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https://issues.apache.org/jira/browse/HADOOP-4818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12655093#action_12655093
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Ari Rabkin commented on HADOOP-4818:
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This appears both useful and correct. +1
> Enable JobTracker Instrumentation API with user job configuration
> -----------------------------------------------------------------
>
> Key: HADOOP-4818
> URL: https://issues.apache.org/jira/browse/HADOOP-4818
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Environment: Redhat EL 5, Java 6
> Reporter: Eric Yang
> Assignee: Eric Yang
> Fix For: 0.20.0
>
> Attachments: HADOOP-4818.patch
>
>
> The JobTracker Instrumentation API is currently sending JobTracker
> configuration to submitJob(conf, JobID) call. Instead, this should be
> changed to submitJob(job.getJobConf(), JobID) to obtain job related
> configuration. i.e., if Chukwa could use this API to find out the job
> history file location. In addition, the API should be public for general
> public to implement useful utilities to interface with this API.
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