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From Nikolay Mihaylov <n...@nmmm.nu>
Subject Re: differences between DataStax Community Edition and Cassandra package
Date Fri, 19 Apr 2013 21:56:00 GMT
Is there alternative file systems running on top of cassandra?



On Fri, Apr 19, 2013 at 7:44 PM, Robert Coli <rcoli@eventbrite.com> wrote:

> On Fri, Apr 19, 2013 at 4:18 AM, Goktug YILDIRIM
> <goktug.yildirim@gmail.com> wrote:
> >
> > I am sorry if this a very well know topic and I missed that. I wonder
> why one must use CFS. What is unavailable in Cassandra without CFS?
>
>
> The SOLR stuff (also only-in-DSE) uses CFS for Hadoop-like storage.
> This is so you can use full SOLR support with DSE Cassandra without
> needing Hadoop.
>
> http://www.datastax.com/dev/blog/cassandra-file-system-design
> "
> The Cassandra File System (CFS) is an HDFS compatible filesystem built
> to replace the traditional Hadoop NameNode, Secondary NameNode and
> DataNode daemons. It is the foundation of our Hadoop support in
> DataStax Enterprise.
>
> The main design goals for the Cassandra File System were to first,
> simplify the operational overhead of Hadoop by removing the single
> points of failure in the Hadoop NameNode. Second, to offer easy Hadoop
> integration for Cassandra users (one distributed system is enough)
> "
>
> =Rob
>

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