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https://issues.apache.org/jira/browse/HIVE-23196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17086338#comment-17086338
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Hive QA commented on HIVE-23196:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/13000284/HIVE-23196.2.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:green}SUCCESS:{color} +1 due to 17131 tests passed
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/21738/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/21738/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-21738/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}
This message is automatically generated.
ATTACHMENT ID: 13000284 - PreCommit-HIVE-Build
> Reduce number of delete calls to NN during Context::clear
> ---------------------------------------------------------
>
> Key: HIVE-23196
> URL: https://issues.apache.org/jira/browse/HIVE-23196
> Project: Hive
> Issue Type: Improvement
> Reporter: Rajesh Balamohan
> Assignee: Attila Magyar
> Priority: Major
> Attachments: HIVE-23196.1.patch, HIVE-23196.2.patch
>
>
> {{Context::clear()}} ends up deleting same directories (or its subdirs)
> multiple times. It would be good to reduce the number of delete calls to NN
> for latency sensitive queries. This also has an impact on concurrent queries.
> {noformat}
> 2020-04-14T04:22:28,703 DEBUG [7c6a6b09-ab37-4bc8-93a5-5da6fb154899
> HiveServer2-Handler-Pool: Thread-378] ql.Context: Deleting result dir:
> hdfs://nn1:8020/tmp/hive/xyz/7c6a6b09-ab37-4bc8-93a5-5da6fb154899/hive_2020-04-14_04-22-24_335_8573832618972595103-13/-mr-10000
> 2020-04-14T04:22:28,721 DEBUG [7c6a6b09-ab37-4bc8-93a5-5da6fb154899
> HiveServer2-Handler-Pool: Thread-378] ql.Context: Deleting scratch dir:
> hdfs://nn1:8020/tmp/hive/xyz/7c6a6b09-ab37-4bc8-93a5-5da6fb154899/hive_2020-04-14_04-22-24_335_8573832618972595103-13
> 2020-04-14T04:22:28,737 DEBUG [7c6a6b09-ab37-4bc8-93a5-5da6fb154899
> HiveServer2-Handler-Pool: Thread-378] ql.Context: Deleting scratch dir:
> hdfs://nn1:8020/tmp/hive/xyz/7c6a6b09-ab37-4bc8-93a5-5da6fb154899/hive_2020-04-14_04-22-24_335_8573832618972595103-13/-mr-10000/.hive-staging_hive_2020-04-14_04-22-24_335_8573832618972595103-13{noformat}
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