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https://issues.apache.org/jira/browse/HADOOP-15153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16310017#comment-16310017
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Brahma Reddy Battula commented on HADOOP-15153:
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[~aw] thanks for prompt reply.
bq.a) The limit was increased in trunk because of JDK8 + surefire upgrade.
ok.
bq.b) Java threads show up as processes on Linux kernels. Due to limits placed
around # of processes, new threads can't be spawned. Java mistakenly reports
these as "out of memory". See also INFRA-15685 where the limit is getting
raised.
Hoping INFRA-15685 will be pushed soon so that jenkins will be happy..will
close this jira once INFRA is getting resolved..?
bq.c) branch-2's version of surefire doesn't kill timed out unit tests
properly. This results in MASSIVE process counts, exacerbating the problem
pointed out in B. Since there are two executors on each build node which means
that anything running alongside of a branch-2 build will likely die.
AFAIK,this problem with only HDFS project.
> [branch-2.8] Increase heap memory to avoid the OOM in pre-commit
> ----------------------------------------------------------------
>
> Key: HADOOP-15153
> URL: https://issues.apache.org/jira/browse/HADOOP-15153
> Project: Hadoop Common
> Issue Type: Bug
> Components: build
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
> Attachments: HADOOP-15153-branch-2.8.patch
>
>
> Refernce:
> https://builds.apache.org/job/PreCommit-HDFS-Build/22528/consoleFull
> https://builds.apache.org/job/PreCommit-HDFS-Build/22528/artifact/out/branch-mvninstall-root.txt
> {noformat}
> [ERROR] unable to create new native thread -> [Help 1]
> [ERROR]
> [ERROR] To see the full stack trace of the errors, re-run Maven with the -e
> switch.
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR]
> [ERROR] For more information about the errors and possible solutions, please
> read the following articles:
> [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/OutOfMemoryError
> {noformat}
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