Hi Mausoud Set -D mapred.reduce.tasks=n; ie to any higher value. Sent from BlackBerry® on Airtel
-----Original Message----- From: Masoud <mas...@agape.hanyang.ac.kr> Date: Tue, 20 Mar 2012 17:52:58 To: <common-user@hadoop.apache.org> Reply-To: common-user@hadoop.apache.org Subject: Increasing number of Reducers Hi all, we have a cluster with 32 machines and running C# version of wordcount program on it. Map phase is done by different machines but Reduce is only done by one machine. Our data is around 7G text data and by using one machine for Reduce phase this job is doing so slowly. Is there any way to increase number of reducers? Thanks Masoud
