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From Edward Capriolo <edlinuxg...@gmail.com>
Subject Re: selective replication of keyspaces
Date Wed, 28 Nov 2012 01:28:46 GMT
My mistake that is older cli syntax, I wad just showing the concept set up
4 datacenter and selectively replicate keyspaces between them.

On Tuesday, November 27, 2012, jeremy@simpleartmarketing.com <
jeremy@simpleartmarketing.com> wrote:
> Thank you.  This is a good  start I was beginning to think it couldn't be
done.
>
> When I run the command I get the error
>
> syntax error at position 21: missing EOF at 'placement_strategy'
>
> that is probably because I still need to set the correct properties in
the conf files
>
>
> On November 27, 2012 at 5:41 PM Edward Capriolo <edlinuxguru@gmail.com>
wrote:
>
> You can do something like this:
>
> Divide your nodes up into 4 datacenters art1,art2,art3,core
>
> [default@unknown] create keyspace art1 placement_strategy =
'org.apache.cassandra.locator.NetworkTopologyStrategy' and
strategy_options=[{art1:2,core:2}];
>
> [default@unknown] create keyspace art2 placement_strategy =
'org.apache.cassandra.locator.NetworkTopologyStrategy' and
strategy_options=[{art2:2,core:2}];
>
> [default@unknown] create keyspace art3 placement_strategy =
'org.apache.cassandra.locator.NetworkTopologyStrategy' and
strategy_options=[{art3:2,core:2}];
>
> [default@unknown] create keyspace core placement_strategy =
'org.apache.cassandra.locator.NetworkTopologyStrategy' and
strategy_options=[{core:2}];
>
>
> On Tue, Nov 27, 2012 at 5:02 PM, Artist <jeremy@simpleartmarketing.com>
wrote:
>
> I have 3 art-servers each has a cassandra cluster.
> Each of the art-servers has config/state information stored in a Keyspaces
> respectively called
> art-server-1-current-state, art-server-2-current-state,
> art-server-3-current-state
>
> in my core server I have a separate Cassandra cluster.  I would like to
use
> Cassandra to replicate the current-state of each art-server on the core
> cassandra server without sharing that information with any of the
> art-servers.
>
> Is there is a way to replicate the keyspaces to a single Cassandra cluster
> my core without having any peer sharing between the 3 art-servers.
>
> -
> Artist
>
>
>
> --
> View this message in context:
http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/selective-replication-of-keyspaces-tp7584007.html
> Sent from the cassandra-user@incubator.apache.org mailing list archive at
Nabble.com.
>
>

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