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From Eric Newton <>
Subject Re: Tablet Server locality
Date Fri, 08 Aug 2014 17:47:46 GMT
The tablet servers will work.  They will just fetch data from wherever it
lives in HDFS.  Writes will go local (and replicated out) if there's a
local datanode.  It may not be optimal, but it won't be terrible, either.

On Fri, Aug 8, 2014 at 10:50 AM, Joe Stein <> wrote:

> Hi, I have been looking into what it might take to get Accumulo to run on
> Apache Mesos.
> I am not sure if anyone has done this yet?
> My biggest issue/concern is with the Tablet server and how it deals with
> not being local to every data node.  I feel like maybe I am missing
> something here?  Lets say you have 100 HDFS data nodes and you need only 10
> tablet servers.  How does this work best for Accumulo?  I am guessing that
> the 10 tablet servers just have to deal with data not always being local
> and that is the trade off?  It seems that a YARN deploy would have the same
> issue.
> Thanks in advance.
> /*******************************************
>  Joe Stein
>  Founder, Principal Consultant
>  Big Data Open Source Security LLC
>  Twitter: @allthingshadoop <>
> ********************************************/

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