Examples with ServerStats org.apache.zookeeper.server.ServerStats used on opensource projects

Example 1 with ServerStats

use of org.apache.zookeeper.server.ServerStats in project zookeeper by apache.

the class MonitorCommand method commandRun.

@Override
public void commandRun() {
    if (!isZKServerRunning()) {
        pw.println(ZK_NOT_SERVING);
        return;
    }
    ZKDatabase zkdb = zkServer.getZKDatabase();
    ServerStats stats = zkServer.serverStats();
    print("version", Version.getFullVersion());
    print("avg_latency", stats.getAvgLatency());
    print("max_latency", stats.getMaxLatency());
    print("min_latency", stats.getMinLatency());
    print("packets_received", stats.getPacketsReceived());
    print("packets_sent", stats.getPacketsSent());
    print("num_alive_connections", stats.getNumAliveClientConnections());
    print("outstanding_requests", stats.getOutstandingRequests());
    print("server_state", stats.getServerState());
    print("znode_count", zkdb.getNodeCount());
    print("watch_count", zkdb.getDataTree().getWatchCount());
    print("ephemerals_count", zkdb.getDataTree().getEphemeralsCount());
    print("approximate_data_size", zkdb.getDataTree().approximateDataSize());
    OSMXBean osMbean = new OSMXBean();
    if (osMbean != null && osMbean.getUnix() == true) {
        print("open_file_descriptor_count", osMbean.getOpenFileDescriptorCount());
        print("max_file_descriptor_count", osMbean.getMaxFileDescriptorCount());
    }
    if (stats.getServerState().equals("leader")) {
        Leader leader = ((LeaderZooKeeperServer) zkServer).getLeader();
        print("followers", leader.getLearners().size());
        print("synced_followers", leader.getForwardingFollowers().size());
        print("pending_syncs", leader.getNumPendingSyncs());
    }
}