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https://issues.apache.org/jira/browse/HIVE-16893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16073373#comment-16073373
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ASF GitHub Bot commented on HIVE-16893:
---------------------------------------

GitHub user anishek opened a pull request:

    https://github.com/apache/hive/pull/201

    HIVE-16893 : move replication dump related work in semantic analysis phase 
to execution phase using a task

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/anishek/hive HIVE-16893

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/hive/pull/201.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #201
    
----
commit f68e05b8e2b048ea52153a41fb7c291223fdc653
Author: Anishek Agarwal <anis...@gmail.com>
Date:   2017-06-21T09:32:50Z

    HIVE-16893 : move replication dump related work in semantic analysis phase 
to execution phase using a task

----


> move replication dump related work in semantic analysis phase to execution 
> phase using a task
> ---------------------------------------------------------------------------------------------
>
>                 Key: HIVE-16893
>                 URL: https://issues.apache.org/jira/browse/HIVE-16893
>             Project: Hive
>          Issue Type: Sub-task
>          Components: HiveServer2
>    Affects Versions: 3.0.0
>            Reporter: anishek
>            Assignee: anishek
>             Fix For: 3.0.0
>
>         Attachments: HIVE-16893.2.patch
>
>
> Since we run in to the possibility of creating a large number tasks during 
> replication bootstrap dump
> * we may not be able to hold all of them in memory for really large 
> databases, which might not hold true once we complete HIVE-16892
> * Also a compile time lock is taken such that only one query is run in this 
> phase which in replication bootstrap scenario is going to be a very long 
> running task and hence moving it to execution phase will limit the lock 
> period in compile phase.



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