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From "Daniel Dai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19810) StorageHandler fail to ship jars in Tez intermittently
Date Thu, 14 Jun 2018 23:47:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16513137#comment-16513137
] 

Daniel Dai commented on HIVE-19810:
-----------------------------------

[~sershe], are you able to review this patch?

> StorageHandler fail to ship jars in Tez intermittently
> ------------------------------------------------------
>
>                 Key: HIVE-19810
>                 URL: https://issues.apache.org/jira/browse/HIVE-19810
>             Project: Hive
>          Issue Type: Bug
>          Components: Tez
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>            Priority: Major
>         Attachments: HIVE-19810.1.patch, HIVE-19810.2.patch, testcase.patch
>
>
> Hive relies on StorageHandler to ship jars to backend automatically in several cases:
JdbcStorageHandler, HBaseStorageHandler, AccumuloStorageHandler. This does not work reliably,
in particular, the first dag in the session will have those jars, the second will not unless
container is reused. In the later case, the containers allocated to first dag will be reused
in the second dag so the container will have additional resources.



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