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https://issues.apache.org/jira/browse/HADOOP-4124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hemanth Yamijala updated HADOOP-4124:
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Attachment: HADOOP-4124.patch
New patch merged with trunk. Adds a test case to test changing priority via job
client. Fixes find bugs warnings. Rest of the implementation remains.
Here's the output of test-patch:
[exec] +1 overall.
[exec] +1 @author. The patch does not contain any @author tags.
[exec] +1 tests included. The patch appears to include 6 new or
modified tests.
[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
I am going to run tests to make sure nothing's broken.
Would really appreciate if this makes 0.19.
> Changing priority of a job should be available in CLI and available on the
> web UI only along with the Kill Job actions
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-4124
> URL: https://issues.apache.org/jira/browse/HADOOP-4124
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Reporter: Hemanth Yamijala
> Assignee: Hemanth Yamijala
> Fix For: 0.19.0
>
> Attachments: HADOOP-4124.patch, HADOOP-4124.patch
>
>
> Currently, a job's priority can only be changed from the job tracker web UI.
> However, it is really similar (if not as destructive) as killing a job, in
> the sense that is should not be exposed publicly. The use case for this kind
> of restriction is where Hadoop is shared in production environments by
> different users, and they should not be allowed to change another user's
> priority. At the same time, it should be possible to still change a job's
> priority in some manner, if a user is authorized to do so, and the CLI can
> provide a way to do this, along with mechanisms introduced for ACLs in
> HADOOP-3698.
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