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From Josh Elser <josh.el...@gmail.com>
Subject Re: Orphaned MAC processes
Date Wed, 31 Aug 2016 16:23:07 GMT
Ugh, ok. I feel less alone now :)

Thanks guys.

Dylan Hutchison wrote:
> I have noticed it many times in the past.  I think they popped up when I
> launched a test that crashed the tserver with an exception.  When I was
> doing development this happened often enough that I made a script to do
> grep and kill them.  Under normal circumstances they die as normal.
>
> On Wed, Aug 31, 2016 at 8:41 AM, Josh Elser<josh.elser@gmail.com>  wrote:
>
>> Tried running the ITs overnight for 1.8.0rc3
>>
>> {noformat}
>> Running org.apache.accumulo.test.replication.UnorderedWorkAssignerRe
>> plicationIT
>> OpenJDK 64-Bit Server VM warning: INFO: os::commit_memory(0x00000000f1900000,
>> 157810688, 0) failed; error='Cannot allocate memory' (errno=12)
>> #
>> # There is insufficient memory for the Java Runtime Environment to
>> continue.
>> # Native memory allocation (malloc) failed to allocate 157810688 bytes for
>> committing reserved memory.
>> # An error report file with more information is saved as:
>> # /home/elserj/accumulo-180-rc3/accumulo-1.8.0-src/test/hs_err_pid5342.log
>> Running org.apache.accumulo.test.replication.KerberosReplicationIT
>> Running org.apache.accumulo.test.replication.ReplicationRandomWalkIT
>> Running org.apache.accumulo.test.replication.SequentialWorkAssignerIT
>> Running org.apache.accumulo.test.replication.GarbageCollectorCommuni
>> catesWithTServersIT
>> Running org.apache.accumulo.test.replication.WorkMakerIT
>> zsh: killed     mvn verify -fn
>> {noformat}
>>
>> What I'm seeing now is that I have 28 orphaned Java processes, all of them
>> appear to be from MAC on these specific test classes.
>>
>> Has anyone else noticed that we're leaking these processes? Are we not
>> launching them correctly such that when the PPID dies, they continue to
>> live?
>>
>

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