[HADOOP-7809] Backport HADOOP-5839 to 0.20-security - fixes to ec2 scripts to allow remote job submission

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Won't Do
• Component/s: contrib/cloud
• Target Version/s: 1.3.0
• Assignee: Unassigned
• Reporter: Joydeep Sen Sarma
• Created: 09/Nov/11 01:38
• Updated: 03/Jan/19 19:48
• Resolved: 03/Jan/19 19:48

Description

The fix for HADOOP-5839 was committed to 0.21 more than a year ago. This bug is to backport the change (which is only 14 lines) to branch-0.20-security.
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Original description:
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).

Issue Links

• is a clone of: HADOOP-5839 fixes to ec2 scripts to allow remote job submission