Yup. Virtualized IO pretty much explains it.
On Thu, Dec 29, 2011 at 8:20 PM, Mark Kerzner <[email protected]> wrote: > Hi, > > I am running a small program to load about 1 million rows into HBase. It > takes 200 seconds on my dev machine, and 800 seconds on a c1.medium EC2 > machine. Both are running the same version of Ubuntu and the same version > of HBase. Everything is local on one machine in both cases. > > What could the difference between the two environments be? I did notice > that my local machine has higher CPU loads: > > hbase 64% > java (my app) 38% > hdfs 20% > > whereas the EC2 machine > hbase 47% > java (my app) 23% > hdfs 14% > > > Sincerely, > Mark
