Re: Unreliable JMX metrics

2017-01-19 Thread kurt Greaves
Yes. You likely will still be able to see the nodes in nodetool gossipinfo

Re: Unreliable JMX metrics

2017-01-19 Thread Sun, Guan
he.org>" <user@cassandra.apache.org<mailto:user@cassandra.apache.org>> Subject: Re: Unreliable JMX metrics Hey Guan, If it's the case that you actually replaced the nodes and already assigned new IP's to them this is probably common behaviour. Since Cassandra has a retention

Re: Unreliable JMX metrics

2017-01-17 Thread Malte Pickhan
Hey Guan, If it's the case that you actually replaced the nodes and already assigned new IP's to them this is probably common behaviour. Since Cassandra has a retention policy to keep dead nodes for 72 hours. Best, Malte 2017-01-17 0:29 GMT+01:00 Sun, Guan : > Hi all, > >

Unreliable JMX metrics

2017-01-16 Thread Sun, Guan
Hi all, We have a 6 node Cassandra cluster running on Amazon EC2. We replaced the nodes one by one while Cassandra was running several days ago. After the replacement, the nodetool status show that all the nodes were up and running. However, the JMX metrics about down nodes kept showing there