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https://issues.apache.org/jira/browse/HIVE-15240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15684525#comment-15684525
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Sergey Shelukhin commented on HIVE-15240:
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It seems like some stats tests have failed... makes sense otherwise.
> Updating/Altering stats in metastore can be expensive in S3
> -----------------------------------------------------------
>
> Key: HIVE-15240
> URL: https://issues.apache.org/jira/browse/HIVE-15240
> Project: Hive
> Issue Type: Improvement
> Components: Metastore
> Reporter: Rajesh Balamohan
> Assignee: Rajesh Balamohan
> Priority: Minor
> Attachments: HIVE-15240.1.patch
>
>
> https://github.com/apache/hive/blob/master/metastore/src/java/org/apache/hadoop/hive/metastore/HiveAlterHandler.java#L630
> https://github.com/apache/hive/blob/master/metastore/src/java/org/apache/hadoop/hive/metastore/MetaStoreUtils.java#L367
> If there are 100 partitions, it iterates every partition to determine its
> location taking up more than good amount of time.
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