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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3537) release locks at the end of move tasks
Date Sat, 19 Jan 2013 06:14:13 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13557927#comment-13557927
] 

Hudson commented on HIVE-3537:
------------------------------

Integrated in hive-trunk-hadoop1 #27 (See [https://builds.apache.org/job/hive-trunk-hadoop1/27/])
    HIVE-3537 : release locks at the end of move tasks (Namit via Ashutosh Chauhan) (Revision
1435492)

     Result = FAILURE
hashutosh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1435492
Files : 
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/Context.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/Driver.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/MoveTask.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/lockmgr/EmbeddedLockManager.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/lockmgr/HiveLockObject.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/lockmgr/zookeeper/ZooKeeperHiveLock.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/lockmgr/zookeeper/ZooKeeperHiveLockManager.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java

                
> release locks at the end of move tasks
> --------------------------------------
>
>                 Key: HIVE-3537
>                 URL: https://issues.apache.org/jira/browse/HIVE-3537
>             Project: Hive
>          Issue Type: Bug
>          Components: Locking, Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>             Fix For: 0.11.0
>
>         Attachments: hive.3537.10.patch, hive.3537.1.patch, hive.3537.2.patch, hive.3537.3.patch,
hive.3537.4.patch, hive.3537.5.patch, hive.3537.6.patch, hive.3537.7.patch, hive.3537.8.patch,
hive.3537.9.patch
>
>
> Look at HIVE-3106 for details.
> In order to make sure that concurrency is not an issue for multi-table 
> inserts, the current option is to introduce a dependency task, which thereby
> delays the creation of all partitions. It would be desirable to release the
> locks for the outputs as soon as the move task is completed. That way, for
> multi-table inserts, the concurrency can be enabled without delaying any 
> table.
> Currently, the movetask contains a input/output, but they do not seem to be
> populated correctly.

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