yes. The input format is making split per vnodes it can be optimized likely.

On Thu, Mar 28, 2013 at 9:30 AM, Alicia Leong <> 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.