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From "nkeywal (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4847) Activate single jvm for small tests on jenkins
Date Sun, 27 Nov 2011 20:59:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158015#comment-13158015
] 

nkeywal commented on HBASE-4847:
--------------------------------

Seems that the machine was not in its best state:
{noformat}
java.lang.OutOfMemoryError: unable to create new native thread
{noformat}

{noformat}
Error while running command to get file permissions : java.io.IOException: Cannot run program
"/bin/ls": java.io.IOException: error=11, Resource temporarily unavailable  at java.lang.ProcessBuilder.start(ProcessBuilder.java:460)
 at org.apache.hadoop.util.Shell.runCommand(Shell.java:200)  at org.apache.hadoop.util.Shell.run(Shell.java:182)
 at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:375)  at org.apache.hadoop.util.Shell.execCommand(Shell.java:461)
 at org.apache.hadoop.util.Shell.execCommand(Shell.java:444)  at org.apache.hadoop.fs.FileUtil.execCommand(FileUtil.java:703)
 at 
{noformat}

Will retry later.
                
> Activate single jvm for small tests on jenkins
> ----------------------------------------------
>
>                 Key: HBASE-4847
>                 URL: https://issues.apache.org/jira/browse/HBASE-4847
>             Project: HBase
>          Issue Type: Improvement
>          Components: build, test
>    Affects Versions: 0.94.0
>         Environment: build
>            Reporter: nkeywal
>            Assignee: nkeywal
>            Priority: Minor
>         Attachments: 4847_pom.patch, 4847_pom.v2.patch, 4847_pom.v2.patch, 4847_pom.v2.patch,
4847_pom.v3.patch
>
>
> This will not revolutionate performances alone. We will win between 1 to 4 minutes.
> But we win as well:
>  - it's a step for parallelizing the tests
>  - new tests are less expensive as they do not create a new jvm: it's a continuous win
>  - it will allow to push it on dev env while having the same env on dev & on build,
and 3 minutes are 10% of small + medium tests execution time.
> I will do a few "submit patch" to see if it works well before asking for the real commit.

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