That's my understanding - zookeeper is not tolerant of the high (and more important, variable, as opposed to the local dc) latencies in a WAN environment.
On Tue, Oct 11, 2011 at 9:46 AM, Jay Kreps <jay.kr...@gmail.com> wrote: > In my understanding what is not recommended is having the zookeeper cluster > itself split across datacenters. The reason for this is that writes round > trip through all servers so that would add significantly to the write > latency. I haven't seen an equivalent recommendation on not accessing zk as > a client from another dc. As Jun says, it has worked well for us so far... > > -Jay > > On Tue, Oct 11, 2011 at 3:04 AM, Sharad Agarwal <sharad.apa...@gmail.com > >wrote: > > > I am trying to deploy kafka cluster in two data centers, one being the > > mirror of another. I have read that Linked-in also does similar kind of > > mirroring. I am not sure about the zookeeper cluster deployment. Having > > zookeeper clients talking over WAN is not recommended. Do you use > zookeeper > > observers? > > > > Sharad > > >
