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Date: Wed, 08 May 2013 19:47:43 -0400
From: Josh Elser <josh.elser@gmail.com>
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Subject: Re: Accumulo / Hadoop version compatibility matrix
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You're fine. You may have to rebuild Accumulo from source, that's all.

It will be rather obvious to you when you visit the monitor: if you get 
a NoSuchMethodException regarding NetUtils, you'll need to rebuild. If 
that is the case, we can work with you to get you the necessary pom changes.

On 05/08/2013 07:44 PM, Terry P. wrote:
> Uh oh ... I saw in the README that Accumulo 1.4.2 had been tested with 
> Hadoop 0.20.2, which is the version found in CDH3u5.  I didn't see 
> anything that called out issues with CDH3u4+ in the README (in fact 
> neither Cloudera nor cdh are found in the readme anywhere).
>
> So I'm running Accumulo 1.4.2 on CDH3u5 on an 8-node cluster which I 
> was intending to deliver as a Dev environment this Friday.  I did not 
> build Accumulo, I'm using the binary distribution.
>
> One reason I chose cdh3u5 was because it's "approved" FOSS software.  
> No Hadoop 1.1.x is approved (yet), and our approval chain is lengthy.
>
> Did I just make a colossal error?  What exactly "doesn't work" with 
> cdh3u4+?  How bad of shape am I in?  Data loss bad?
>
> -tp
>
>
>
> On Wed, May 8, 2013 at 6:36 PM, Josh Elser <josh.elser@gmail.com 
> <mailto:josh.elser@gmail.com>> wrote:
>
>     In regards to a released 1.4, you're right, Billie. My bad.
>
>     I think I pulled back the necessary changes to 1.4 from 1.5 at
>     some point... I don't think I did commit that though. Oops.
>
>     On 05/08/2013 06:51 PM, Billie Rinaldi wrote:
>
>         On Wed, May 8, 2013 at 2:39 PM, Josh Elser
>         <josh.elser@gmail.com <mailto:josh.elser@gmail.com>
>         <mailto:josh.elser@gmail.com <mailto:josh.elser@gmail.com>>>
>         wrote:
>
>             "It does NOT work against... " these versions without building
>             Accumulo against those specific artifacts.
>
>             I know for sure that you can run against CDH3u4+ if you build
>             Accumulo yourself and provide the necessary options (I
>         think this
>             is written down; if not, we need to remedy that). I assume the
>             same to be true for 0.23 and 2.
>
>
>         Josh, are you referring to 1.5 or 1.4 here?  Building 1.4
>         against different versions of Hadoop would require modifying
>         the poms.
>
>         Billie
>
>
>
>             On 5/8/13 5:34 PM, John Vines wrote:
>
>                 For Accumulo 1.4.x we have compatibility with Hadoop
>             0.20.x -
>                 hadoop-1.1.x, CDH3u1-3, MapR, and all current releases
>             of HDP. It
>                 does NOT work against CDH3u4+, CDH4.x, hadoop 0.23.x,
>             and hadoop 2+.
>
>
>                 On Wed, May 8, 2013 at 5:15 PM, Mike Hugo
>             <mike@piragua.com <mailto:mike@piragua.com>
>                 <mailto:mike@piragua.com <mailto:mike@piragua.com>>>
>             wrote:
>
>                     I'm looking for guidance on what versions of
>             Hadoop will work
>                     with Accumulo 1.4.3.  I checked the user manual
>             and aside
>                     from indicating that HDFS and Zookeeper are
>             required, it
>                     doesn't contain compatible versions.
>
>                     In particular, I'm interested to know if Accumulo
>             1.4.3 will
>                     work with Hadoop 1.1.2
>
>                     Does a version compatibility list exist somewhere?
>
>                     Thanks,
>
>                     Mike
>
>
>
>
>
>