Is your goal to have the 10 largest rows by member_id? 2012/7/2 Sheng Guo <enigma...@gmail.com>
> Hi all, > > I used to use the following pig script to do the counting of the records. > > m_skill_group = group m_skills_filter by member_id; > grpd = group m_skill_group all; > cnt = foreach grpd generate COUNT(m_skill_group); > > cnt_filter = limit cnt 10; > dump cnt_filter; > > > but sometimes, when the records get larger, it takes lots of time and hang > up, and or die. > I thought counting should be simple enough, so what is the best way to do a > counting in pig? > > Thanks! > > Sheng >
