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Posted to issues@hive.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/04/03 16:19:00 UTC
[jira] [Commented] (HIVE-18720) Replicate Commit Txn operation
(without writes)
[ https://issues.apache.org/jira/browse/HIVE-18720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16424235#comment-16424235 ]
ASF GitHub Bot commented on HIVE-18720:
---------------------------------------
Github user maheshk114 closed the pull request at:
https://github.com/apache/hive/pull/307
> Replicate Commit Txn operation (without writes)
> -----------------------------------------------
>
> Key: HIVE-18720
> URL: https://issues.apache.org/jira/browse/HIVE-18720
> 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: pull-request-available
> Fix For: 3.0.0
>
>
> Add new EVENT_COMMIT_TXN to log the metadata/data of all tables/partitions modified within the txn.
> *Source warehouse:*
> - Create EVENT_COMMIT_TXN event type with corresponding message format etc.
> *Target warehouse:*
> - Repl load should read this event from the dump.
> - Validate the source txn ID from the event using the Source-Target Txn ID map maintained in target metastore. Also, need to check if corresponding target txn ID is valid.
> - If valid, then apply the event and commit the corresponding target transaction.
> - This new event should be idempotent such that if it is applied twice, then second time it should be loop.
> *{color:#d04437}{color}*
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