Why would you only run 9 RS and leave 3 mapreduce-only nodes? I can't see
any benefit of doing that.
On Thu, Oct 28, 2010 at 2:52 AM, Tim Robertson <timrobertson...@gmail.com>wrote:
> Hi all,
> We are setting up a small Hadoop 13 node cluster running 1 HDFS
> master, 9 region severs for HBase and 3 map reduce nodes, and are just
> installing zookeeper to perform the HBase coordination and to manage a
> few simple process locks for other tasks we run.
> Could someone please advise what kind on heap we should give to our
> single ZK node and also (ahem) how does one actually set this? It's
> not immediately obvious in the docs or config.