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From Mahadev Konar <maha...@yahoo-inc.com>
Subject Re: bringing the codebases back in line
Date Fri, 22 Oct 2010 22:22:56 GMT
+1 for moving to 0.22 trunk.

Thanks
mahadev


On 10/22/10 3:03 PM, "Konstantin Boudnik" <cos@apache.org> wrote:

> +1 on moving forward to common 0.22 trunk. 0.20 was dragging on for quite a
> long time and, in a sense, create certain imbalance toward 0.20-centric
> Hadoop environment
> 
> On Fri, Oct 22, 2010 at 02:52PM, Eli Collins wrote:
>> On Thu, Oct 21, 2010 at 5:54 PM, Ian Holsman <hadoop@holsman.net> wrote:
>>> On Thu, Oct 21, 2010 at 8:42 PM, Milind A Bhandarkar
>>> <milindb@yahoo-inc.com>wrote:
>>> 
>>>>> but the other question I have which hopefully you guys can answer is
does
>>>>> the yahoo distribution have ALL the patches from the trunk on it? because
>>>> if
>>>>> it doesn't I think that is problematic as well for other reasons.
>>>> 
>>>> What are these "other" reasons ?
>>> 
>>> yahoo distribution runs on our production clusters, and I do not see why any
>>>> production cluster should run code from trunk.
>>>> 
>>>> 
>>> right.. the trunk is not for production use. I wasn't suggesting that.
>>> 
>>> but the trunk is what will eventually become the next release.
>>> 
>>> Then someone in yahoo will have to decide if they are going to move to
>>> rebase their production cluster to 0.21, or just continue back-porting what
>>> they need to the version they are running on their clusters.
>>> 
>>> and if yahoo fixes a bug in their version, it would need to be
>>> forward-ported over to the current trunk. which will get harder and harder
>>> as the paths diverge.
>>> 
>>> I'm sure you've seen it happen on other projects when a major branch lands
>>> on the trunk, and the amount of effort it takes to reconcile them.
>> 
>> Hey Ian,
>> 
>> I think we're all in agreement that we need to re-convene on a common
>> branch that removes most of the deltas against an Apache release that
>> we have all accumulated (primarily security, append, trunk backports).
>> The open question is whether we try to come up with a common 20-based
>> branch or wait for 22.  That's been previously discussed on this list
>> and there were some concerns, re-iterated on this thread, that we
>> should invest in 22 rather than the current 20-based branches.
>> 
>> Our current plan is to reconvene with everyone on 22 - a well-tested
>> release with security and append should get users off the current
>> 20-based branches. However if you and/or the Apache community feels
>> that there needs to be an Apache 20-based branch and release that
>> reflects what people are using (security, append, various backports in
>> YDH/CDH) we are willing to create and maintain this branch on Apache.
>> 
>> Thanks,
>> Eli
>> 
>> 
>> 
>> 
>>> - Milind
>>> 
>>> --
>>> Milind Bhandarkar
>>> (mailto:milindb@yahoo-inc.com)
>>> (phone: 408-203-5213 W)
>>> 

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