Re: About the replication strategy of Cassandra

2010-03-13 Thread Jonathan Ellis
On Sat, Mar 13, 2010 at 12:51 AM, Kauzki Aranami kazuki.aran...@gmail.com wrote: 1. Please give notes the replication strategy of Cassandra is selected. Can you be more specific? 2. About the Zab protocol adopted with Zookeeper. The weak point of the Paxos protocol of Chubby is a delay. Is

Re: About the replication strategy of Cassandra

2010-03-13 Thread Kauzki Aranami
Does each replication strategy of Rack Unaware Rack Aware(within a datacenter) Datacenter Aware in Cassandra depend by the algorithm adopted respectively? I still don't understand, sorry. The description of the following document is quoted. Cassandra provides various replication

About the replication strategy of Cassandra

2010-03-12 Thread Kauzki Aranami
Hi all. I am interested in the architecture of Cassandra. Cassandra offers the replication policy such as Rack Unaware Rack Aware(within a datacenter) Datacenter Aware. It is necessary to select these replication policies by the application. The algorithm when the replication policy based on