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 Detection * Centralized Log Management Solr & Elasticsearch Support * http://sematext.com/ On Thu, Sep 10, 2015 at 10:38 PM, Shuo Chen <chenatu2...@gmail.com> wrote: > 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, is there a method to retrieve load info on the > whole cluster? > > ---- > Shuo Chen > > > On Fri, Sep 11, 2015 at 10:36 AM, Shuo Chen <chenatu2...@gmail.com> wrote: > >> Hi! >> >> 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 >> > >
