You can cache the block in your task, in a pinned static variable, when you
> are reusing the jvms.
>
> On Sun, May 10, 2009 at 2:30 PM, Matt Bowyer >wrote:
>
> > Hi,
> >
> > I am trying to do 'on demand map reduce' - something which will return in
>
Hi,
I am trying to do 'on demand map reduce' - something which will return in
reasonable time (a few seconds).
My dataset is relatively small and can fit into my datanode's memory. Is it
possible to keep a block in the datanode's memory so on the next job the
response will be much quicker? The ma