How can I scale my read rate?

2017-03-11 Thread S G
Hi, I have a 9 node cassandra cluster, each node has: RAM: 5.5gb Disk: 64gb C* version: 3.3 Java: 1.8.0_51 The cluster stores about 2 million rows and partition keys for all these rows are unique. I am stress-reading it from a 12-node client cluster. Each read-client has 50 threads, so total 600

Re: State of triggers

2017-03-03 Thread S G
Does Cassandra itself use triggers internally for something? That would make a pretty good case for triggers being ready for production use. Otherwise, it would tend to be a neglected feature because active developers would have no good reason to add features to it other than just make the test su

State of triggers

2017-03-02 Thread S G
Hi, I am not able to find any documentation on the current state of triggers being production ready. The post at http://www.datastax.com/dev/blog/whats-new-in-cassandra-2-0-prototype-triggers-support says that "The current implementation is experimental, and there is some work to do before trigge

Re: How to read CDC from Cassandra?

2017-02-16 Thread S G
ted in the cdc_raw_directory - c) Launch an agent similar to CASSANDRA-11575. Consume and delete the cdc files? Thanks for your help, SG On Wed, Feb 15, 2017 at 3:19 PM, Jay Zhuang wrote: > I tried this CASSANDRA-11575 for 3.8. Works great. > > Thanks, > Jay > > > On 2/15/17 3:08

How to read CDC from Cassandra?

2017-02-15 Thread S G
Hi, I have gone through several resources mentioned in http://cassandra.apache.org/doc/latest/operating/cdc.html The only thing mentioned about reading the CDC is that it is fairly straightforward with a link to https://github.com/apache/cassandra/blob/e31e216234c6b57a531cae607e0355666007deb2/src