Loss of an Entire AZ in a Three-AZ Cassandra Cluster

2019-03-08 Thread Fd Habash
Assume you have a 30 node cluster distributed across three AZ’s with an RF of 3. Trying to come up with a runbook to manage multi-nodes failure as a result of … - Loss of an entire AZ1 - Loss of multiple nodes in AZ2 - AZ3 unaffected. No node loss Is this is most optimal plan. Replacing dead

too many logDroppedMessages and StatusLogger

2019-03-08 Thread Marco Gasparini
Hi all, I cannot understand why I get the following logs, they appear every day at not fixed period of time. I saw them every 2 minutes or every 10 seconds, I cannot find any pattern. I took this very example here during an heavy workload of writes and reads but I get them also during a very