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From "Hive QA (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-23067) Use batch DB calls in TxnHandler for commitTxn and abortTxns
Date Fri, 03 Apr 2020 19:37:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-23067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17074849#comment-17074849
] 

Hive QA commented on HIVE-23067:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12998700/HIVE-23067.6.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:green}SUCCESS:{color} +1 due to 18172 tests passed

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/21425/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/21425/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-21425/

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: 12998700 - PreCommit-HIVE-Build

> Use batch DB calls in TxnHandler for commitTxn and abortTxns
> ------------------------------------------------------------
>
>                 Key: HIVE-23067
>                 URL: https://issues.apache.org/jira/browse/HIVE-23067
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Marton Bod
>            Assignee: Marton Bod
>            Priority: Major
>         Attachments: HIVE-23067.1.patch, HIVE-23067.1.patch, HIVE-23067.1.patch, HIVE-23067.1.patch,
HIVE-23067.2.patch, HIVE-23067.2.patch, HIVE-23067.4.patch, HIVE-23067.5.patch, HIVE-23067.5.patch,
HIVE-23067.5.patch, HIVE-23067.5.patch, HIVE-23067.6.patch
>
>
> To reduce the number of database calls and network roundtrips, we could use more batching
in TxnHandler, where currently in many places we call insert commands in loops sequentially.
> Some examples:
>  * openTxns (TXNS, REPL_TXN_MAP)
>  * commitTxn (COMPLETED_TXN_COMPONENTS)
>  * replTableWriteIdState (TXN_TO_WRITE_ID)
>  * allocateTableWriteIds (TXN_TO_WRITE_ID)
>  * ....
>  



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