Thanks Mehmet and Erick, I don't have any monitoring other than nodetool but I manage to see some disk errors cause exceptions. I changed faulty disk and performance ok now.
Regards, Osman On Sun, 5 Apr 2020 at 03:17, Erick Ramirez <erick.rami...@datastax.com> wrote: > > With only 2 replicas per DC, it means you're likely writing with a > consistency level of either ONE or LOCAL_ONE. Everytime you hit the > problematic node, the write performance drops. All other configurations being > equal, this indicates an issue with the commitlog disk on the node. > > Get your sysadmin to check for any issues with the disk, perhaps there's a > problem with the hardware and failure is impending. As a side note, it's > probably a good time to ensure that cluster repairs are in order in case the > node fails. Cheers! > > GOT QUESTIONS? Apache Cassandra experts from the community and DataStax have > answers! Share your expertise on https://community.datastax.com/. > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org For additional commands, e-mail: user-h...@cassandra.apache.org
