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From Stack <st...@duboce.net>
Subject Re: Reading Hbase data directly from HDFS
Date Fri, 11 Mar 2011 16:34:50 GMT
What Lars said.  Or point him at
http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/mapreduce/TableInputFormat.html
 Its form is probably familiar given his background (For more on hbase
and mapreduce, point him at
http://hbase.apache.org/apidocs/org/apache/hadoop/hbase/mapreduce/package-summary.html#package_description)

St.Ack

On Fri, Mar 11, 2011 at 8:19 AM, Lars George <lars.george@gmail.com> wrote:
> Hi,
>
> How is he supposed to read the data form HDFS? Reading the low level store files is difficult
at the least and also does not take into account unflushed edits.
>
> You better provide him with the data on HDFS yourself using some sort of export or have
him brush up on his API skillz.
>
> You could set up a Thrift or Rest server for him to retrieve the data.
>
> Lars
>
> On Mar 11, 2011, at 16:36, Barney Frank <barneyfranks1@gmail.com> wrote:
>
>> I am working with a partner who knows very little about Hbase, but has lots
>> of experience reading data from Hadoop/HDFS.  He has existing connectors to
>> Hadoop so should I recommend that he use those to extract the HBASE data
>> into his existing data store?  (He would only be reading data.  I assume
>> writing would be problematic.)  Hence there wouldn't be a need for
>> additional development work on his side outside of understanding how to read
>> my schema.  What are the Pros/Cons of this approach?  Could it be done?
>>
>> Thanks for the advice.
>

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