hadoop job is run slow in multicluster configuration

hello, My mapreduce program is slow in multi-cluster configuration. Reduce task is stuck at 16% . But the same program is running more faster in sudo-mode(single node). what can i do ??? I have only two machine. pls help me.. -- Ranjith k

Re: Creating another map reduce task in a map function

ask, yes. But what're > you looking to achieve by doing this? I believe there are other good > ways to chain jobs, if its that. > > On Sat, Apr 23, 2011 at 4:33 PM, ranjith k wrote: > > > > hello.. > > Is it possible to create an another map reduce task from

Creating another map reduce task in a map function

hello.. Is it possible to create an another map reduce task from inside the map function?? advance thanks... -- Ranjith k +918129419842

Creating custom input split.l

Hello. I need to create a custom input split. I need to split my input in to 50 line for one input split. How can i do it. And also there is an another problem for me. I have a file. But it is not in the form of text. It contain structure. I need to give one structure in to my map function as valu

Re: i can't get the file name in map program

Thank you.. On Sat, Apr 2, 2011 at 1:22 AM, Harsh J wrote: > Hello, > > (Inline reply.) > > On Fri, Apr 1, 2011 at 8:35 PM, ranjith k wrote: > > hello. > > I am new to hadoop map reduce programming. I need to write a map reduce > > program. I have a input

i can't get the file name in map program

hello. I am new to hadoop map reduce programming. I need to write a map reduce program. I have a input folder, it contain a 10 number of documents in text format. My aim is to write a map reduce program that read each text file and create the word count of each text file separately. My input split