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Posted to issues@hive.apache.org by "mahesh kumar behera (JIRA)" <ji...@apache.org> on 2018/06/05 04:58:00 UTC
[jira] [Updated] (HIVE-19340) Disable timeout of transactions
opened by replication task at target cluster
[ https://issues.apache.org/jira/browse/HIVE-19340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
mahesh kumar behera updated HIVE-19340:
---------------------------------------
Attachment: HIVE-19340.06.patch
> Disable timeout of transactions opened by replication task at target cluster
> ----------------------------------------------------------------------------
>
> Key: HIVE-19340
> URL: https://issues.apache.org/jira/browse/HIVE-19340
> Project: Hive
> Issue Type: Sub-task
> Components: repl, Transactions
> Affects Versions: 3.0.0
> Reporter: mahesh kumar behera
> Assignee: mahesh kumar behera
> Priority: Major
> Labels: ACID, DR, pull-request-available, replication
> Fix For: 4.0.0
>
> Attachments: HIVE-19340.01.patch, HIVE-19340.02.patch, HIVE-19340.03-branch-3.patch, HIVE-19340.03.patch, HIVE-19340.04-branch-3.patch, HIVE-19340.06.patch
>
>
> The transactions opened by applying EVENT_OPEN_TXN should never be aborted automatically due to time-out. Aborting of transaction started by replication task may leads to inconsistent state at target which needs additional overhead to clean-up. So, it is proposed to mark the transactions opened by replication task as special ones and shouldn't be aborted if heart beat is lost. This helps to ensure all ABORT and COMMIT events will always find the corresponding txn at target to operate.
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