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From Josh Patterson <j...@cloudera.com>
Subject Re: hbase data
Date Tue, 29 May 2012 17:13:27 GMT
unless you need low latency access to all of this time series, it
might be a more cost efficient path to store large archives of the
data in plain HDFS.

The scanning can be done more efficiently in a lot of cases in MapReduce + HDFS.

Some links:

OSCON-data presentation (good TVA story here):



Engineering Literature:



On Thu, May 17, 2012 at 7:23 PM, Rita <rmorgan466@gmail.com> wrote:
> Hello,
> Currently, using hbase to store sensor data -- basically large time series
> data hitting close to 2 billion rows for a type of sensor. I was wondering
> how hbase differs from HDF (http://www.hdfgroup.org/HDF5/)  file format.
> Most of my operations are scanning a range and getting its values but it
> seems I can achieve this usind HDF. Does anyone have experience with this
> file container format and shed some light?
> --
> --- Get your facts first, then you can distort them as you please.--

Twitter: @jpatanooga
Solution Architect @ Cloudera
hadoop: http://www.cloudera.com

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