Determine size of duplicate data

Hello, Is there a way to determine the size of “duplicate” date? I.E. data that a node no longer owns after expanding the ring? Data that is removed with a nodetool cleanup? Thank you! Ian Spence intermediate devops engineer Global Relay ian.spe...@globalrelay.net<mailto:ian.

Merge Cassandra RACs?

Environment: Cassandra: 2.2.9, JRE: 1.8.0_74, CentOS 6/7 We have two DCs. In DC1 we have 3 RACs and in DC2 we have 6. Because we're in a physical environment (not virtual or cloud based), we've run short on unique rack space in DC2 and need to fix the layout problems. Is it possible to somehow m

Cleanup cluster after expansion?

Environment: Cassandra 2.2.9, GNU/Linux CentOS 6 + 7. Two DCs, 3 RACs in DC1 and 6 in DC2. We recently added 16 new nodes to our 38-node cluster (now 54 nodes). What would be the safest and most efficient way of running a cleanup operation? I’ve experimented with running cleanup on a single nod

Can't replace failed node

Hello, ENV: Cassandra: 2.2.9, JRE: 1.8.0_74, CentOS 6/7 We've run into a weird issue as a result of a node dying. A specific server had a catastrophic failure and lost all data on disk. It's since been replaced but during that time we've brought down the cluster a couple of times (as this is a pa