It's all handled by the zookeeper library, check out their documentation: http://zookeeper.apache.org/doc/trunk/
J-D On Fri, Jul 27, 2012 at 11:53 AM, Yongcheng Li <yongcheng...@sas.com> wrote: > I am testing my multi-master HBase configuration and want to know how HBase > master keep its Zookeeper session alive. Does the master (version .94 or > later) send heartbeat message to ZooKeeper periodically? If yes, how often > does it send the heartbeat message? If not, how does it present the session > from expiring? > > Thanks! > > Yongcheng Li