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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3382) Memory leak when files are not cleanly closed
Date Tue, 13 May 2008 20:53:55 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12596529#action_12596529
] 

Tsz Wo (Nicholas), SZE commented on HADOOP-3382:
------------------------------------------------

abandonFileInProgress() in ClientProtocol is deprecated.  We should remove it as well.

> Memory leak when files are not cleanly closed
> ---------------------------------------------
>
>                 Key: HADOOP-3382
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3382
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.16.0
>            Reporter: Raghu Angadi
>            Assignee: Raghu Angadi
>
> {{FSNamesystem.internalReleaseCreate()}} in invoked on files that are open for writing
but not cleanly closed. e.g. when client invokes {{abandonFileInProgress()}} or when lease
expires. It deletes the last block if it has a length of zero. The block is deleted from the
file INode but not from {{blocksMap}}. Then leaves a reference to such file until NameNode
is restarted. When this happens  HADOOP-3381 multiplies amount of memory leak.

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