Cassandra number of read and write operations in a given time period

To run this Plugin you should first download the check_jmx plugin for Nagios. Since it reads the Values from Check_JMX plugin. This Plug-in monitors Cassandra number of read and write operations in a given time period, i.e. Read operations per second / write Operations per second. it fetches WriteOperations or ReadOperations from Nagios JMX plugin and stores the values with timestamp in a log file at /tmp directory, and parses this log file to create the Read/write per second value. ####Sample Log entries### cat /tmp/Cass_ReadOperations.log 1323353650=JMX CRITICAL ReadOperations=0 1323353710=JMX CRITICAL ReadOperations=120 so the Read per second would be (120-0)/(1323353710-1323353650) i.e 2 per Second. This take three parameters as input 1) Option i.e. Read operations or write Operations and Warning and Critical Values. Sample Run. # ./cass_read_write-rate -h Usage: ./cass_read_write-rate -o [-w ] [-c ] is which option to perform (ReadOperations | WriteOperations), Default is ReadOperations is Rate/second for WARNing state Default is 5. is Rate/second for Critical state Default is 10. # ./cass_read_write-rate -o ReadOperations Cassandra ReadOperations are 0 per second

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