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Posted to issues@hive.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/08/11 02:31:00 UTC
[jira] [Work logged] (HIVE-24022) Optimise
HiveMetaStoreAuthorizer.createHiveMetaStoreAuthorizer
[ https://issues.apache.org/jira/browse/HIVE-24022?focusedWorklogId=468978&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-468978 ]
ASF GitHub Bot logged work on HIVE-24022:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Aug/20 02:30
Start Date: 11/Aug/20 02:30
Worklog Time Spent: 10m
Work Description: sam-an-cloudera opened a new pull request #1385:
URL: https://github.com/apache/hive/pull/1385
They are many calls to createHiveMetastoreAuthorizer, and for each call, we are creating HiveConf, which is slow. We can use the ThreadLocal conf, so that each thread only creates it once.
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Issue Time Tracking
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Worklog Id: (was: 468978)
Remaining Estimate: 0h
Time Spent: 10m
> Optimise HiveMetaStoreAuthorizer.createHiveMetaStoreAuthorizer
> --------------------------------------------------------------
>
> Key: HIVE-24022
> URL: https://issues.apache.org/jira/browse/HIVE-24022
> Project: Hive
> Issue Type: Improvement
> Reporter: Rajesh Balamohan
> Priority: Minor
> Labels: performance
> Time Spent: 10m
> Remaining Estimate: 0h
>
> For a table with 3000+ partitions, analyze table takes a lot longer time as HiveMetaStoreAuthorizer tries to create HiveConf for every partition request.
>
> [https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/security/authorization/plugin/metastore/HiveMetaStoreAuthorizer.java#L319]
>
> [https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/security/authorization/plugin/metastore/HiveMetaStoreAuthorizer.java#L447]
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