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From Dhruba Borthakur <dhr...@gmail.com>
Subject Re: Moving to Maven (HBASE-2099)
Date Sat, 13 Feb 2010 09:29:34 GMT
>From what I understand, the slowness of 'ivy' can be reduced if you can
fetch dependent jars from local ivy server, isn't it?

thanks,
dhruba

On Sat, Feb 13, 2010 at 12:25 AM, Kay Kay <kaykay.unique@gmail.com> wrote:

> Mathias -
>   I have been using Ivy / Maven , interchangeably in different projects for
> the build management.  Both of them clearly have their strong points and
> drawbacks.  Ivy fits great for thrift because of the nature of tasks ,
> involved using some external command-line (thrift generators) etc.  As I
> mentioned before - HBase does not have such cross maven goals / between the
> hairs as the build lifecycle is pretty straight-forward.
>  In any case - the intention is to get to publish HBase artifacts and
> maintain a smaller core and encouraging contribs. from the artifacts as
> opposed to getting into the codebase.
> Once there are HBase artifacts published , the contrib / plugins for the
> same would be free to use ivy (with m2compatible="true") / maven as
> appropriate.
>
> Ryan -
>   The slowness is attributed to the 'changing="true" ' in ivy.xml-s for all
> the hadoop-common / -hdfs / -mapreduce snapshots that we are using. I am
> facing similar 'slowness' with other mvn hadoop (snapshot) dependencies as
> well. In retrospective, that should have been made a configurable flag in
> libraries.properties , to ease things. Hopefully that is sorted out soon.
>
>
>
>
> On 02/13/2010 12:10 AM, Ryan Rawson wrote:
>
>> Would you mind elaborating more?  At the moment, most people do not
>> build hbase, and the POM/jar/publishing thing is orthogonal - those
>> who wish to build their own projects with ivy and/or ant are free to
>> do so and not be impacted by our use of maven.
>>
>> We have ivy, but it doesnt integrate with our IDEs and is rather slow
>> to build and rebuild.
>>
>> On Sat, Feb 13, 2010 at 12:03 AM, Mathias Herberts
>> <mathias.herberts@gmail.com>  wrote:
>>
>>
>>> -1
>>>
>>> I think Maven is too complex and will lower the adoption of HBase by
>>> people today willing to build it.
>>>
>>> I would suggest using Ivy for dependency management as was done in
>>> Thrift.
>>>
>>> Mathias.
>>>
>>>
>>>
>>
>


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