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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Snapshots V. SSTables2Json
Date Wed, 21 Sep 2011 14:27:28 GMT
you can snapshot individual CFs.  sstable2json is primarily for debugging.

On Wed, Sep 21, 2011 at 9:17 AM, David McNelis
<dmcnelis@agentisenergy.com> wrote:
> When planning a DR strategy, which option is going to, most consistently,
> take the least amount of disk space, be fastest to recover from, least
> complicated recovery, ect?
> I've read through the Operations documents and my take is this so far.  If I
> have specific column families I want to snapshot across the cluster, then
> sstables2json would make the most sense.  However, if I want to back  up an
> individual node(s), so that I can better and more quickly recover from a
> node failure then snapshots would make more sense?
> Regularly backing up the data on a large cluster with a high replication
> factor is redundant, but in a situation where you have an RF <= 2, and are
> located in a single rack / datacenter, then it might make sense to implement
> something like this to backup and store data offsite, and I'm trying to
> figure out  what a good, viable, and storage efficient plan would look like.
> --
> David McNelis
> Lead Software Engineer
> Agentis Energy
> www.agentisenergy.com
> o: 630.359.6395
> c: 219.384.5143
> A Smart Grid technology company focused on helping consumers of energy
> control an often under-managed resource.
>
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support
http://www.datastax.com

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