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https://issues.apache.org/jira/browse/HIVE-25187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17458555#comment-17458555
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Sourabh Goyal commented on HIVE-25187:
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Related jira: HIVE-25800
> Reduce number of getPartition calls during loadDynamicPartitions for Managed
> Tables
> -----------------------------------------------------------------------------------
>
> Key: HIVE-25187
> URL: https://issues.apache.org/jira/browse/HIVE-25187
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Narayanan Venkateswaran
> Priority: Major
>
> When dynamic partitions are loaded, Hive::loadDynamicPartition loads all
> partitions from HMS causing heavy load on it. This becomes worse when large
> number of partitions are present in tables.
> Only relevant partitions being loaded in dynamic partitions can be queried
> from HMS for partition existence.
> [https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java#L2958]
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