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From Lance Norskog <>
Subject Re: Support of HBase
Date Thu, 16 Feb 2012 03:52:12 GMT
Cool! Does this use the HBase JDBC driver, or did you use the direct
HBase library? There is a high-speed parallel version of the HBase
code that should be really fast with Hadoop.

On Wed, Feb 15, 2012 at 5:34 PM, Qiang Xu <> wrote:
> Just checked some Mahout code, its distribution code is written in map reduce.And Hbase
support that. So I agree with srowen, it sould be easy for hbase integration. The following
work is change the input and out put to a hbase table.I also bought a MiA yesterday, really
useful.But I still cannot run mahout in hadoop molde for kmeans. Now I am really attract by
machine learning applcations, you are doing a awesome project. BTW, I also write my own book
for coud computing, that is focus on parellel computing.  > Date: Wed, 15 Feb 2012 15:14:48
>> Subject: Re: Support of HBase
>> From:
>> To:;
>> In the non-distributed bit of the code? no... though I put together a
>> Cassandra-backed implementation and a Mongo-backed one was
>> contributed. It can't be hard to write.
>> These don't do much in the sense that the data gets loaded into memory
>> anyway. It just facilitiates reading it off storage.
>> On Wed, Feb 15, 2012 at 2:59 PM, Ahmed Abdeen Hamed
>> <> wrote:
>> > Hello,
>> >
>> > I learned from the MiA book that Mahout supports recommendations from a
>> > database using JDBCDataModel VS in-memory recommendation. Does Mahout also
>> > support HBase natively the way it does with JDBC? I would appreciate any
>> > help including examples.
>> >
>> > Thanks very much,
>> > -Ahmed

Lance Norskog

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