/** * Start up Leader ZooKeeper server and initialize zxid to the new epoch */ private synchronized void startZkServer() { // Update lastCommitted and Db's zxid to a value representing the new epoch lastCommitted = zk.getZxid(); LOG.info("Have quorum of supporters, sids: [ " + getSidSetString(newLeaderProposal.ackSet) + " ]; starting up and setting last processed zxid: 0x{}", Long.toHexString(zk.getZxid())); zk.startup(); /* * Update the election vote here to ensure that all members of the * ensemble report the same vote to new servers that start up and * send leader election notifications to the ensemble. * * @see https://issues.apache.org/jira/browse/ZOOKEEPER-1732 */ self.updateElectionVote(getEpoch()); zk.getZKDatabase().setlastProcessedZxid(zk.getZxid()); }
self.tick = 0; zk.loadData(); zk.startup(); long epoch = self.getLastLoggedZxid() >> 32L; epoch++;