check_cassandra_heap.pl (Advanced Nagios Plugins Collection)

Project Notes

Part of the Advanced Nagios Plugins Collection.

Download it here:

https://github.com/harisekhon/nagios-plugins

check_cassandra_heap.pl

Nagios Plugin to check the Heap used on a single Cassandra node using nodetool.

Can specify a remote host and port otherwise it checks the local node’s stats (for calling over NRPE on each Cassandra node)

Written and tested against Cassandra 2.0, DataStax Community Edition

usage: check_cassandra_heap.pl [ options ]

-n –nodetool Path to ‘nodetool’ command if not in $PATH (/bin:/usr/bin)
-H –host Cassandra node to connect to (optional, default: localhost)
-P –port Cassandra JMX port to connect to (default: 7199)
-u –user Cassandra JMX User (optional)
-p –password Cassandra JMX Password (optional)
-w –warning Warning threshold max % Heap used (inclusive. Default: 80)
-c –critical Critical threshold max % Heap used (inclusive. Default: 90)
-h –help Print description and usage options
-t –timeout Timeout in secs (default: 10)
-v –verbose Verbose mode (-v, -vv, -vvv …)
-V –version Print version and exit