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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13829) Property "hive.mapjoin.optimized.keys" does not exist
Date Wed, 25 May 2016 03:10:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13829?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15299380#comment-15299380
] 

Lefty Leverenz commented on HIVE-13829:
---------------------------------------

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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