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