Progress information for maps come from the underlying Record reader. For the common LineRecordReader, this is based on offsets in the file.
Jothi On 9/2/09 9:21 PM, "Saptarshi Guha" <[email protected]> wrote: > Hello, > How does the 'map % complete' (web ui) get updated in Hadoop 0.20? > i.e when run (in the Mapper class) calls map, does it update the % > or does it update the % when my map does a context.write? > > Thank you > Saptarshi > >
