Moving discussion to hdfs-user mailing list: hdfs-u...@hadoop.apache.com On Sat, Jan 29, 2011 at 5:06 AM, Pei HE <pei...@gmail.com> wrote: > Hi all, > I want to know the detailed performance of Hadoop. > > I am writing a client code to test the latency, transfer speed of > HDFS, and the time of initiating a JVM for a task. > > Does anyone know that which classes can be called without running a > whole map/reduce job to find out the performance of Hadoop? > > I am trying to create a DFSClient in the following way. > Configuration conf = new Configuration(); > DFSClient client = new DFSClient(conf); > client.exists("hdfs://localhost:9900/home/"); > But, a RemoteException was thrown.
Would help to know what the cause for the throw of a RemoteException was. -- Harsh J www.harshj.com