Re: Problems with cassandra on AWS

2016-07-10 Thread daemeon reiydelle
xWell, I seem to recall that the private IP's are valid for communications WITHIN one VPC. I assume you can log into one machine and ping (or ssh) the others. If so, check that cassandra.yaml is not set to listen on 127.0.0.1 (localhost). *...* *Daemeon C.M. ReiydelleUSA (+1) 415.501.0198

archive cassandra data

2016-07-10 Thread Stone Fang
Hi all, Have some thought on this issue . https://issues.apache.org/jira/browse/CASSANDRA-8460 but still have not received reply after comment for several days,it is a old ticket,created on 11/Dec/14.anybody know how to go on this ticket. thanks in advance! stone

Re: Blog post on Cassandra's inner workings and performance - feedback welcome

2016-07-10 Thread Graham Sanderson
2 )”why more memory makes things worse” - I’d be interested to see you argue that - it really isn’t true with big boxes. (but yes off heap is good) - we run 24 gig JVMs with 8g new gen and never see more than a second or so STW and that is rare (but we do have lot of -XX: options) > On Jul 9, 2