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https://issues.apache.org/jira/browse/HADOOP-8571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13408081#comment-13408081
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Guillaume Nodet commented on HADOOP-8571:
-----------------------------------------
Yes, I want to first fix the 1.0 branch to be ready for OSGi and then backport
everything to trunk.
I'll upload real patches and attach them the usual way (btw, I'm an ASF
committer already, so I don't think such a grant is really needed in that case
anyway).
Related to the changes, I think the most problematic problem is related to
CleanupQueue which is a singleton with a thread wich is never stopped. I think
most of the other threads are controlled somehow, but I need to include the
following code when stopping the OSGi bundles to correctly stop all the threads:
{code}
FileSystem.closeAll();
CleanupQueue.getInstance().stop();
DefaultMetricsSystem.INSTANCE.shutdown();
{code}
> Improve resource cleaning when shutting down
> --------------------------------------------
>
> Key: HADOOP-8571
> URL: https://issues.apache.org/jira/browse/HADOOP-8571
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 1.0.0, 2.0.0-alpha, 3.0.0
> Reporter: Guillaume Nodet
>
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