It's a single node, metric value showing just a single moment in time.
Something with historical data, aggregation across the whole cluster, etc.
may be better. See SPM for Cassandra or OpsCenter - they come with out of
the box reports for Cassandra.
Otis
--
Monitoring * Alerting * Anomaly Detect
All metrics reported in cfstats are for just the one node (its pulled from
jmx). To see cluster aggregates its best to use a tool for monitoring like
opscenter, graphite, influxdb, nagios etc. Its a good idea to have one of
these something like this setup for many reasons anyway.
If you are using
Sorry to send the previous message.
I want to monitor columnfamily space used with nodetool cfstats. The
document says,
Space used (live), bytes:9592399Space that is measured depends on operating
system
Is this metric shows space used on one nodes or on the whole cluster?
If it is just one node,