Hi, Since you didn't get an answer... yes you can.
I'm working from memory so I may be a bit fuzzy on the details... Your external app has to be 'cloud aware'. Essentially create a config file for your application that you can read in which lets your app know where the JT and NN are. Then you can use the Tool (?interface/class) implement/extend with your job class and tell it to run... Sorry for being terse... I'm under the gun on getting something out the door. HTH -Mike -----Original Message----- From: Sebastian Ruff (open4business GmbH) [mailto:r...@open4business.de] Sent: Wednesday, July 28, 2010 7:27 AM To: common-dev@hadoop.apache.org Subject: Starting a job on a hadoop cluster remotly Hey, is it possible to start a job on a hadoop cluster from remote. For example we have a web application which runs on an apache tomcat server. And would like to start a mapreduce job on our cluster, from within the webapp. Is this possible? And if yes, what are the steps to get there? Do I just have to put my namenode and datanode in a core-site.xml in the webapp and call the api? Thanks a lot, Sebastian The information contained in this communication may be CONFIDENTIAL and is intended only for the use of the recipient(s) named above. If you are not the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication, or any of its contents, is strictly prohibited. If you have received this communication in error, please notify the sender and delete/destroy the original message and any copy of it from your computer or paper files.
