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From "Matt Foley (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-7809) Backport HADOOP-5839 to 0.20-security - fixes to ec2 scripts to allow remote job submission
Date Wed, 09 Nov 2011 01:39:52 GMT
Backport HADOOP-5839 to 0.20-security - fixes to ec2 scripts to allow remote job submission
-------------------------------------------------------------------------------------------

                 Key: HADOOP-7809
                 URL: https://issues.apache.org/jira/browse/HADOOP-7809
             Project: Hadoop Common
          Issue Type: Improvement
          Components: contrib/cloud
            Reporter: Joydeep Sen Sarma
            Assignee: Joydeep Sen Sarma
             Fix For: 0.21.0
         Attachments: 5839.1.patch, hadoop-5839.2.patch

i would very much like the option of submitting jobs from a workstation outside ec2 to a hadoop
cluster in ec2. This has been explored here:

http://www.nabble.com/public-IP-for-datanode-on-EC2-tt19336240.html

the net result of this is that we can make this work (along with using a socks proxy) with
a couple of changes in the ec2 scripts:
a) use public 'hostname' for fs.default.name setting (instead of the private hostname being
used currently)
b) mark hadoop.rpc.socket.factory.class.default as final variable in the generated hadoop-site.xml
(that applies to server side)

#a has no downside as far as i can tell since public hostnames resolve to internal/private
IP addresses within ec2 (so traffic is optimally routed).

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