> For example, can I have one ZK instance and one broker on one machine and that is enough to define a ZK cluster and a Kafka Cluster?
Yes, although you don't get the reliability of ZK now. Jun On Wed, Jan 11, 2012 at 2:06 PM, Christian Carollo <ccaro...@gmail.com>wrote: > Jun, > > I don't think I ask my question the right way. > > What I am trying to understand is what are the minimum constituent parts > of a kafka cluster? > > Based on your last email, I am now wondering what are the minimum > constituent parts of a ZK cluster as well as a Kafka cluster? > > For example, can I have one ZK instance and one broker on one machine and > that is enough to define a ZK cluster and a Kafka Cluster? > > Thanks, > Christian > > > On Jan 11, 2012, at 1:50 PM, Jun Rao <jun...@gmail.com> wrote: > > > Chrsitan, > > > > A Kafka cluster containers a ZK cluster and a list of brokers. When a > > consumer subscribes to a topic in a kafka cluster, it consumes data > stored > > in all brokers in that cluster. > > > > Thanks, > > > > Jun > > > > On Tue, Jan 10, 2012 at 11:28 PM, Christian Carollo <ccaro...@gmail.com > >wrote: > > > >> Thank you Jun that is quite helpful. I have a question about Kafka > >> Clusters. What are the minimum number and types of services that must > be > >> running to make up a Kafka Cluster? > >> > >> I ask this because the diagrams (in the Kafka Mirroring document) allude > >> to a multiple broker environment, however, since each broker does not > >> appear to provide redundancy (as of today) to any of the other brokers > in a > >> given zookeeper service, it seems like a Kafka Cluster is nothing more > than > >> a grouping of a single zookeeper instance with a single Kafka broker, is > >> this the correct understanding? > >> > >> Thanks, > >> Christian > >> > >> On Jan 10, 2012, at 8:47 AM, Jun Rao wrote: > >> > >>> With 0.7, you can set up inter-cluster replication ( > >>> https://cwiki.apache.org/confluence/display/KAFKA/Kafka+mirroring). > >>> > >>> For the future 0.8 release, we are working on intra-cluster replication > >>> support and details can be found at > >>> https://issues.apache.org/jira/browse/KAFKA-50 > >>> > >>> Thanks, > >>> > >>> Jun > >>> > >>> On Mon, Jan 9, 2012 at 9:52 PM, Christian Carollo <ccaro...@gmail.com > >>> wrote: > >>> > >>>> I am looking to implement Kafka in a production environment, however, > I > >>>> haven't found in documentation or examples that > >>>> discuss how to build a redundant implementation. Is there any > >>>> documentation out their (blogs, articles, etc.) that describes > >>>> how we can implement such a system with Kafka 0.6 or 0.7. > >>>> > >>>> Also, is there a timeframe the community is shooting for, to release > >> 0.8 w/ > >>>> replication? > >>>> > >>>> Thanks > >>>> Christian > >>>> > >> > >> >
