Thanks Cem for your confirmation on this. I guess, Login > Create Issue at https://issues.apache.org/jira/browse/CASSANDRA
On Thu, Mar 28, 2013 at 9:40 PM, cem <cayiro...@gmail.com> wrote: > Hi Alicia , > > Cassandra input format creates mappers as many as vnodes. It is a known > issue. You need to lower the number of vnodes :( > > I have a simple solution for that and ready to write a patch. Should I > create a ticket about that? I don't know the procedure about that. > > Regards, > Cem > > > On Thu, Mar 28, 2013 at 2:30 PM, Alicia Leong <lccali...@gmail.com> wrote: > >> Hi All, >> >> I have 3 nodes of Cassandra 1.2.3 & edited the cassandra.yaml for vnodes. >> >> When I execute a M/R job .. the console showed HUNDRED of Map tasks. >> >> May I know, is the normal since is vnodes? If yes, this have slow the >> M/R job to finish/complete. >> >> >> Thanks >> > >
