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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-19971) TestRuntimeStats.testCleanup() is flaky
Date Wed, 27 Jun 2018 07:37:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-19971?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16524711#comment-16524711
] 

Hive QA commented on HIVE-19971:
--------------------------------

| (/) *{color:green}+1 overall{color}* |
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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:green}+1{color} | {color:green} mvninstall {color} | {color:green}  7m 58s{color}
| {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 44s{color} |
{color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 17s{color}
| {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  3m 13s{color} | {color:blue}
standalone-metastore in master has 228 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 55s{color} |
{color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 49s{color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 42s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 42s{color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 17s{color}
| {color:green} the patch passed {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} findbugs {color} | {color:green}  3m 23s{color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 54s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 12s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 19m 53s{color} | {color:black}
{color} |
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|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u1 (2016-09-03)
x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /data/hiveptest/working/yetus_PreCommit-HIVE-Build-12180/dev-support/hive-personality.sh
|
| git revision | master / 966b83e |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| modules | C: standalone-metastore U: standalone-metastore |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-12180/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> TestRuntimeStats.testCleanup() is flaky
> ---------------------------------------
>
>                 Key: HIVE-19971
>                 URL: https://issues.apache.org/jira/browse/HIVE-19971
>             Project: Hive
>          Issue Type: Task
>            Reporter: Andrew Sherman
>            Assignee: Andrew Sherman
>            Priority: Major
>         Attachments: HIVE-19971.1.patch, HIVE-19971.2.patch, HIVE-19971.3.patch
>
>
> This test is timing dependent and sometimes fails. [You can see that it sometimes fails
in otherwise clean runs|https://issues.apache.org/jira/issues/?jql=text%20~%20%22TestRuntimeStats%22].  The
test inserts a stat, sleeps for 2 seconds, inserts another stat, then deletes stats that are
older than 1 second. The test asserts that exactly one stat is deleted. If the deletion is
slow for some reason (perhaps a GC?) then 2 stats will be deleted and the test will fail.
The trouble is that the 1 second window is too small to work consistently.



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