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https://issues.apache.org/jira/browse/HIVE-15688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15860887#comment-15860887
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Lefty Leverenz commented on HIVE-15688:
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Should this be documented in the wiki?
So far, all we have for LLAP is the design doc:
* [Design Docs -- Completed -- LLAP |
https://cwiki.apache.org/confluence/display/Hive/LLAP]
> LlapServiceDriver - an option to start the cluster immediately
> --------------------------------------------------------------
>
> Key: HIVE-15688
> URL: https://issues.apache.org/jira/browse/HIVE-15688
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Fix For: 2.2.0
>
> Attachments: HIVE-15688.01.patch, HIVE-15688.02.patch,
> HIVE-15688.03.patch, HIVE-15688.04.patch, HIVE-15688.patch
>
>
> run.sh is very slow because it's 4 calls to slider, which means 4 JVMs, 4
> connections to RM and other crap, for 2-5sec. of overhead per call,
> depending on the machine/cluster.
> What we need is a mode for llapservicedriver that would not generate run.sh,
> but would rather run the cluster immediately by calling the corresponding 4
> slider APIs. Should probably be the default, too. For compat with scripts we
> might generate blank run.sh for now.
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