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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-10500) Repeated deadlocks in underlying RDBMS cause transaction or lock failure
Date Wed, 29 Apr 2015 08:46:06 GMT

    [ https://issues.apache.org/jira/browse/HIVE-10500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14518978#comment-14518978
] 

Lefty Leverenz commented on HIVE-10500:
---------------------------------------

If the trunk commit is 8981f365bf0cf921bc0ac2ff8914df44ca2f7de7 then it has a typo in the
JIRA number:  "HIVE-10050 Added backoff for deadlock retry. Also make sure to reset the deadlock
counter at appropriate points."

> Repeated deadlocks in underlying RDBMS cause transaction or lock failure
> ------------------------------------------------------------------------
>
>                 Key: HIVE-10500
>                 URL: https://issues.apache.org/jira/browse/HIVE-10500
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 0.14.0, 1.0.0, 1.1.0
>            Reporter: Alan Gates
>            Assignee: Alan Gates
>             Fix For: 1.2.0
>
>         Attachments: HIVE-10050.patch
>
>
> In some cases in a busy system, deadlocks in the metastore RDBMS can cause failures in
Hive locks and transactions when using DbTxnManager



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