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https://issues.apache.org/jira/browse/HIVE-22469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16970688#comment-16970688
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Hive QA commented on HIVE-22469:
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m
48s{color} | {color:green} The patch has no ill-formed XML file. {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
45s{color} | {color:green} The patch does not generate ASF License warnings.
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| {color:black}{color} | {color:black} {color} | {color:black} 2m 32s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests | asflicense xml |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian
3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-19360/dev-support/hive-personality.sh
|
| git revision | master / 4d4ab36 |
| modules | C: . U: . |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-19360/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> Lower Metastore DB Connection Pool Size in QTests
> -------------------------------------------------
>
> Key: HIVE-22469
> URL: https://issues.apache.org/jira/browse/HIVE-22469
> Project: Hive
> Issue Type: Improvement
> Components: Test, Tests
> Affects Versions: 3.2.0
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Minor
> Attachments: HIVE-22469.1.patch, HIVE-22469.2.patch,
> HIVE-22469.3.patch
>
>
> Hive Metastore uses the 'HikariCP' database connection pool. The default
> number of connections to the database is 10. For the Qtests, connecting to a
> local DerbyDB, there need not be more than 4 connections. Anymore simply adds
> undo overhead and by looking at the QTest logs, I see a bunch of 'connection
> refused' from HikariCP. It may be the case that the standalone DB does not
> support that many concurrent connections anyway.
> [https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-MetaStore]
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