When you run TPstats or Tablestats subcommands in nodetool you are actually accessing data inside Cassandra via JMX.
You can start there at first. Rahul On Jun 28, 2018, 10:55 AM -0500, Thouraya TH <thouray...@gmail.com>, wrote: > Hi, > > Please, how can check the health of my cluster / data center using cassandra ? > In fact i'd like to generate a hitory of the state of each node. an history > about the failure of my cluster ( 20% of failure in a day, 40% of failure in > a day etc...) > > Thank you so much. > Kind regards.