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From Hyunsik Choi <hyun...@apache.org>
Subject Re: [DISCUSS] Hadoop 2.2.0 compatibility
Date Fri, 24 Oct 2014 16:51:37 GMT
I created the jira issue.
https://issues.apache.org/jira/browse/TAJO-1129

- hyunsik

On Thu, Oct 23, 2014 at 12:58 AM, Hyunsik Choi <hyunsik@apache.org> wrote:
> Thank you guys for the quick reply!
>
> Cheers,
> Hyunsik
>
>
> On Thu, Oct 23, 2014 at 12:45 AM, Jaehwa Jung <blrunner@apache.org> wrote:
>> +1
>>
>> It looks good to me. :)
>>
>> Cheers
>> Jaehwa
>> 2014. 10. 23. 오후 4:36에 "Jinho Kim" <jhkim@apache.org>님이 작성:
>>
>>> Big+1 for ZCR features
>>>
>>>
>>> -Jinho
>>> Best regards
>>>
>>> 2014-10-23 16:29 GMT+09:00 Min Zhou <coderplay@gmail.com>:
>>>
>>> > +1 for the proposal.
>>> >
>>> >
>>> > Regards,
>>> > Min
>>> >
>>> >
>>> > On Thu, Oct 23, 2014 at 12:26 AM, Hyunsik Choi <hyunsik@apache.org>
>>> wrote:
>>> >
>>> > > Hi,
>>> > >
>>> > > Some recent Hadoop API changes like HDFS-4953 provide nice new
>>> > > features for I/O intensive processing. We need these features for
>>> > > improving performances. But, the current Tajo supports Hadoop 2.2.0
or
>>> > > its higher. Probably, it is hard to keep the compatibility against
>>> > > 2.2.0 and make good use of new features at the same time. This is
>>> > > because there are many broken API changes between 2.2.0 and its
>>> > > higher.
>>> > >
>>> > > So, I'd like to propose that Tajo 0.9.1 abandons Hadoop 2.2.0
>>> > > compatibility, and then we need to adopt newly added HDFS features.
>>> > >
>>> > > How do you guys think about it?
>>> > >
>>> > > Best regards,
>>> > > Hyunsik
>>> > >
>>> >
>>> >
>>> >
>>> > --
>>> > 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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