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From Harsh J <qwertyman...@gmail.com>
Subject Re: Latency and speed of HDFS
Date Sat, 29 Jan 2011 05:53:17 GMT
Moving discussion to hdfs-user mailing list: hdfs-user@hadoop.apache.com

On Sat, Jan 29, 2011 at 5:06 AM, Pei HE <peihe0@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

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