The map task is not multi-threaded, but multiple map tasks typically run on each node and obviously many nodes are in the cluster.
So, yes, calls to the map function are executed in parallel. On Wed, Jun 25, 2008 at 8:58 AM, Xuan Dzung Doan <[EMAIL PROTECTED]> wrote: > > > OK. So are these many calls to map per map task also executed in parallel > (calls per one map task are executed independently)? > > > > -- ted
