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From "Edward J. Yoon" <edwardy...@apache.org>
Subject Re: How can I run hama in eclipse environment
Date Fri, 25 Apr 2014 07:57:00 GMT
Hi, can you attach the full log of the BSPMaster?

Just to be sure, to run Hama in pseudo distributed mode, you must run
HDFS first.

On Fri, Apr 25, 2014 at 4:19 PM, InJun Song <ijsong@gmail.com> wrote:
> Hi,
>
> I have a question about how to run hama in eclipse environment.
>
> At first, I set up my develop environment according to this page. (
> http://wiki.apache.org/hama/HowToContribute)
>
> Then, because I wanted to run pseudo distributed mode, I ran each daemon
> under eclipse. (zookeeper -> bspmaster -> groomserver). To run those, I
> executed three runner for them; ZookeeprRunner, BSPMasterRunner and
> GroomserverRunner.
> After all daemons launched, I ran dummy BSP program.
>
> At that time, BSPMaster throws OOM exception. Code throws an exception is
> in "RPC.Invocation.readFields" method. While it executed this line, it
> throws the exception.
>
>     parameters = new Object[in.readInt()];
>
> The number of object to create is 308766068. If sizeof(java.lang.Object) is
> 8 byte, total size is over 2G. I think that it must be wrong.
>
> What did I mistake? What mistake make me go wrong way?
> I am debugging with eclipse, but I want to some advices from you.
>
> Thank you.



-- 
Best Regards, Edward J. Yoon
CEO at DataSayer Co., Ltd.

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