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I know port 22 is only used for control scripts.

But i need to know what ports I should open for my 3 node cluster. 2 slaves, 1 namenode/jobtracker.

On what port do the daemons run? On what ports are the URLs displayed?

The hadoop distro is: Apache Hadoop version 1.0.3

user836087
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2 Answers2

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By URL I assume you mean the JobTracker and TaskTracker interfaces. The breakdown is as follows:

Namenode                50070   
Datanodes               50075 
Secondarynamenode       50090 
JobTracker              50030   
TaskTracker             50060
Eric Alberson
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  • I only have 2 ports available due to restrictions by our firewall team. 7000 and 7199. How can I view all the URLS for hadoop administration by just these 2 ports? – user836087 Nov 16 '12 at 21:20
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Here are the default port number in Hadoop.

Praveen Sripati
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  • I only have 2 ports available due to restrictions by our firewall team. 7000 and 7199. How can I view all the URLS for hadoop administration by just these 2 ports? – user836087 Nov 16 '12 at 21:19