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Hadoop, mail # general - [DISCUSS] Apache Hadoop 1.0?


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Re: [DISCUSS] Apache Hadoop 1.0?
Andrew Purtell 2011-11-17, 21:07
> From: Arun C Murthy <[EMAIL PROTECTED]>

> 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