A rowcounter is a scan job, so you should use hbase.client.scanner.caching for better scan performance. (Depending on your value sizes, set to 1000 or something like that).

For us, 1 zookeeper is able to manage our 15node cluster perfectly fine.

On 05/11/2011 02:40 PM, byambajargal wrote:
Hello everybody

I have run a cluster with 11 nodes hbase CDH3u0 and i have 2 zookeeper server in my cluster
It seems very slowly when i run the rowcounter example
my question is what is the recommended number of zookeeper server should i run for 11 nodes cluster

cheers


Byambajargal

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