[jira] [Commented] (HIVE-5715) HS2 should not "start" a session for every command

["Hive QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-5715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13811106#comment-13811106 ] 

Hive QA commented on HIVE-5715:
-------------------------------



{color:green}Overall{color}: +1 all checks pass

Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12611493/HIVE-5715.2.patch

{color:green}SUCCESS:{color} +1 4547 tests passed

Test results: http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/99/testReport
Console output: http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/99/console

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
{noformat}

This message is automatically generated.

> HS2 should not "start" a session for every command
> --------------------------------------------------
>
>                 Key: HIVE-5715
>                 URL: https://issues.apache.org/jira/browse/HIVE-5715
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>    Affects Versions: 0.12.0
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>         Attachments: HIVE-5715.1.patch, HIVE-5715.2.patch
>
>
> HS2 calls SessionState.start multiple times (acquire, operation.run) - where it really just cares that the session is set in the thread local store. There are some calls in start session method now that preload stuff that's used during the session. Instead of doing that over and over again, I think it'd be nicer for HS2 to start a session once and then just do the thread local magic as needed.



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