Hello Elaine,
You did not tell your cluster size. Number of nodes , cores in each node.
What sort of work you are doing , 6 hours for 518MB data is huge time.
The number of map tasks would be 518/64
So this many map tasks needs to run to process your data.
Now they can run on single node or
Hi,
Responses inline to some points.
On Tue, Sep 11, 2012 at 7:26 AM, Elaine Gan elaine-...@gmo.jp wrote:
Hi,
I'm new to hadoop and i've just played around with map reduce.
I would like to check if my understanding to hadoop is correct and i
would appreciate if anyone could correct me if
