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From tom kersnick <hiveu...@gmail.com>
Subject Re: Hive support to cassandra
Date Thu, 17 Jun 2010 16:38:48 GMT
I really appreciate the help Edward.

/tom


On Thu, Jun 17, 2010 at 8:04 AM, Edward Capriolo <edlinuxguru@gmail.com>wrote:

> On Thu, Jun 17, 2010 at 12:14 AM, tom kersnick <hiveuser@gmail.com> wrote:
>
> > You are not being rude Jeff.  This is a request from the client due to
> ease
> > of use of Cassandra compared to Hbase.  I'm with you on this.  They are
> > looking for apples to apples consistency.  Easy migration of data from
> OLTP
> > (Cassandra) to their Data Warehouse (Cassandra?).  Apparently not.  Is it
> > possible to migrate from Cassandra to Hbase?  Any documentation on this
> > type
> > of push to Hbase from Cassandra would be helpful.
> >
> > Thanks in advance.
> >
> > /tom
> >
> >
> >
> >
> >
> > On Wed, Jun 16, 2010 at 5:44 PM, Jeff Hammerbacher <hammer@cloudera.com
> > >wrote:
> >
> > > Hey Tom,
> > >
> > > I don't want to be rude, but if you're using Cassandra for your data
> > > warehouse environment, you're doing it wrong. HBase is the primary
> focus
> > > for
> > > integration with Hive (see
> > > http://www.cloudera.com/blog/2010/06/integrating-hive-and-hbase/,
> > > example). Cassandra is a great choice for an OLTP application, but
> > > certainly
> > > not for a data warehouse.
> > >
> > > Later,
> > > Jeff
> > >
> > > On Wed, Jun 16, 2010 at 3:22 PM, tom kersnick <hiveuser@gmail.com>
> > wrote:
> > >
> > > > Quick question for all of you.  Its seems that there is more movement
> > > using
> > > > Hive with Hbase rather than Cassandra.  Do you see this changing in
> the
> > > > near
> > > > future?  I have a client who is interested in using Cassandra due to
> > the
> > > > ease of maintenance.  They are planning on using Cassandra for both
> > their
> > > > data warehouse and OLTP environments.  Thoughts?
> > > >
> > > > I saw this ticket and I wanted to ask.
> > > >
> > > > Thanks in advance.
> > > >
> > > > /tom
> > > >
> > > >
> > > > On Mon, May 3, 2010 at 12:42 PM, Edward Capriolo <
> > edlinuxguru@gmail.com
> > > > >wrote:
> > > >
> > > > > On Thu, Apr 8, 2010 at 1:17 PM, shirish <shirishreddy89@gmail.com>
> > > > wrote:
> > > > >
> > > > > > > All,
> > > > > > >
> > > > > > > http://code.google.com/soc/.
> > > > > > >
> > > > > > > It is an interesting thing that Google offers stipends
to get
> > open
> > > > > source
> > > > > > > code written. However, last year I was was interested in
a
> > project
> > > > that
> > > > > > did
> > > > > > > NOT get accepted into GSOC. It was quite deflating to be
not
> > > > > > > accepted/rejected.
> > > > > > >
> > > > > > > Money does make the world go around, and if we all had
plenty
> of
> > > > money
> > > > > we
> > > > > > > would all have more time to write open source code :) But
on
> the
> > > > chance
> > > > > > > your
> > > > > > > application does get rejected consider doing it anyway!
> > > > > > >
> > > > > > > Edward
> > > > > > >
> > > > > >
> > > > > > Definitely Edward, Thanks for the suggestion :)
> > > > > >
> > > > > > shirish
> > > > > >
> > > > >
> > > > > I did not see any cassandra or hive SOC projects....
> > > > >
> > http://socghop.appspot.com/gsoc/program/list_projects/google/gsoc2010.
> > > > :(
> > > > > So
> > > > > if no one is going to pick this cassandra interface up I will pick
> it
> > > up
> > > > > after I close some pending things ....that is two strikes for me
> and
> > > > GSOC.
> > > > >
> > > >
> > >
> >
>
> I am currently in the process of writing a cassandra storage handler to
> match the Hbase one. Ill open a ticket for it. I was looking to tackle it
> after the Hive Variables ticket I am working on.
>
> Edward
>

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