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Accumulo, mail # dev - Hadoop 2.0 Support for Accumulo 1.4 Branch


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Re: Hadoop 2.0 Support for Accumulo 1.4 Branch
Joey Echeverria 2013-07-29, 17:23
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 <[EMAIL PROTECTED]> wrote:

> "Will 1.4 still work with 0.20 with these patches?"
> Great point Billie.
> ----- Original Message -----
> From: "Billie Rinaldi" <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> 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 <[EMAIL PROTECTED]> 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
>>