3. 创建MonitorClient.java, 代码如下所示
public class MonitorClient {
// 表名为
jvmMonitor
public final static String TABLE_NAME = "jvmMonitor";
//列族名 "target", "memory", "os"
public final static String[] COLUM_FAMILIES = new String[]{"target", "memory", "os"};
private MBeanServerConnection connect;
private HTable htable;
private String serverIP; //Web服务器IP
private int serverPort;
//
Web
服务器端口
private String userName; //
Web
服务器
用户名
private String password; //
Web
服务器密码
private HBaseAdmin admin;
private String partRowKey; //行健的前半部分
public static void main(String[] args) throws Exception {
// 为了方便测试，将所监控
Web
服务器的IP，端口，用户名，密码写死在主函数中。
args = new String[4];
args[0] = "192.168.1.107";
args[1] = "8686";
args[2] = "admin";
args[3] = "adminadmin";
MonitorClient monitorClient = new MonitorClient();
monitorClient.setServerIP(args[0]);
monitorClient.setServerPort(Integer.valueOf(args[1]));
monitorClient.setUserName(args[2]);
monitorClient.setPassword(args[3]);
monitorClient.doMonitor();
}
public void doMonitor() {
try {
// 创建表
this.createTable();
while (true) {
//建立到web服务器的JMX协议连接
if (this.connect == null) {
this.connect = getJMXConnector(serverIP, serverPort, userName, password);
}
//插入数据
this.insertData();
//暂停10秒后继续监控
TimeUnit.SECONDS.sleep(10);
}
} catch (Exception ex) {
Logger.getLogger(MonitorClient.class.getName()).log(Level.SEVERE, null, ex);
} finally {
//若发生异常关闭到HBase连接
if (this.htable != null) {
try {
this.htable.close();
} catch (Exception ex) {
}
}
if (this.admin != null) {
try {
this.admin.close();
} catch (Exception ex) {
}
}
}
}
// 方法 getJMXConnector 用于建立到Web 服务器的连接
private MBeanServerConnection getJMXConnector(String serverIP, int serverPort, String userName, String password) throws Exception {
String jmxURL = "service:jmx:rmi:///jndi/rmi://" + serverIP + ":" + serverPort + "/jmxrmi";
final JMXServiceURL target = new JMXServiceURL(jmxURL);
Map env = new HashMap();
env.put(JMXConnector.CREDENTIALS, new String[]{userName, password});
JMXConnector jmxConnector = JMXConnectorFactory.connect(target, env);
System.out.println(" ---successful to connect to " + this.serverIP + ":" + this.serverPort + " ---");
return jmxConnector.getMBeanServerConnection();
}
// 在HBase中建立表，如果已存在则不再创建
private void createTable() throws Exception {
boolean isExist = false;
Configuration conf = HBaseConfiguration.create();
admin = new HBaseAdmin(conf);
HTableDescriptor[] tables = admin.listTables();
for (HTableDescriptor eachTtd : tables) {
if (TABLE_NAME.equals(eachTtd.getNameAsString())) {
isExist = true;
System.out.println(" --- table " + TABLE_NAME + " exist---");
break;
}
}
if (!isExist) {
HTableDescriptor htd = new HTableDescriptor(TABLE_NAME);
HColumnDescriptor hcd0 = new HColumnDescriptor(COLUM_FAMILIES[0]);
HColumnDescriptor hcd1 = new HColumnDescriptor(COLUM_FAMILIES[1]);
HColumnDescriptor hcd2 = new HColumnDescriptor(COLUM_FAMILIES[2]);
htd.addFamily(hcd0);
htd.addFamily(hcd1);
htd.addFamily(hcd2);
admin.createTable(htd);
System.out.println(" ---successful to create table " + TABLE_NAME + " ---");
}
this.htable = new HTable(conf, TABLE_NAME);
}
// 从Web服务器从获取信息，并插入表中
private void insertData() throws Exception {
final MemoryMXBean mxBean = ManagementFactory.newPlatformMXBeanProxy(
connect, ManagementFactory.MEMORY_MXBEAN_NAME, MemoryMXBean.class);
// JVM 内存信息
MemoryUsage muh = mxBean.getHeapMemoryUsage();
long heapUsedKB = muh.getUsed() / 1024;
long heapMaxKB = muh.getMax() / 1024;
long heapCommitKB = muh.getCommitted() / 1024;
long heapUtil = (heapUsedKB * 100L) / heapCommitKB;
MemoryUsage munh = mxBean.getNonHeapMemoryUsage();
long nonHeapUsedKB = munh.getUsed() / 1024;
long nonHeapMaxKB = munh.getMax() / 1024;
long nonHeapCommitKB = munh.getCommitted() / 1024;
long nonHeapUtil = (nonHeapUsedKB * 100L) / nonHeapCommitKB;
//服务器的操作系统信息
ObjectName objOperatingSystem = new ObjectName("java.lang:type=OperatingSystem");
long virtMemCommitKB = (Long) connect.getAttribute(objOperatingSystem, "CommittedVirtualMemorySize") / 1024;
long freePhyMemKB = (Long) connect.getAttribute(objOperatingSystem, "FreePhysicalMemorySize") / 1024;
long freeSwapKB = (Long) connect.getAttribute(objOperatingSystem, "FreeSwapSpaceSize") / 1024;
long totalPhyMemKB = (Long) connect.getAttribute(objOperatingSystem, "TotalPhysicalMemorySize") / 1024;
long totalSwapKB = (Long) connect.getAttribute(objOperatingSystem, "TotalSwapSpaceSize") / 1024;
long phyMemUtil = 100 - 100 * freePhyMemKB / totalPhyMemKB;
long swapMemUtil = 100 - 100 * freeSwapKB / totalSwapKB;
long nanoBefore = System.nanoTime();
long cpuBefore = (Long) connect.getAttribute(objOperatingSystem, "ProcessCpuTime");
TimeUnit.SECONDS.sleep(3);
long cpuAfter = (Long) connect.getAttribute(objOperatingSystem, "ProcessCpuTime");
long nanoAfter = System.nanoTime();
long cpuUtil;
if (nanoAfter > nanoBefore) {
cpuUtil = ((cpuAfter - cpuBefore) * 100L) / (nanoAfter - nanoBefore);
} else {
cpuUtil = 0;
}
String rowKey = this.makeRowKey();
byte[] row = Bytes.toBytes(rowKey);
byte[] bytesTarget = Bytes.toBytes(COLUM_FAMILIES[0]);
byte[] bytesMemory = Bytes.toBytes(COLUM_FAMILIES[1]);
byte[] bytesOS = Bytes.toBytes(COLUM_FAMILIES[2]);
Put put = new Put(row);
//插入
Web
服务器IP、端口信息
put.add(bytesTarget, Bytes.toBytes("serverIP"), Bytes.toBytes(String.valueOf(this.serverIP)));
put.add(bytesTarget, Bytes.toBytes("serverPort"), Bytes.toBytes(String.valueOf(this.serverPort)));
//插入
Web
服务器JVM内存信息
put.add(bytesMemory, Bytes.toBytes("heapUsedKB"), Bytes.toBytes(String.valueOf(heapUsedKB)));
put.add(bytesMemory, Bytes.toBytes("heapMaxKB"), Bytes.toBytes(String.valueOf(heapMaxKB)));
put.add(bytesMemory, Bytes.toBytes("heapCommitKB"), Bytes.toBytes(String.valueOf(heapCommitKB)));
put.add(bytesMemory, Bytes.toBytes("heapUtil"), Bytes.toBytes(String.valueOf(heapUtil)));
put.add(bytesMemory, Bytes.toBytes("nonHeapUsedKB"), Bytes.toBytes(String.valueOf(nonHeapUsedKB)));
put.add(bytesMemory, Bytes.toBytes("nonHeapMaxKB"), Bytes.toBytes(String.valueOf(nonHeapMaxKB)));
put.add(bytesMemory, Bytes.toBytes("nonHeapCommitKB"), Bytes.toBytes(String.valueOf(nonHeapCommitKB)));
put.add(bytesMemory, Bytes.toBytes("nonHeapUtil"), Bytes.toBytes(String.valueOf(nonHeapUtil)));
//插入
Web
服务器操作系统信息
put.add(bytesOS, Bytes.toBytes("virtMemCommitKB"), Bytes.toBytes(String.valueOf(virtMemCommitKB)));
put.add(bytesOS, Bytes.toBytes("freePhyMemKB"), Bytes.toBytes(String.valueOf(freePhyMemKB)));
put.add(bytesOS, Bytes.toBytes("freeSwapKB"), Bytes.toBytes(String.valueOf(freeSwapKB)));
put.add(bytesOS, Bytes.toBytes("totalSwapKB"), Bytes.toBytes(String.valueOf(totalSwapKB)));
put.add(bytesOS, Bytes.toBytes("phyMemUtil"), Bytes.toBytes(String.valueOf(phyMemUtil)));
put.add(bytesOS, Bytes.toBytes("swapMemUtil"), Bytes.toBytes(String.valueOf(swapMemUtil)));
put.add(bytesOS, Bytes.toBytes("cpuUtil"), Bytes.toBytes(String.valueOf(cpuUtil)));
htable.put(put);
htable.flushCommits();
System.out.println(" --- insert one row : " + rowKey + " ---");
}
// 生成行健，行健用
Web
服务器IP和数据采集的时间来表示，共24位，前12位是IP，后12位是时间，不够的在前面用0填充
// 例如：IP为 10.1.2.122，时间为2012-11-25 23:01:08，则行健为01000100212220121125230108
private void makePartRowKey() {
String[] splits = this.serverIP.split("[.]");
for (int i =0;i
String s = splits[i];
int len = s.length();
while (len < 3) {
s="0"+s;
len ++;
}
splits[i] = s;
}
this.partRowKey = splits[0]+ splits[1] + splits[2] + splits[3] ;
}
// 根据
Web
服务器IP生成行健的前半部分
private String makeRowKey() {
if (this.partRowKey == null) {
this.makePartRowKey();
}
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
Date date = new Date();
String formatData = sdf.format(date);
return this.partRowKey + formatData;
}
// 以下为Getter Setter
public String getServerIP() {
return serverIP;
}
public void setServerIP(String serverIP) {
this.serverIP = serverIP;
}
public int getServerPort() {
return serverPort;
}
public void setServerPort(int serverPort) {
this.serverPort = serverPort;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
程序运行的控制台打印结果：
..............................
12/11/25 22:58:15 INFO zookeeper.ZooKeeper: Client environment:java.compiler=
12/11/25 22:58:15 INFO zookeeper.ZooKeeper: Client environment:os.name=Windows 7
12/11/25 22:58:15 INFO zookeeper.ZooKeeper: Client environment:os.arch=x86
12/11/25 22:58:15 INFO zookeeper.ZooKeeper: Client environment:os.version=6.1
12/11/25 22:58:15 INFO zookeeper.ZooKeeper: Client environment:user.name=hui.li
12/11/25 22:58:15 INFO zookeeper.ZooKeeper: Client environment:user.home=C:\Users\hui.li
12/11/25 22:58:15 INFO zookeeper.ZooKeeper: Client environment:user.dir=D:\CentOS64\Share\Example
12/11/25 22:58:15 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=192.168.1.201:2181 sessionTimeout=180000 watcher=hconnection
12/11/25 22:58:15 INFO zookeeper.ClientCnxn: Opening socket connection to server /192.168.1.201:2181
12/11/25 22:58:15 INFO zookeeper.ClientCnxn: Socket connection established to server1/192.168.1.201:2181, initiating session
12/11/25 22:58:15 INFO zookeeper.ClientCnxn: Session establishment complete on server server1/192.168.1.201:2181, sessionid = 0x3b35ddd5d4001d, negotiated timeout = 180000
---successful to create table jvmMonitor ---
12/11/25 22:58:16 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=192.168.1.201:2181 sessionTimeout=180000 watcher=hconnection
12/11/25 22:58:16 INFO zookeeper.ClientCnxn: Opening socket connection to server /192.168.1.201:2181
12/11/25 22:58:16 INFO zookeeper.ClientCnxn: Socket connection established to server1/192.168.1.201:2181, initiating session
12/11/25 22:58:16 INFO zookeeper.ClientCnxn: Session establishment complete on server server1/192.168.1.201:2181, sessionid = 0x3b35ddd5d4001e, negotiated timeout = 180000
---successful to connect to 192.168.1.107:8686 ---
--- insert one row : 19216800110720121125225820 ---
--- insert one row : 19216800110720121125225833 ---
--- insert one row : 19216800110720121125225846 ---
--- insert one row : 19216800110720121125225859 ---
--- insert one row : 19216800110720121125225912 ---
........................
在Hbase shell 下面查看表
jvmMonitor：
hbase(main):041:0> scan 'jvmMonitor'
........................................
19216800110720121126004237 column=memory:heapMaxKB, timestamp=1353861709757, value=506816
19216800110720121126004237 column=memory:heapUsedKB, timestamp=1353861709757, value=76504
19216800110720121126004237 column=memory:heapUtil, timestamp=1353861709757, value=46
19216800110720121126004237 column=memory:nonHeapCommitKB, timestamp=1353861709757, value=84096
19216800110720121126004237 column=memory:nonHeapMaxKB, timestamp=1353861709757, value=229376
19216800110720121126004237 column=memory:nonHeapUsedKB, timestamp=1353861709757, value=83955
19216800110720121126004237 column=memory:nonHeapUtil, timestamp=1353861709757, value=99
19216800110720121126004237 column=os:cpuUtil, timestamp=1353861709757, value=0
19216800110720121126004237 column=os:freePhyMemKB, timestamp=1353861709757, value=960380
19216800110720121126004237 column=os:freeSwapKB, timestamp=1353861709757, value=4194303
19216800110720121126004237 column=os:phyMemUtil, timestamp=1353861709757, value=78
19216800110720121126004237 column=os:swapMemUtil, timestamp=1353861709757, value=0
19216800110720121126004237 column=os:totalSwapKB, timestamp=1353861709757, value=4194303
19216800110720121126004237 column=os:virtMemCommitKB, timestamp=1353861709757, value=293684
19216800110720121126004237 column=target:serverIP, timestamp=1353861709757, value=192.168.1.107
19216800110720121126004237 column=target:serverPort, timestamp=1353861709757, value=8686
19216800110720121126004250 column=memory:heapCommitKB, timestamp=1353861722751, value=164192
19216800110720121126004250 column=memory:heapMaxKB, timestamp=1353861722751, value=506816
19216800110720121126004250 column=memory:heapUsedKB, timestamp=1353861722751, value=77188
19216800110720121126004250 column=memory:heapUtil, timestamp=1353861722751, value=47
19216800110720121126004250 column=memory:nonHeapCommitKB, timestamp=1353861722751, value=84096
19216800110720121126004250 column=memory:nonHeapMaxKB, timestamp=1353861722751, value=229376
19216800110720121126004250 column=memory:nonHeapUsedKB, timestamp=1353861722751, value=83955
19216800110720121126004250 column=memory:nonHeapUtil, timestamp=1353861722751, value=99
19216800110720121126004250 column=os:cpuUtil, timestamp=1353861722751, value=0
19216800110720121126004250 column=os:freePhyMemKB, timestamp=1353861722751, value=953164
19216800110720121126004250 column=os:freeSwapKB, timestamp=1353861722751, value=4194303
19216800110720121126004250 column=os:phyMemUtil, timestamp=1353861722751, value=78
19216800110720121126004250 column=os:swapMemUtil, timestamp=1353861722751, value=0
19216800110720121126004250 column=os:totalSwapKB, timestamp=1353861722751, value=4194303
19216800110720121126004250 column=os:virtMemCommitKB, timestamp=1353861722751, value=293684
19216800110720121126004250 column=target:serverIP, timestamp=1353861722751, value=192.168.1.107
19216800110720121126004250 column=target:serverPort, timestamp=1353861722751, value=8686
483 row(s) in 7.7500 seconds