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From "Joey Echeverria" <j...@cloudera.com>
Subject Re: Hadoop 2.0 Support for Accumulo 1.4 Branch
Date Mon, 29 Jul 2013 17:23:30 GMT
We're testing this today. I'll report back what we find. 


-Joey
—
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On Fri, Jul 26, 2013 at 3:34 PM, null <dlmarion@comcast.net> wrote:

> "Will 1.4 still work with 0.20 with these patches?" 
> Great point Billie. 
> ----- Original Message -----
> From: "Billie Rinaldi" <billie.rinaldi@gmail.com> 
> To: dev@accumulo.apache.org 
> Sent: Friday, July 26, 2013 3:02:41 PM 
> Subject: Re: Hadoop 2.0 Support for Accumulo 1.4 Branch 
> On Fri, Jul 26, 2013 at 11:33 AM, Joey Echeverria <joey@cloudera.com> wrote: 
>> > If these patches are going to be included with 1.4.4 or 1.4.5, I would 
>> like 
>> > to see the following test run using CDH4 on at least a 5 node cluster. 
>> >  More nodes would be better. 
>> > 
>> >   * unit test 
>> >   * Functional test 
>> >   * 24 hr Continuous ingest + verification 
>> >   * 24 hr Continuous ingest + verification + agitation 
>> >   * 24 hr Random walk 
>> >   * 24 hr Random walk + agitation 
>> > 
>> > I may be able to assist with this, but I can not make any promises. 
>> 
>> Sure thing. Is there already a write-up on running this full battery 
>> of tests? I have a 10 node cluster that I can use for this. 
>> 
>> 
>> > Great.  I think this would be a good patch for 1.4.   I assume that if a 
>> > user stays with Hadoop 1 there are no dependency changes? 
>> 
>> Yup. It works the same way as 1.5 where all of the dependency changes 
>> are in a Hadoop 2.0 profile. 
>> 
> In 1.5.0, we gave up on compatibility with 0.20 (and early versions of 1.0) 
> to make the compatibility requirements simpler; we ended up without 
> dependency changes in the hadoop version profiles.  Will 1.4 still work 
> with 0.20 with these patches?  If there are dependency changes in the 
> profiles, 1.4 would have to be compiled against a hadoop version compatible 
> with the running version of hadoop, correct?  We had some trouble in the 
> 1.5 release process with figuring out how to provide multiple binary 
> artifacts (each compiled against a different version of hadoop) for the 
> same release.  Just something we should consider before we are in the midst 
> of releasing 1.4.4. 
> Billie 
>> -Joey 
>> 
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