Hi Unmesha, What is the computation you are trying to do? If you are interested in computing over multiple lines instead of a single line, have a look at NLineInputFormat.
Best Regards, Sonal Nube Technologies <http://www.nubetech.co> <http://in.linkedin.com/in/sonalgoyal> On Thu, Nov 7, 2013 at 11:35 AM, unmesha sreeveni <[email protected]>wrote: > one more doubt : how to copy each input split entering into mapper into a > file for computation? > > > On Thu, Nov 7, 2013 at 10:35 AM, unmesha sreeveni > <[email protected]>wrote: > >> My driver code is >> FileInputFormat.setInputPaths(job, new Path(args[0])); >> FileOutputFormat.setOutputPath(job,new Path(args[1])); >> >> and My mapper is >> public void map(Object key, Text value, Context context) >> throws IOException, InterruptedException { >> where value.tostring() contains my input data. >> >> is that a better way to copy all the data s coming into a file and do >> computations. OR read each line and do the calculation. >> >> -- >> *Thanks & Regards* >> >> Unmesha Sreeveni U.B >> >> *Junior Developer* >> >> >> >> > > > -- > *Thanks & Regards* > > Unmesha Sreeveni U.B > > *Junior Developer* > > *Amrita Center For Cyber Security * > > > * Amritapuri.www.amrita.edu/cyber/ <http://www.amrita.edu/cyber/>* >
