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Posted to issues@hive.apache.org by "Ashutosh Chauhan (Jira)" <ji...@apache.org> on 2020/04/29 14:46:00 UTC

[jira] [Commented] (HIVE-23318) TxnHandler need not delete from MATERIALIZATION_REBUILD_LOCKS on need basis

    [ https://issues.apache.org/jira/browse/HIVE-23318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17095512#comment-17095512 ] 

Ashutosh Chauhan commented on HIVE-23318:
-----------------------------------------

[~jcamachorodriguez] safe to remove these sql statements?

> TxnHandler need not delete from MATERIALIZATION_REBUILD_LOCKS on need basis
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-23318
>                 URL: https://issues.apache.org/jira/browse/HIVE-23318
>             Project: Hive
>          Issue Type: Improvement
>          Components: Hive
>            Reporter: Rajesh Balamohan
>            Priority: Minor
>
> Observed the following queries when materialized view or any of its feature was not used. 
> TxnHandler need not clear this part of txn commit. It would help in reducing the sql parsing time in server side as well.
> {noformat}
>   G....delete from MATERIALIZATION_REBUILD_LOCKS where mrl_txn_id = 120398082
>   G....delete from MATERIALIZATION_REBUILD_LOCKS where mrl_txn_id = 120398084
>   G....delete from MATERIALIZATION_REBUILD_LOCKS where mrl_txn_id = 120398112
> {noformat}



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