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From "Wei Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13249) Hard upper bound on number of open transactions
Date Tue, 15 Mar 2016 00:32:33 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15194464#comment-15194464
] 

Wei Zheng commented on HIVE-13249:
----------------------------------

OK, one more concern, is it a good idea to have performTimeOuts() and countOpenTxns() share
the same check intervals? We may want to do it more frequent for the latter one.

> Hard upper bound on number of open transactions
> -----------------------------------------------
>
>                 Key: HIVE-13249
>                 URL: https://issues.apache.org/jira/browse/HIVE-13249
>             Project: Hive
>          Issue Type: Improvement
>          Components: Transactions
>    Affects Versions: 2.0.0
>            Reporter: Wei Zheng
>            Assignee: Wei Zheng
>         Attachments: HIVE-13249.1.patch
>
>
> We need to have a safeguard by adding an upper bound for open transactions to avoid huge
number of open-transaction requests, usually due to improper configuration of clients such
as Storm.
> Once that limit is reached, clients will start failing.



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