I think mac fang means to use ZooKeeper to implement multi-master pattern for NN and JT.
On Wed, Jan 12, 2011 at 8:23 AM, Koji Noguchi <knogu...@yahoo-inc.com>wrote: > Hi. > > If you subscribe to zookeeper mailinglist, you would see a hdfs developer > working on bookeeper recently. > https://issues.apache.org/jira/browse/ZOOKEEPER-465 > https://issues.apache.org/jira/browse/ZOOKEEPER-959 > > Probably related. > https://issues.apache.org/jira/browse/HDFS-234 > > Koji > > > On 1/11/11 11:35 PM, "mac fang" <mac.had...@gmail.com> wrote: > > Hi, all, > > I am NOT sure if there any plan or issues of integrating Zookeeper and > NameNode to resolve the Single Point issue of NameNode. With it, the > DataNodes dont need to be restarted. I think this can improve the > availability of the whole cluster. I heard there is a plan for JobTracker > and TaskTracker, but i dont know if there is the one for HDFS. Currently, i > am working on it. :) > > Any issues or comments are welcome. > > > regards > macf > >