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Posted to common-dev@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2008/07/09 16:39:33 UTC
[jira] Created: (HADOOP-3727) TaskTracker directoryCleanupThread
never gets terminated
TaskTracker directoryCleanupThread never gets terminated
--------------------------------------------------------
Key: HADOOP-3727
URL: https://issues.apache.org/jira/browse/HADOOP-3727
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Affects Versions: 0.19.0
Reporter: Steve Loughran
Priority: Minor
When a task tracker starts its work it calls startCleanupThreads() to create a directoryCleanupThread.
only, that thread is never terminated; it runs for the life of the process.
It should be terminated when the TaskTracker itself is terminated, presumably after it has done the last cleanup.
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[jira] Commented: (HADOOP-3727) TaskTracker directoryCleanupThread
never gets terminated
Posted by "Steve Loughran (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12612141#action_12612141 ]
Steve Loughran commented on HADOOP-3727:
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One aspect of the taskCleanupThread is that it holds an implicit reference to the TaskThread, so until the TaskCleanupThread is terminated, the TaskTracker and its memory will be retained.
> TaskTracker directoryCleanupThread never gets terminated
> --------------------------------------------------------
>
> Key: HADOOP-3727
> URL: https://issues.apache.org/jira/browse/HADOOP-3727
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.19.0
> Reporter: Steve Loughran
> Priority: Minor
>
> When a task tracker starts its work it calls startCleanupThreads() to create a directoryCleanupThread.
> only, that thread is never terminated; it runs for the life of the process.
> It should be terminated when the TaskTracker itself is terminated, presumably after it has done the last cleanup.
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[jira] Commented: (HADOOP-3727) TaskTracker directoryCleanupThread
never gets terminated
Posted by "Steve Loughran (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-3727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12612140#action_12612140 ]
Steve Loughran commented on HADOOP-3727:
----------------------------------------
Same for taskCleanupThread
> TaskTracker directoryCleanupThread never gets terminated
> --------------------------------------------------------
>
> Key: HADOOP-3727
> URL: https://issues.apache.org/jira/browse/HADOOP-3727
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.19.0
> Reporter: Steve Loughran
> Priority: Minor
>
> When a task tracker starts its work it calls startCleanupThreads() to create a directoryCleanupThread.
> only, that thread is never terminated; it runs for the life of the process.
> It should be terminated when the TaskTracker itself is terminated, presumably after it has done the last cleanup.
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