If you are using TableMap to read the data back each mapper will map over
all the rows in a single region.
You can use counters to count the records so we can get a total records.
but there is not set number of maps a mapper will process it depends on the
input.
Billy
"ma qiang" <[EMAIL PROTECTED]> wrote in
message news:[EMAIL PROTECTED]
hi all,
I hava a data set stored in hbase, and I run a mapreduce program
to analyze. Now I want to know how many map in a map task? Who can
tell me?
Thanks a lot.
yours qiang.
