We removed many times nodes from a cluster but never seen the jmx metric down stay for 72 hours. So it has to be completely removed from gossip to show the metric as expected? This would be problem for using the metric to alert on call
On Mon, Jul 29, 2019, 7:28 AM Oleksandr Shulgin < oleksandr.shul...@zalando.de> wrote: > On Mon, Jul 29, 2019 at 1:21 PM Rahul Reddy <rahulreddy1...@gmail.com> > wrote: > >> >> Decommissioned 2 nodes from cluster nodetool status doesn't list the >> nodes as expected but jmx metrics shows still those 2 nodes has down. >> Nodetool gossip shows the 2 nodes in Left state. Why does my jmx still >> shows those nodes down even after 24 hours. Cassandra version 3.11.3 ? >> > > AFAIK, the nodes are not removed from gossip for 72 hours by default. > > >> Anything else need to be done? >> > > Wait another 48 hours? ;-) > > -- > Alex > >