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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1484) Kill jobs from web interface
Date Wed, 13 Jun 2007 19:24:26 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12504382

Doug Cutting commented on HADOOP-1484:

As it stands, one can safely expose the jobtracker web ui without worrying that malefactors
will vandalize your cluster.  But adding the ability to kill jobs removes that safety.  Should
we wait until some, even if simple, authentication and/or authorization mechanism is added
to Hadoop?

Alternately, we could have a separate web service, running on a separate port that permits
both submitting and killing jobs.  The primary web ui could link to this (i.e., killing a
job would post to a url at that second port).  Then only folks who can access that second
port could submit and kill jobs.  This is similar to the current situation, since the jobtracker
uses a different port for the JobSubmissionProtocol.

> Kill jobs from web interface
> ----------------------------
>                 Key: HADOOP-1484
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1484
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.14.0
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>            Priority: Minor
>             Fix For: 0.14.0
>         Attachments: jobdetails.jsp.html, web_ui_kill_job_v1.0.patch, web_ui_kill_job_v1.1.patch
> Killing job's is only possible through command line. We need killing job from the web
interface. Ideally all the actions that can be done using command line tools should be available
in the web interface 

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