Re: Side effects of hinted handoff lead to consistency problem

2013-10-14 Thread Jason Tang
After check the log and configuration, I found it caused by two reason. 1. GC grace seconds I using hector client to connect cassandra, and the default value of GC grace seconds for each column family is **Zero** ! So when hinted handoff replay the temporary value, the tombstone on other two

Re: Cassandra Agent

2013-10-14 Thread Sean McCully
On Monday, October 14, 2013 10:49:22 AM Romain HARDOUIN wrote: > > Polites, isn't a rest API wrapper for Cassandra really, it does more > > configuration and management of a Cassandra Node. Though it does have a > > REST API > > Hi, > > Nice project Sean! > Can't help but thinking about Trove...

Re: one big cluster vs multiple smaller clusters

2013-10-14 Thread Wei Zhu
Hi guys, Thanks for your reply. It's very helpful. I agree with Plotnik on the scaling part.  For the business logic, it sounds obvious that "it make sense to divide, i.e. metadata and really BIG data into different clusters, of course." as you mentioned. But after I think about it a bit more,

Re: Unable to start server

2013-10-14 Thread Blair Zajac
Those links are for Cassandra 0.8 and the OP is on 2.0.1. http://www.datastax.com/documentation/cql/3.1/webhelp/index.html Blair On 10/14/2013 02:17 AM, Santosh Shet wrote: Hope these links would help you. --Getting started with CQL http://www.datastax.com/docs/0.8/dml/using_cql --Getting s

Re: one big cluster vs multiple smaller clusters

2013-10-14 Thread Paulo Motta
By clusters do you mean data centers? If so, I think it depends on your use case and application requirements. For instance, if you have a web application and and analytics application (hadoop), you would want to separate your cluster in 2 different data centers (even if they're located in the sam

Re: Cassandra Agent

2013-10-14 Thread Romain HARDOUIN
> Polites, isn't a rest API wrapper for Cassandra really, it does more > configuration and management of a Cassandra Node. Though it does have a REST > API Hi, Nice project Sean! Can't help but thinking about Trove...