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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1484) Kill jobs from web interface
Date Thu, 14 Jun 2007 18:38:26 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12504868
] 

Doug Cutting commented on HADOOP-1484:
--------------------------------------

> so anybody who can look at the web service can just run bin/hadoop job -kill from a command
line

No, those use different ports, and port-based firewalling is very simple to configure.  See
for example:

http://wiki.apache.org/lucene-hadoop/AmazonEC2#head-23e4c278d347754eaa01fea0ca36298f25ee82bc

The standard configuration on EC2 permits public access to the web interface, but blocks all
other access.  To launch or kill jobs or modify the filesystem you must be able to ssh into
the cluster.  This is primitive security, but it still should not be discarded lightly.


> 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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