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From Min Zhou <coderp...@gmail.com>
Subject Re: chukwa and Hadoop v0.19.x
Date Mon, 25 Oct 2010 06:19:53 GMT
On Mon, Oct 25, 2010 at 1:34 AM, Eric Yang <eric818@gmail.com> wrote:
> Hi Min,
>
> It works.  Chukwa 0.4.0 is compatible to Hadoop 0.18.x.  However, we
> really like people to move to Hadoop 0.20 so we can remove some legacy
> code for supporting older version of Hadoop.

I know it will work. Is there any function lost if we deploy it under
hadoop 0.19.2 rather than 0.20.2?

Thanks,
Min


> regards,
> Eric
>
> On Sun, Oct 24, 2010 at 7:08 AM, Min Zhou <coderplay@gmail.com> wrote:
>> Hi guys,
>>
>> From the document of Chukwa 0.4.0,  it mentions that "Note that these
>> directions require Hadoop 0.20.0+. Earlier versions of Hadoop do not
>> have the hooks that Chukwa requires in order to grab MapReduce job
>> logs."  Can anyone tell me the reason why chukwa requires 0.20.0+, we
>> know job logs and metrics are also supported by hadoop 0.19.x.
>>
>> If we deploy chukwa 0.4.0 on a hadoop cluster under the version of
>> 0.19.2.  What will happens?
>>
>>
>> Thanks,
>> Min
>>
>>
>> --
>> My research interests are distributed systems, parallel computing and
>> bytecode based virtual machine.
>>
>> My profile:
>> http://www.linkedin.com/in/coderplay
>> My blog:
>> http://coderplay.javaeye.com
>>
>



-- 
My research interests are distributed systems, parallel computing and
bytecode based virtual machine.

My profile:
http://www.linkedin.com/in/coderplay
My blog:
http://coderplay.javaeye.com

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