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https://issues.apache.org/jira/browse/HIVE-12366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15105766#comment-15105766
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Eugene Koifman commented on HIVE-12366:
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committed to 2.0 as well
> Refactor Heartbeater logic for transaction
> ------------------------------------------
>
> Key: HIVE-12366
> URL: https://issues.apache.org/jira/browse/HIVE-12366
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Reporter: Wei Zheng
> Assignee: Wei Zheng
> Labels: TODOC1.3
> Attachments: HIVE-12366.1.patch, HIVE-12366.11.patch,
> HIVE-12366.12.patch, HIVE-12366.13.patch, HIVE-12366.14.patch,
> HIVE-12366.15.patch, HIVE-12366.2.patch, HIVE-12366.3.patch,
> HIVE-12366.4.patch, HIVE-12366.5.patch, HIVE-12366.6.patch,
> HIVE-12366.7.patch, HIVE-12366.8.patch, HIVE-12366.9.patch,
> HIVE-12366.branch-1.patch, HIVE-12366.branch-2.0.patch
>
>
> Currently there is a gap between the time locks acquisition and the first
> heartbeat being sent out. Normally the gap is negligible, but when it's big
> it will cause query fail since the locks are timed out by the time the
> heartbeat is sent.
> Need to remove this gap.
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