Multi DC setup for analytics

2016-03-13 Thread Anishek Agarwal
Hello, We are using cassandra 2.0.17 and have two logical DC having different Keyspaces but both having same logical name DC1. we want to setup another cassandra cluster for analytics which should get data from both the above DC. if we setup the new DC with name DC2 and follow the steps https://

Re: Cassandra causing OOM Killer to strike on new cluster running 3.4

2016-03-13 Thread Paulo Motta
You could be hitting CASSANDRA-11344 ( https://issues.apache.org/jira/browse/CASSANDRA-11344). If that's the case, you may try to replace your cassandra jar on an affected node with a version with this fix in place and force bloom filter regeneration to see if if it fixes your problem. You can bui

Re: Cassandra causing OOM Killer to strike on new cluster running 3.4

2016-03-13 Thread Adam Plumb
So it's looking like the bloom filter off heap memory usage is ramping up and up until the OOM killer kills the java process. I relaunched on instances with 60GB of memory and the same thing is happening. A node will start using more and more RAM until the process is killed, then another node wil