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https://issues.apache.org/jira/browse/HDFS-14680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16898520#comment-16898520
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He Xiaoqiao commented on HDFS-14680:
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Thanks [~zhangchen] for your pings and sorry for late response since leave of
absence for some days.
I am have no experience about StorageInfoDefragmenter, just quick review the
logic and I agree that it may `too radical` to terminate NameNode when meet any
'Throwable'/'RuntimeException'.
cc [~jojochuang], I believe it is little probability to meet RuntimeException
as you said above, do we need change it more elastically? Please correct me if
I understand wrong. Thanks.
> 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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