Re: DataCenters each with their own local data source

2011-11-22 Thread Jeremiah Jordan
Oops, I was thinking all in the same keyspace. If you made a new keyspace for each DC you could specify where to put the data and have them only be in one place. -Jeremiah On Nov 22, 2011, at 8:49 PM, Jeremiah Jordan wrote: > Cassandra's Multiple Data Center Support is meant for replicating a

Re: DataCenters each with their own local data source

2011-11-22 Thread Jeremiah Jordan
Cassandra's Multiple Data Center Support is meant for replicating all data across multiple datacenter's efficiently. You could use the Byte Order Partitioner to prefix data with a key and assign those keys to nodes in specific data centers, though the edge nodes would get tricky as those would

RE: DataCenters each with their own local data source

2011-11-22 Thread Mathieu Lalonde
Hi, Thanks for the quick reply.  Sorry if my question was not clear.  I tried to provide more info. > Date: Tue, 22 Nov 2011 20:43:33 -0500 > Subject: Re: DataCenters each with their own local data source > From: md.jahangi...@gmail.com &

Re: DataCenters each with their own local data source

2011-11-22 Thread Jahangir Mohammed
Distributing writes to all D.C.s? or reads? If each D.C. has data specific to that particular geo, why do you have to read from remote D.C. ? You can easily incorporate logic to re-direct operation(either write/read) to appropriate(local) D.C. Still wondering why you want to do so?. Am assuming