Hi,
I would suggest following steps to debug:
1. Install the Hadoop 0.20.x on your laptop.
2. Run the Hama deamons with 3 terminals.
% bin/hama zookeeper
% bin/hama bspmaster
% bin/hama groom
3. Use the logging API to log debug.
For example, LOG.debug("like this");
On Wed, Jun 15, 2011 at 6:48 PM, Ashish Agarwal <[email protected]> wrote:
> Hi,
>
> I was wondering if anyone can give me instructions on how to debug code in
> distributed or pseudo-distributed mode ? It would really help me.
>
> Thank you
>
> Sincerely,
> Ashish
>
>
>
> On Sat, Jun 11, 2011 at 3:41 AM, Ashish Agarwal
> <[email protected]>wrote:
>
>>
>> Hi,
>>
>> I have written some code for my GSoC task (Hama-367) and am now trying to
>> debug.
>>
>> I am trying to set up the environment into pseudo-distributed mode so I can
>> debug. I think the value of bsp.master.address in hama-site.xml has to be
>> local as this means LocalBSPRunner (as localhost would call 127.0.0.1
>> server), but where do I specify that in the code in eclipse ?
>>
>> My next question is - what is the difference between MiniBSPCluster and
>> LocalBSPRunner and which file should I be using to be able to step through
>> the code ?
>>
>> These are the processes currently running on my machine -
>>
>> 6112 NameNode
>> 3319 ZooKeeperRunner
>> 3018
>> 6449 SecondaryNameNode
>> 5709 HMaster
>> 5643 HQuorumPeer
>> 6684 TaskTracker
>> 6526 JobTracker
>> 8074 Jps
>> 6277 DataNode
>>
>> Thank you,
>> Ashish
>>
>
--
Best Regards, Edward J. Yoon
@eddieyoon
