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https://issues.apache.org/jira/browse/HADOOP-4957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12659922#action_12659922
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Konstantin Shvachko commented on HADOOP-4957:
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> Are you saying that we should let the monitor run even there is a bug in it?
I am saying that this is inconsistent: either the name-node should die with the
monitor or the monitor should continue to run if the name-node is running.
> Lease monitor should not fail on a live name-node.
> --------------------------------------------------
>
> Key: HADOOP-4957
> URL: https://issues.apache.org/jira/browse/HADOOP-4957
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.18.3
> Reporter: Konstantin Shvachko
> Assignee: Tsz Wo (Nicholas), SZE
> Fix For: 0.20.0
>
>
> If a runtime exception is thrown inside the lease monitor, as it happened in
> HADOOP-4951, the monitor will die although the name-node will continue to
> run. The problem is that abandoned files will not be garbage collected.
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