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From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4957) Lease monitor should not fail on a live name-node.
Date Wed, 31 Dec 2008 20:41:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12660146#action_12660146

Nigel Daley commented on HADOOP-4957:

A reminder that our Code Review Guidelines (http://wiki.apache.org/hadoop/CodeReviewChecklist)
- look for accidental propagation of exceptions
- look for unanticipated runtime exceptions
If these guidelines were more consistently followed, they types of problems could be averted.

> 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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