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https://issues.apache.org/jira/browse/HIVE-13829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15299380#comment-15299380
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Lefty Leverenz commented on HIVE-13829:
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HIVE-9331 removed *hive.mapjoin.optimized.keys* and
*hive.mapjoin.lazy.hashtable* in release 1.1.0 but the documentation hasn't be
updated yet.
> 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
> Components: Configuration
> 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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