> Besides, I want to know how to share one ZooKeeper cluster with several > BookKeeper clusters? That is, how to specify a root directory of ZooKeeper > for one Bookie? what you want is # zkLedgersRootPath=/ledgers in bk_server.conf
Also, you should probably use the HierarchicalLedgerManager as there are limits in zk for how many children a znode can have, and this has an effect on how we lay out the ledger znodes. see http://zookeeper.apache.org/bookkeeper/docs/r4.1.0/bookkeeperInternals.html -Ivan
