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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/09/14 09:08:00 UTC
[jira] [Work logged] (HIVE-25501) Provide a configurable filter for
removing useless properties from PartitionDesc objects before MapWork
serialization
[ https://issues.apache.org/jira/browse/HIVE-25501?focusedWorklogId=650435&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-650435 ]
ASF GitHub Bot logged work on HIVE-25501:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 14/Sep/21 09:07
Start Date: 14/Sep/21 09:07
Worklog Time Spent: 10m
Work Description: abstractdog merged pull request #2620:
URL: https://github.com/apache/hive/pull/2620
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Issue Time Tracking
-------------------
Worklog Id: (was: 650435)
Time Spent: 1h (was: 50m)
> 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: 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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