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From Mahadev Konar <maha...@hortonworks.com>
Subject Re: [DISCUSS] Apache Hadoop 1.0?
Date Thu, 17 Nov 2011 21:12:27 GMT
Andrew,
 Can you open a jira listing the issues? Would be good to resolve them
in the next 0.23 release.

thanks
mahadev

On Thu, Nov 17, 2011 at 1:07 PM, Andrew Purtell <apurtell@apache.org> wrote:
>> From: Arun C Murthy <acm@hortonworks.com>
>
>> Now, a downstream project such as HBase, Hive or Pig isn't the 'normal
>> end-user application'. These projects can choose to use
>> undocumented/non-public (e.g. LimitedPrivate) apis and we are committed to
>> working with them to ensure a smooth transition.
>>
>> I don't know which are the ones in 'every single downstream
>> component' - care to enumerate?
>>
>> The ones I'm aware of, which have since been fixed are:
>> https://issues.apache.org/jira/browse/HBASE-4510 ->
>> https://issues.apache.org/jira/browse/HDFS-2412 (we fixed the internal HDFS apis
>> so that HBase can continue to use them)
>> https://issues.apache.org/jira/browse/PIG-2125 ->
>> https://issues.apache.org/jira/browse/MAPREDUCE-3138 (we fixed MR to allow apps
>> deal with inconsistency in 'new' MR apis which changed in 0.21).
>>
>> I'm not aware of anything else - what else do you see?
>>
>> As a result, the downstream projects ensure their own end-users and applications
>> (HBase apps, Pig scripts, Hive queries) etc. do NOT see any incompatibilities.
>
>
> In addition, MAPREDUCE-3169. I had to pull out a bunch of HBase unit tests today to
get 0.92 compiling on 0.23.
>
>    - Andy
>
>

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