Thanks for the reply Owen, I only knew about map.input.file. So there is no way I can see the other possible splits (start+length)? like some function that returns strings of map.input.file and map.input.offset of the other mappers ?
Thanks, Mark On Thu, May 12, 2011 at 9:08 PM, Owen O'Malley <omal...@apache.org> wrote: > On Thu, May 12, 2011 at 8:59 PM, Mark question <markq2...@gmail.com> > wrote: > > > Hi > > > > I'm using FileInputFormat which will split files logically according to > > their sizes into splits. Can the mapper get a pointer to these splits? > and > > know which split it is assigned ? > > > > Look at > > http://hadoop.apache.org/common/docs/r0.20.203.0/mapred_tutorial.html#Task+JVM+Reuse > > In particular, map.input.file and map.input.offset are the configuration > parameters that you want. > > -- Owen >
