You'll need to provide a bit of information. To start, a query trace from would be helpful.
http://www.datastax.com/documentation/cql/3.0/cql/cql_reference/tracing_r.html (self promo) You may want to read over my blog post regarding diagnosing problems in production. I've covered diagnosing slow queries: http://rustyrazorblade.com/2014/09/cassandra-summit-recap-diagnosing-problems-in-production/ On Thu, Sep 25, 2014 at 4:21 AM, Umang Shah <shahuma...@gmail.com> wrote: > Hi All, > > I am using cassandra with Pentaho PDI kettle, i have installed cassandra in > Amazon EC2 instance and in local-machine, so when i am trying to retrieve > data from local machine using Pentaho PDI it is taking few seconds (not more > then 20 seconds) and if i do the same using production data-base it takes > almost 3 minutes for the same number of data , which is huge difference. > > So if anybody can give me some comments of solution that what i need to > check for this or how can i narrow down this difference? > > on local machine and production server RAM is same. > Local machine is windows environment and production is Linux. > > -- > Regards, > Umang V.Shah > BI-ETL Developer -- Jon Haddad http://www.rustyrazorblade.com twitter: rustyrazorblade