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From "jeremy@simpleartmarketing.com" <jer...@simpleartmarketing.com>
Subject Re: selective replication of keyspaces
Date Wed, 28 Nov 2012 00:28:50 GMT
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
> <mailto: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
> > <http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/selective-replication-of-keyspaces-tp7584007.html>
> >    Sent from the cassandra-user@incubator.apache.org
> > <mailto:cassandra-user@incubator.apache.org> mailing list archive at
> > Nabble.com.
> >  > 

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