Hello Jonathan, +1 on sharing your Nagios plugins for Hadoop and HBase as a contrib. :-)
- Andy > From: Jonathan Gray <[EMAIL PROTECTED]> > Subject: RE: Bulk import question. > To: [email protected] > Date: Monday, December 1, 2008, 7:20 PM > > Your new best friends: Ganglia and Nagios > > Ganglia is great for monitoring cluster-wide resource usage > over time. You'll see memory, cpu, disk, network usage > over time for entire cluster and for each node. It is very > easy to setup because it uses UDP broadcast so no need to > actually configure nodes in conf files. HBase 0.19 > introduces ganglia metrics which will also be available in > the ganglia web interface. > > http://ganglia.info/ > > Nagios is good for monitoring services as well as resource > utilization. Rather than give data over time, it's aim > is really to alert you when something is wrong. For > example, when a server is no longer reachable or when > available disk space reaches a configurable threshold. It > does require a bit more work to get up and running because > you have to setup your node and service configurations. I > have written custom nagios plugins for hadoop and hbase, if > there's interest I will look at cleaning them up and > contrib'ing them. > > http://www.nagios.org/ > > Both are free and essential tools for properly monitoring > your cluster. > > JG
