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HBase >> mail # user >> is mapreduce needed?


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Re: is mapreduce needed?
Thanks for the response.

Can you give me some use cases of hbase and hdfs only? I am
really hesitant to implement MR because for batch jobs we already use
torque.

On Tue, Jul 12, 2011 at 8:11 AM, Doug Meil <[EMAIL PROTECTED]>wrote:

>
> Hi there-
>
> I think you might want to start with the Hbase book, and specifically this
> entry...
>
> http://hbase.apache.org/book.html#faq.sql
>
> ... and then this one...
>
> http://hbase.apache.org/book.html#datamodel
>
> .. then this one.
>
> http://hbase.apache.org/book.html#mapreduce
>
> MapReduce is not required with Hbase, but it is extremely useful.
>
>
>
> On 7/12/11 6:06 AM, "Rita" <[EMAIL PROTECTED]> wrote:
>
> >Hello,
> >
> >
> >I have a dataset which is several terabytes in size. I would like to query
> >this data using hbase (sql). Would I need to setup mapreduce to use hbase?
> >Currently the data is stored in hdfs and I am using `hdfs -cat ` to get
> >the
> >data and pipe it into stdin.
> >
> >
> >
> >--
> >--- Get your facts first, then you can distort them as you please.--
>
>
--
--- Get your facts first, then you can distort them as you please.--