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https://issues.apache.org/jira/browse/HBASE-14772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-14772:
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Attachment: zombiev2.patch
Some small improvement... more dogged at figuring what test we are running when
zombie found. Let me add this and then massage in place.
> Improve zombie detector; be more discerning
> -------------------------------------------
>
> Key: HBASE-14772
> URL: https://issues.apache.org/jira/browse/HBASE-14772
> Project: HBase
> Issue Type: Sub-task
> Components: test
> Reporter: stack
> Attachments: zombie.patch, zombiev2.patch
>
>
> Currently, any surefire process with the hbase flag is a potential zombie.
> Our zombie check currently takes a reading and if it finds candidate zombies,
> it waits 30 seconds and then does another reading. If a concurrent build
> going on, in both cases the zombie detector will come up positive though the
> adjacent test run may be making progress; i.e. the cast of surefire processes
> may have changed between readings but our detector just sees presence of
> hbase surefire processes.
> Here is example:
> {code}
> Suspicious java process found - waiting 30s to see if there are just slow to
> stop
> There appear to be 5 zombie tests, they should have been killed by surefire
> but survived
> 12823 surefirebooter852180186418035480.jar -enableassertions -Dhbase.test
> -Xmx2800m -XX:MaxPermSize=256m -Djava.security.egd=file:/dev/./urandom
> -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true
> 7653 surefirebooter8579074445899448699.jar -enableassertions -Dhbase.test
> -Xmx2800m -XX:MaxPermSize=256m -Djava.security.egd=file:/dev/./urandom
> -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true
> 12614 surefirebooter136529596936417090.jar -enableassertions -Dhbase.test
> -Xmx2800m -XX:MaxPermSize=256m -Djava.security.egd=file:/dev/./urandom
> -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true
> 7836 surefirebooter3217047564606450448.jar -enableassertions -Dhbase.test
> -Xmx2800m -XX:MaxPermSize=256m -Djava.security.egd=file:/dev/./urandom
> -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true
> 13566 surefirebooter2084039411151963494.jar -enableassertions -Dhbase.test
> -Xmx2800m -XX:MaxPermSize=256m -Djava.security.egd=file:/dev/./urandom
> -Djava.net.preferIPv4Stack=true -Djava.awt.headless=true
> ************ BEGIN zombies jstack extract
> ************ END zombies jstack extract
> {code}
> 5 is the number of forked processes we allow when doing medium and large
> tests.... so an adjacent build will always show as '5 zombies'.
> Need to add discerning if list of processes changes between readings.
> Can I also add a tag per build run that all forked processes pick up so I can
> look at the current builds progeny only?
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