoin.optimized.keys". 
Unfortunately, this property seems to be unknown to Hive.
Here is an extract of the hive-site.xml which includes the property:
{noformat}
  <property>
      <name>hive.mapjoin.optimized.hashtable</name>
      <value>true</value>
      <description>Whether Hive should use a memory-optimized hash table for 
MapJoin. Only works on Tez, because memory-optimized hash table cannot be 
serialized.</description>
  </property>
{noformat}
In the logs I have:
{noformat}
May 24 09:09:02 hiveserver2.bigdata.fr HiveConf of name 
hive.mapjoin.optimized.keys does not exist
{noformat}



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