Re: Availability testing of Cassandra nodes

2015-04-09 Thread Jiri Horky
Hi Jack, it seems there is a some misunderstanding. There are two things. One is that the Cassandra works for application, which may (and should) be true even if some of the nodes are actually down. The other thing is that even in this case you want to be notified that there are faulty Cassandra

RE: Availability testing of Cassandra nodes

2015-04-09 Thread SEAN_R_DURITY
...@avast.com] Sent: Thursday, April 09, 2015 4:32 AM To: user@cassandra.apache.org; java-driver-u...@lists.datastax.com Subject: Re: Availability testing of Cassandra nodes Hi Jack, it seems there is a some misunderstanding. There are two things. One is that the Cassandra works for application, which may

Re: Availability testing of Cassandra nodes

2015-04-08 Thread Ajay
Adding Java driver forum. Even we like to know more on this. - Ajay On Wed, Apr 8, 2015 at 8:15 PM, Jack Krupansky jack.krupan...@gmail.com wrote: Just a couple of quick comments: 1. The driver is supposed to be doing availability and load balancing already. 2. If your cluster is lightly

Re: Availability testing of Cassandra nodes

2015-04-08 Thread Jack Krupansky
Just a couple of quick comments: 1. The driver is supposed to be doing availability and load balancing already. 2. If your cluster is lightly loaded, it isn't necessary to be so precise with load balancing. 3. If your cluster is heavily loaded, it won't help. Solution is to expand your cluster so