ZooKeeper

Table of Contents

• Introduction
• Installing/Configuring
  • Requirements
  • Installation
  • Runtime Configuration
• ZooKeeper Functions
  • zookeeper_dispatch — Calls callbacks for pending operations
• Zookeeper — The Zookeeper class
  • Zookeeper::addAuth — Specify application credentials
  • Zookeeper::close — Close the zookeeper handle and free up any resources
  • Zookeeper::connect — Create a handle to used communicate with zookeeper
  • Zookeeper::__construct — Create a handle to used communicate with zookeeper
  • Zookeeper::create — Create a node synchronously
  • Zookeeper::delete — Delete a node in zookeeper synchronously
  • Zookeeper::exists — Checks the existence of a node in zookeeper synchronously
  • Zookeeper::get — Gets the data associated with a node synchronously
  • Zookeeper::getAcl — Gets the acl associated with a node synchronously
  • Zookeeper::getChildren — Lists the children of a node synchronously
  • Zookeeper::getClientId — Return the client session id, only valid if the connections is currently connected (ie. last watcher state is ZOO_CONNECTED_STATE)
  • Zookeeper::getConfig — Get instance of ZookeeperConfig
  • Zookeeper::getRecvTimeout — Return the timeout for this session, only valid if the connections is currently connected (ie. last watcher state is ZOO_CONNECTED_STATE). This value may change after a server re-connect
  • Zookeeper::getState — Get the state of the zookeeper connection
  • Zookeeper::isRecoverable — Checks if the current zookeeper connection state can be recovered
  • Zookeeper::set — Sets the data associated with a node
  • Zookeeper::setAcl — Sets the acl associated with a node synchronously
  • Zookeeper::setDebugLevel — Sets the debugging level for the library
  • Zookeeper::setDeterministicConnOrder — Enable/disable quorum endpoint order randomization
  • Zookeeper::setLogStream — Sets the stream to be used by the library for logging
  • Zookeeper::setWatcher — Set a watcher function
• ZookeeperConfig — The ZookeeperConfig class
  • ZookeeperConfig::add — Add servers to the ensemble
  • ZookeeperConfig::get — Gets the last committed configuration of the ZooKeeper cluster as it is known to the server to which the client is connected, synchronously
  • ZookeeperConfig::remove — Remove servers from the ensemble
  • ZookeeperConfig::set — Change ZK cluster ensemble membership and roles of ensemble peers
• ZookeeperException — The ZookeeperException class
• ZookeeperAuthenticationException — The ZookeeperAuthenticationException class
• ZookeeperConnectionException — The ZookeeperConnectionException class
• ZookeeperMarshallingException — The ZookeeperMarshallingException class
• ZookeeperNoNodeException — The ZookeeperNoNodeException class
• ZookeeperOperationTimeoutException — The ZookeeperOperationTimeoutException class
• ZookeeperSessionException — The ZookeeperSessionException class