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From Marcos Ortiz <mlor...@uci.cu>
Subject Re: Hadoop V/S Cassandra
Date Thu, 06 Dec 2012 18:04:49 GMT

On 12/06/2012 11:55 AM, yogesh dhari 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..
There are two projects in Hadoop working to avoid SPOF called HDFS HA 
and HDFS Federation.
There is a new branch called YARN which include all this.

>
> Please put some light on both of these where Hadoop overtakes 
> Cassandra an where Cassandra.
I think a more fair comparison is with HBase, not with Hadoop.
Look here
http://horicky.blogspot.com/2010/10/bigtable-model-with-cassandra-and-hbase.html
>
> And in which use cases we go for any them.
>
>
> Thanks & Regards
> Yogesh Kumar
>
>
>
> <http://www.uci.cu/>

-- 

Marcos Luis Ortíz Valmaseda
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