You should also take a look at ZOOKEEPER-744  and ZOOKEEPER-799 
The archive from 799 contains ready to be used scripts for monitoring
ZooKeeper using Ganglia, Nagios and Cacti.
Let me know if you need more help.
On Tue, Aug 17, 2010 at 9:50 PM, Jun Rao <jun...@gmail.com> wrote:
> Is there a way to see the current leader and a list of followers from a
> single node in the ZK quorum? It seems that ZK monitoring (JMX, 4-letter
> commands) only provides info local to a node.
-- Andrei Savu