Hi Dalia, I believe RowCounter (mapreduce) or AggregationClient (coprocessor) can solve your problem.
Shumin On Mon, Oct 1, 2012 at 10:02 AM, Jean-Marc Spaggiari < [email protected]> wrote: > Hi Dalia, > > If you are not maintaining an index for this table, then you will have > to scan the entire table a count the entries... You can do that with a > regular scan, or you can use a coprocessor to do that on the server > side. > > JM > > 2012/9/29, Dalia Sobhy <[email protected]>: > > Hello all, > > > > I am using hbase 0.90.6 and thrift server. > > > > I want to count the occurrences of a specific qualifier. > > > > For example if i have a table containing col family (info:) that contains > > qualifiers(courses, students) > > > > I want to count the number of students attending the English course > > > > So any help please ?? > > > > > > >
