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https://issues.apache.org/jira/browse/HIVE-19813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16505788#comment-16505788
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Hive QA commented on HIVE-19813:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12926966/HIVE-19813.2.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 14509 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.ql.lockmgr.TestDbTxnManager2.testMetastoreTablesCleanup
(batchId=303)
{noformat}
Test results:
https://builds.apache.org/job/PreCommit-HIVE-Build/11611/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/11611/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-11611/
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
Tests exited with: TestsFailedException: 1 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12926966 - PreCommit-HIVE-Build
> SessionState.start don't have to be synchronized
> ------------------------------------------------
>
> Key: HIVE-19813
> URL: https://issues.apache.org/jira/browse/HIVE-19813
> Project: Hive
> Issue Type: Bug
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Priority: Major
> Attachments: HIVE-19813.1.patch, HIVE-19813.2.patch
>
>
> This is introduced in HIVE-14690. However, only check-set block needs to be
> synchronized, not the whole block. The method will start Tez AM, which is a
> long operation. Make the method synchronized will serialize session start
> thus slow down hs2.
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