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https://issues.apache.org/jira/browse/HIVE-25501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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László Bodor resolved HIVE-25501.
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Fix Version/s: 4.0.0
Resolution: Fixed
PR merged to master, thanks [~rajesh.balamohan] for the review!
> Provide a configurable filter for removing useless properties from
> PartitionDesc objects before MapWork serialization
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-25501
> URL: https://issues.apache.org/jira/browse/HIVE-25501
> Project: Hive
> Issue Type: Improvement
> Reporter: László Bodor
> Assignee: László Bodor
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> This is due to performance considerations. When a large amount of partitions
> is present in MapWork, serializing useless properties (coming from metastore
> as a partititon metadata) could become a bottleneck, which can even lead to
> OOM in Tez AM if the dag plan becomes large.
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