Re: Hadoop Summit EU

2014-04-08 Thread Andrew Purtell
I'm curious what part of the below communication should restrict it to private lists? Anyway, use of dev@hbase for this was fine in my opinion. We try to discourage discussion on HBase private lists which should really be done on the dev lists according to the Apache Way. On Mon, Apr 7, 2014 at

Re: Hadoop Summit EU

2014-04-07 Thread Mikhail Antonov
Well...Since that was mentioned anyway, allow me a tiny correction/clarification.. :) It's ConsensusNode, not ConsistencyNode, and it's not really custom Paxos implementation, it's more like interface for coordination service atop standard NameNode, which may be backed by any consensus library/alg

Re: Hadoop Summit EU

2014-04-07 Thread Enis Söztutar
Ops sorry this was intented for internal lists. Apologies for any confusion. Enis On Monday, April 7, 2014, Enis Söztutar wrote: > Me and Devaraj attended their talk on their solution for paxos based > namenode and HBase replication. > > They have two solutions, one for single datacenter, and t

Re: Hadoop Summit EU

2014-04-07 Thread Enis Söztutar
Me and Devaraj attended their talk on their solution for paxos based namenode and HBase replication. They have two solutions, one for single datacenter, and the other multi DC geo replication. For the namenode, there is a wrapper, called ConsistencyNode, that basically gets the requests, replicat