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https://issues.apache.org/jira/browse/HDFS-14680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16896418#comment-16896418
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Wei-Chiu Chuang commented on HDFS-14680:
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Do you have some sample logs or stack traces? I don't recall seeing this
happening.
What is the version of Hadoop you're running? Did you see, for example, high GC
pauses or does it happen at a very large cluster?
> StorageInfoDefragmenter should handle exceptions gently
> -------------------------------------------------------
>
> Key: HDFS-14680
> URL: https://issues.apache.org/jira/browse/HDFS-14680
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Chen Zhang
> Priority: Major
>
> StorageInfoDefragmenter is responsible for FoldedTreeSet compaction, but it
> terminates NameNode on any exception, is it too radical?
> I mean, even the critical threads like HeartbeatManager don't terminates
> NameNode once they encounter exceptions, StorageInfoDefragmenter should not
> do that either.
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