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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19605) TAB_COL_STATS table has no index on db/table name
Date Wed, 06 Jun 2018 15:41:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16503468#comment-16503468
] 

Hive QA commented on HIVE-19605:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12926443/HIVE-19605.02.patch

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

{color:green}SUCCESS:{color} +1 due to 14467 tests passed

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/11559/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/11559/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-11559/

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: 12926443 - PreCommit-HIVE-Build

> TAB_COL_STATS table has no index on db/table name
> -------------------------------------------------
>
>                 Key: HIVE-19605
>                 URL: https://issues.apache.org/jira/browse/HIVE-19605
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>            Reporter: Todd Lipcon
>            Assignee: Vihang Karajgaonkar
>            Priority: Major
>         Attachments: HIVE-19605.01.patch, HIVE-19605.02.patch
>
>
> The TAB_COL_STATS table is missing an index on (CAT_NAME, DB_NAME, TABLE_NAME). The getTableColumnStatistics
call queries based on this tuple. This makes those queries take a significant amount of time
in large metastores since they do a full table scan.



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