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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4647) NamenodeFsck creates a new DFSClient but never closes it
Date Mon, 17 Nov 2008 19:01:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12648253#action_12648253
] 

Tsz Wo (Nicholas), SZE commented on HADOOP-4647:
------------------------------------------------

In build #3596, TestFsck failed at line 77: DFSTestUtil.waitReplication(...) during the test
setup.  Fsck was not involved yet.  There are a lot of following messages in the log.
{noformat}
[junit] 2008-11-17 11:19:37,661 INFO  FSNamesystem.audit (FSNamesystem.java:logAuditEvent(107))
- ugi=hudson,hudson
	ip=/127.0.0.1	cmd=open	src=/srcdat/57758981436956897	dst=null	perm=null
[junit] File /srcdat/57758981436956897 has replication factor 4
[junit] Waiting for replication factor to drain
{noformat}
It seems that the file 57758981436956897 somehow has replication factor 4 and won't drain
back to 3.

> NamenodeFsck creates a new DFSClient but never closes it
> --------------------------------------------------------
>
>                 Key: HADOOP-4647
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4647
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: 4647_20081113.patch, 4647_20081113b.patch
>
>
> In NamenodeFsck.lostFoundMove(FileStatus file, LocatedBlocks blocks), a new DFSClient
is created but never closed.

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