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https://issues.apache.org/jira/browse/HIVE-27804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vikram Ahuja updated HIVE-27804:
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Summary: Implement batching in getPartition calls which returns partition
list along with auth info (was: Implement batching in getPartition calls which
returns auth info)
> Implement batching in getPartition calls which returns partition list along
> with auth info
> ------------------------------------------------------------------------------------------
>
> Key: HIVE-27804
> URL: https://issues.apache.org/jira/browse/HIVE-27804
> Project: Hive
> Issue Type: Bug
> Reporter: Vikram Ahuja
> Assignee: Vikram Ahuja
> Priority: Major
>
> Hive.getPartitions() methods returns partition list along with auth info in
> one HMS call. These calls when made on wide tables(> 2000 columns) with very
> large number of partitions(100,000+) can cause memory related issues when the
> data is being transferred from HMS to HS2 using Thrift calls. These APIs can
> be optimised by using PartitionIterable implementation where the partition
> list if fetched in batched of a smaller size rather than one huge call.
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