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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 updated HIVE-25501:
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Summary: Provide a configurable filter for removing useless properties from
PartitionDesc objects before MapWork serialization (was: Provide a filter for
removing useless properties from PartitionDesc objects before MapWork
serialization)
> 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
> Time Spent: 50m
> 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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