Re: cassandra cluser sizing

2018-07-13 Thread Vitaliy Semochkin
Jeff, thank you very much for reply. Will try to use 4TB per instance. If I understand it correctly level compaction can lead to 50% https://docs.datastax.com/en/dse-planning/doc/planning/planningHardware.html Regarding the question of running multiple instances per server, am I correct that in c

Re: Best approach for node decommission

2018-07-13 Thread Soumya Jena
If it helps you can use 'nodetool netstats' to monitor . If you do not see any streams stuck there , then you should be good . Also if you are concerned , you can run "nodetool repair" after the decommission just to make sure . I think what you are doing is okay . If the node is alive then nodeto

batchstatement

2018-07-13 Thread Randy Lynn
TL/DR: - only 1 out of 14 statements in a batch do not mutate the partition.. - no error is logged in the application layer, or Cassandra system.log or Cassandra debug.log - using C#, and Datastax latest driver - cluster is a 1-node, dev setup. - datastax driver configured with LOCAL_QUORUM at the