[jira] [Resolved] (HIVE-22383) `alterPartitions` is invoked twice during dynamic partition load causing runtime delay

["Dmitriy Fingerman (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-22383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dmitriy Fingerman resolved HIVE-22383.
--------------------------------------
    Fix Version/s: 4.0.0
       Resolution: Fixed

> `alterPartitions` is invoked twice during dynamic partition load causing runtime delay
> --------------------------------------------------------------------------------------
>
>                 Key: HIVE-22383
>                 URL: https://issues.apache.org/jira/browse/HIVE-22383
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Rajesh Balamohan
>            Assignee: Dmitriy Fingerman
>            Priority: Major
>              Labels: performance, pull-request-available
>             Fix For: 4.0.0
>
>          Time Spent: 2h
>  Remaining Estimate: 0h
>
> First invocation in {{Hive::loadDynamicPartitions}}
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java#L2978
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java#L2638
> Second invocation in {{BasicStatsTask::aggregateStats}}
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/stats/BasicStatsTask.java#L335
> This leads to good amount of delay in dynamic partition loading.
>  



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