mapreduce problem
Hi, I am new to map-reduce programming model , I am writing a MR that will process the log file and results are written to different files on hdfs based on some values in the log file The program is working fine even if I haven't done any processing in reducer ,I am not getting how to use reducer for solving my problem efficiently Can anybody please help me on this. DISCLAIMER == This e-mail may contain privileged and confidential information which is the property of Persistent Systems Ltd. It is intended only for the use of the individual or entity to which it is addressed. If you are not the intended recipient, you are not authorized to read, retain, copy, print, distribute or use this message. If you have received this communication in error, please notify the sender and delete all copies of this message. Persistent Systems Ltd. does not accept any liability for virus infected mails.
Re: mapreduce problem
MultipleOutputFormat would be what you want. It supplies multiple files as output. I can paste some code here if you want.. 2009/4/2 Vishal Ghawate vishal_ghaw...@persistent.co.in Hi, I am new to map-reduce programming model , I am writing a MR that will process the log file and results are written to different files on hdfs based on some values in the log file The program is working fine even if I haven't done any processing in reducer ,I am not getting how to use reducer for solving my problem efficiently Can anybody please help me on this. DISCLAIMER == This e-mail may contain privileged and confidential information which is the property of Persistent Systems Ltd. It is intended only for the use of the individual or entity to which it is addressed. If you are not the intended recipient, you are not authorized to read, retain, copy, print, distribute or use this message. If you have received this communication in error, please notify the sender and delete all copies of this message. Persistent Systems Ltd. does not accept any liability for virus infected mails. -- M. Raşit ÖZDAŞ