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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6635) Heartbeats are not being sent when DbLockMgr is used and an operation holds locks
Date Thu, 13 Mar 2014 03:30:43 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13932839#comment-13932839
] 

Alan Gates commented on HIVE-6635:
----------------------------------

Have we solved all the places that DDL operations can take an hour plus?  And is this same
job helper used by Tez or do we need to do it separately in that case?

> Heartbeats are not being sent when DbLockMgr is used and an operation holds locks
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-6635
>                 URL: https://issues.apache.org/jira/browse/HIVE-6635
>             Project: Hive
>          Issue Type: Bug
>          Components: Locking
>    Affects Versions: 0.13.0
>            Reporter: Alan Gates
>            Assignee: Alan Gates
>             Fix For: 0.13.0
>
>         Attachments: HIVE-6635.patch
>
>
> The new DbLockManager depends on heartbeats from the client in order to determine that
a lock has not timed out.  The client is not currently sending those heartbeats.



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