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https://issues.apache.org/jira/browse/HADOOP-4807?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devaraj Das updated HADOOP-4807:
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Attachment: 4807.patch
Attached patch provides the functionality. The patch adds a new class
TaskInProgressStatus that is passed along in the status report (like when the
method JobSubmissionProtocol.getMapTaskReports() is invoked) to the client.
Also, the ClusterStatus now has the list of active trackers.
Provided the following new command line options in the JobClient:
1) -list-trackers : display the list of active trackers in the cluster
2) -list-attempt-ids <jobId> <task-type> <task-state> : displays the list of
tasks for a given job of a give type (like map or reduce) currently in a
particular state (running or completed).
> Add framework hooks to get the running/completed/pending tasks for a given
> job. Add a way to query the list of currently active tasktrackers from the
> JobTracker.
> -----------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-4807
> URL: https://issues.apache.org/jira/browse/HADOOP-4807
> Project: Hadoop Core
> Issue Type: Sub-task
> Components: mapred
> Reporter: Devaraj Das
> Assignee: Devaraj Das
> Fix For: 0.20.0
>
> Attachments: 4807.patch
>
>
> Add framework hooks to get the IDs of running/completed/pending tasks for a
> given job. Add a way to query the list of currently active tasktrackers from
> the JobTracker. These are required to inject failures.
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