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From Viswanathan J <jayamviswanat...@gmail.com>
Subject Re: [Urgent] - CDH upgrade v5.4.5 to v5.8 - Cluster to different Cluster upgrade
Date Thu, 08 Dec 2016 12:06:59 GMT
Hi Manoj,

You mean even though destination cluster has different version no issue in
data copying and incompatible will not occur right?

On Dec 8, 2016 4:32 PM, "manoj donga" <manojdonga@gmail.com> wrote:

> DistCp considering backward only if your  older one is v4. Anything v5 is
> same for DistCp.
>
> Manoj Donga
> On 8 Dec 2016 4:11 pm, "Viswanathan J" <jayamviswanathan@gmail.com> wrote:
>
>> Hi Guys,
>>
>> Currently we are running CDH version of 5.4.5 and planning to upgrade CDH
>> v5.8 in different cluster. We are planning to migrate data to the new
>> cluster through distcp after cluster upgrade.
>>
>> *CDH (v5.4.5) :*
>>
>>    - Hadoop v2.6.0
>>    - HBase v1.0.0
>>
>> *CDH (v5.8) :*
>>
>>
>>    - Hadoop v2.6.0
>>    - HBase v1.2.0
>>
>> Is the latest version will be backward compatible with the older version
>> of HDFS/HBase data?
>>
>> Also we are storing the data based on pre-split. Will this upgrade cause
>> any data incompatible because of different version and cluster/zk nodes.
>>
>> Please help on this.
>> --
>> Regards,
>> Viswa.J
>>
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