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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