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MapReduce, mail # user - CDH4 version questions


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jing wang 2013-02-19, 08:03
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Re: CDH4 version questions
Arun C Murthy 2013-02-19, 13:35
Pls ask CDH lists.

On Feb 19, 2013, at 12:03 AM, jing wang wrote:

> Hi User,
>
>   We're facing the challenge of which hadoop version to choose.
>   We prefer to CDH4, but have a few qustions:
>   1.Are MRV1 and MRV2 sharing the  same hdfs? If so, can MRV1 upgrade to MRV2 smoothly?
>   2.If using MRV1, should our m/r code basing CDH3 be changed?
>   3.Is MRV1 stable enough to be used in production?
>
>
> Thanks & best regards,
> Jing Wang
>
>
>

--
Arun C. Murthy
Hortonworks Inc.
http://hortonworks.com/
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David Boyd 2013-02-19, 13:48
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jing wang 2013-02-20, 08:10