Redirecting to hbase-user Thanks, Adam
On Tue, Jan 1, 2013 at 4:29 PM, Dalia Hassan <daliahass...@gmail.com> wrote: > Dear all, > > I am trying to test the performance of hbase by increasing number of nodes. > > I am running a Java Program that uses Aggregate Implementation Coprocessor > i.e count the number of rows based on a specific filter. Then I am testing > by increasing the number of region servers will the time taken to execute > this program will less or not ? Suppose it will be. > > But unfortunately, it produces the same time. > > What I am doing actually is: > > 1. I have the number of rows to be 4 million. > 2. Then I ran the code, given that the cluster contains one region > server , the time was approximately 16 seconds. > 3. After that I added another region server to the cluster i.e so now > cluster has 2 region servers. > 4. By running the code, it took the same app 16 seconds. > > > So my question is what to do to feel the difference ? Also by adding a > second region server, will the 2 million records move to it ? If so, how > much time will it take ? > > Thanks, > > Waiting for your responses asap. > -- Adam Smieszny Cloudera | Systems Engineer | http://www.linkedin.com/in/adamsmieszny 917.830.4156