Thomas Koch commented on ZOOKEEPER-613:

Hadoop has ganglia support by sending (pushing) metrics over the ganglia udp 
protocol to a ganglia monitoring daemon.
But it would also be possible to have a ganglia plugin pulling zookeeper for 

What metrics should be published? Which metrics are cluster-wide, which are per 
zookeeper node?

> add ganglia monitoring support as contrib
> -----------------------------------------
>                 Key: ZOOKEEPER-613
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-613
>             Project: Zookeeper
>          Issue Type: Improvement
>          Components: contrib, scripts
>            Reporter: Patrick Hunt
> It would be great to add ganglia monitoring support for ZooKeeper Cluster. 
> AFAIK this means writing a ganglia plugin that knows
> how to talk to ZK servers (either JMX, or the command port via 4letterwords)

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