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HDFS >> mail # user >> Re: Hadoop V/S Cassandra


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Marcos Ortiz 2012-12-06, 18:04
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Colin McCabe 2012-12-06, 19:27
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Re: Hadoop V/S Cassandra
Hi Yogesh,
As others have said Hadoop vs Cassandra is not a fair comparison. Although,
HBase vs Cassandra is a fair comparison. You can have a look at this
comparison: http://bigdatanoob.blogspot.com/2012/11/hbase-vs-cassandra.html

HTH,
Anil Gupta

On Thu, Dec 6, 2012 at 11:27 AM, Colin McCabe <[EMAIL PROTECTED]>wrote:

> On Thu, Dec 6, 2012 at 8:55 AM, yogesh dhari <[EMAIL PROTECTED]> wrote:
> > Hi all,
> >
> > Hadoop have different file system(HDFS) and Cassandra have different file
> > system(CFS).
> >
> > As Hadoop have great Eco-System (Hive{Dataware House}, Hbase{Data Base} n
> > etc..) and Cassandra(Database) it self providing its own file system
> >
> > Although  we can run Hadoop's Ecosystem on Cassandra (If I am right ?
> {like
> > pig and hive})
> >
> > Hadoop have single point of Failure but Cassandra doesn't..
> >
> > Please put some light on both of these where Hadoop overtakes Cassandra
> an
> > where Cassandra.
> >
> > And in which use cases we go for any them.
>
> As Harsh commented, HDFS doesn't have a single point of failure any more.
>
> Hadoop and Cassandara are not really competitors.  You can run Hadoop
> on top of Cassandra if you want.
>
> It's possible to compare Cassandra and HBase, and some people have
> done so.  In general, I've been told that Cassandra is a better match
> for situations where you write more than you read, and you don't care
> about data consistency.  But that might be a better question for the
> HBase and/or Cassandra mailing lists.
>
> cheers,
> Colin
>

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Thanks & Regards,
Anil Gupta