Example usage for java.lang.management ManagementFactory getRuntimeMXBean

Introduction

In this page you can find the example usage for java.lang.management ManagementFactory getRuntimeMXBean.

Prototype

public static RuntimeMXBean getRuntimeMXBean() 

Source Link

Document

Returns the managed bean for the runtime system of the Java virtual machine.

Usage

From source file:org.slc.sli.ingestion.processors.JobReportingProcessor.java

private void writeSecurityLog(NewBatchJob job, LogLevelType messageType, String message) {
    byte[] ipAddr = null;
    try {//from w ww.j av a  2  s  . c om
        InetAddress addr = InetAddress.getLocalHost();

        // Get IP Address
        ipAddr = addr.getAddress();

    } catch (UnknownHostException e) {
        LOG.error("Error getting local host", e);
    }

    String edOrg = tenantDA.getTenantEdOrg(job.getTopLevelSourceId());
    if (edOrg == null) {
        edOrg = "";
    }

    List<String> userRoles = Collections.emptyList();
    SecurityEvent event = new SecurityEvent();
    event.setTenantId(""); // Alpha MH (tenantId - written in 'message')
    event.setUser("");
    event.setUserEdOrg(edOrg);
    event.setTargetEdOrgList(edOrg); //@TA10431 - change targetEdOrg from scalar to list
    event.setActionUri("writeLine");
    event.setAppId("Ingestion");
    event.setOrigin("");
    if (ipAddr != null) {
        event.setExecutedOn(ipAddr[0] + "." + ipAddr[1] + "." + ipAddr[2] + "." + ipAddr[3]);
    }
    event.setCredential("");
    event.setUserOrigin("");
    event.setTimeStamp(new Date());
    event.setProcessNameOrId(ManagementFactory.getRuntimeMXBean().getName());
    event.setClassName(this.getClass().getName());
    event.setLogLevel(messageType);
    event.setRoles(userRoles);
    event.setLogMessage(message);
    audit(event);
}

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From source file:com.sos.VirtualFileSystem.DataElements.SOSFileListEntry.java

public String toCsv() {

    addCSv(guid, objOptions.mandator.Value(), SOSOptionTime.getCurrentTimeAsString());

    /**/*from   w ww .  j  a va2s. com*/
     * this hack is tested for SUN-JVM only. No guarantee is made for other JVMs
     */
    String pid = ManagementFactory.getRuntimeMXBean().getName();
    String strA[] = pid.split("@");
    pid = strA[0];
    String ppid = System.getProperty("ppid", "0");

    addCSv(pid, ppid, objOptions.operation.Value());

    SOSConnection2OptionsAlternate objS = objOptions.getConnectionOptions().Source();

    addCSv(objS.host.Value(), objS.host.getHostAdress(), System.getProperty("user.name"));
    SOSConnection2OptionsAlternate objT = objOptions.getConnectionOptions().Target();

    addCSv(objT.host.Value(), objT.host.getHostAdress());

    String remote_user = "";
    if (objT.AlternateOptionsUsed.value() == true) {
        remote_user = "(alternative) " + objT.Alternatives().user.Value();
    } else {
        remote_user = objT.user.Value();
    }

    addCSv(remote_user, objT.protocol.Value(), objT.port.Value(), objOptions.local_dir.Value(),
            objOptions.TargetDir.Value(), strSourceFileName);
    String remote_filename = strTargetFileName;
    if (isEmpty(remote_filename)) {
        remote_filename = "n.a.";
    }

    addCSv(remote_filename, String.valueOf(lngFileSize), strMD5Hash, eTransferStatus.name());
    String last_error_message = "";
    // last_error_message = clearCRLF(((getLogger().getError() != null && getLogger().getError().length() > 0) ? getLogger().getError()
    // : getLogger().getWarning())); // 15- last_error=|warn message
    // last_error_message = normalizedPassword(sosString.parseToString(last_error_message));
    addCSv(last_error_message, objOptions.log_filename.Value(), objOptions.jump_host.Value(),
            objOptions.jump_host.getHostAdress(), objOptions.jump_port.Value(),
            objOptions.jump_protocol.Value(), objOptions.jump_user.Value());

    SOSOptionTime objModTime = new SOSOptionTime(null, null, null, "", "", false);
    objModTime.value(lngFileModDate);
    addCSv(objModTime.getTimeAsString(lngFileModDate));
    return strCSVRec;
}

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From source file:com.evolveum.midpoint.web.util.WebMiscUtil.java

public static double getSystemLoad() {
    com.sun.management.OperatingSystemMXBean operatingSystemMXBean = (com.sun.management.OperatingSystemMXBean) ManagementFactory
            .getOperatingSystemMXBean();
    RuntimeMXBean runtimeMXBean = ManagementFactory.getRuntimeMXBean();
    int availableProcessors = operatingSystemMXBean.getAvailableProcessors();
    long prevUpTime = runtimeMXBean.getUptime();
    long prevProcessCpuTime = operatingSystemMXBean.getProcessCpuTime();

    try {/* www  .  j  a va  2 s. c o m*/
        Thread.sleep(150);
    } catch (Exception ignored) {
        //ignored
    }

    operatingSystemMXBean = (com.sun.management.OperatingSystemMXBean) ManagementFactory
            .getOperatingSystemMXBean();
    long upTime = runtimeMXBean.getUptime();
    long processCpuTime = operatingSystemMXBean.getProcessCpuTime();
    long elapsedCpu = processCpuTime - prevProcessCpuTime;
    long elapsedTime = upTime - prevUpTime;

    double cpuUsage = Math.min(99F, elapsedCpu / (elapsedTime * 10000F * availableProcessors));

    return cpuUsage;
}

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From source file:edu.wustl.lookingglass.community.CommunityRepository.java

private void lockRepo() throws IOException {
    this.syncLockChannel = FileChannel.open(Paths.get(syncLockPath), StandardOpenOption.WRITE,
            StandardOpenOption.CREATE);
    FileLock lock = this.syncLockChannel.lock(); // gets an exclusive lock
    assert lock.isValid();
    this.syncLockChannel.write(ByteBuffer.wrap(ManagementFactory.getRuntimeMXBean().getName().getBytes()));
}

---

From source file:org.apache.hadoop.hbase.regionserver.MemStore.java

/**
 * Code to help figure if our approximation of object heap sizes is close
 * enough.  See hbase-900.  Fills memstores then waits so user can heap
 * dump and bring up resultant hprof in something like jprofiler which
 * allows you get 'deep size' on objects.
 * @param args main args/*from w ww  .  j  av a 2  s. c o  m*/
 */
public static void main(String[] args) {
    RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
    LOG.info("vmName=" + runtime.getVmName() + ", vmVendor=" + runtime.getVmVendor() + ", vmVersion="
            + runtime.getVmVersion());
    LOG.info("vmInputArguments=" + runtime.getInputArguments());
    MemStore memstore1 = new MemStore();
    // TODO: x32 vs x64
    long size = 0;
    final int count = 10000;
    byte[] fam = Bytes.toBytes("col");
    byte[] qf = Bytes.toBytes("umn");
    byte[] empty = new byte[0];
    for (int i = 0; i < count; i++) {
        // Give each its own ts
        size += memstore1.add(new KeyValue(Bytes.toBytes(i), fam, qf, i, empty));
    }
    LOG.info("memstore1 estimated size=" + size);
    for (int i = 0; i < count; i++) {
        size += memstore1.add(new KeyValue(Bytes.toBytes(i), fam, qf, i, empty));
    }
    LOG.info("memstore1 estimated size (2nd loading of same data)=" + size);
    // Make a variably sized memstore.
    MemStore memstore2 = new MemStore();
    for (int i = 0; i < count; i++) {
        size += memstore2.add(new KeyValue(Bytes.toBytes(i), fam, qf, i, new byte[i]));
    }
    LOG.info("memstore2 estimated size=" + size);
    final int seconds = 30;
    LOG.info("Waiting " + seconds + " seconds while heap dump is taken");
    for (int i = 0; i < seconds; i++) {
        // Thread.sleep(1000);
    }
    LOG.info("Exiting.");
}

---

From source file:io.pcp.parfait.dxm.PcpMmvWriter.java

/**
 * @return the PID of the current running Java Process, or a proxied PID if requested.
 *///from w  w  w .  j a va 2s.  com
private int getProcessIdentifier() {
    if (processIdentifier == 0) {
        String processName = ManagementFactory.getRuntimeMXBean().getName();
        processIdentifier = Integer.valueOf(processName.split("@")[0]);
    }
    return processIdentifier;
}

---

From source file:net.greghaines.jesque.worker.WorkerImpl.java

/**
 * Creates a unique name, suitable for use with Resque.
 * /* w  w w.  j  a va  2  s .  com*/
 * @return a unique name for this worker
 */
protected String createName() {
    final StringBuilder buf = new StringBuilder(128);
    try {
        buf.append(InetAddress.getLocalHost().getHostName()).append(COLON)
                .append(ManagementFactory.getRuntimeMXBean().getName().split("@")[0]) // PID
                .append('-').append(this.workerId).append(COLON).append(JAVA_DYNAMIC_QUEUES);
        for (final String queueName : this.queueNames) {
            buf.append(',').append(queueName);
        }
    } catch (UnknownHostException uhe) {
        throw new RuntimeException(uhe);
    }
    return buf.toString();
}

---

From source file:org.apache.hadoop.hive.ql.session.SessionState.java

/**
 * Create dirs & session paths for this session:
 * 1. HDFS scratch dir//  w  w  w .  ja  v  a 2s .co m
 * 2. Local scratch dir
 * 3. Local downloaded resource dir
 * 4. HDFS session path
 * 5. hold a lock file in HDFS session dir to indicate the it is in use
 * 6. Local session path
 * 7. HDFS temp table space
 * @param userName
 * @throws IOException
 */
private void createSessionDirs(String userName) throws IOException {
    HiveConf conf = getConf();
    Path rootHDFSDirPath = createRootHDFSDir(conf);
    // Now create session specific dirs
    String scratchDirPermission = HiveConf.getVar(conf, HiveConf.ConfVars.SCRATCHDIRPERMISSION);
    Path path;
    // 1. HDFS scratch dir
    path = new Path(rootHDFSDirPath, userName);
    hdfsScratchDirURIString = path.toUri().toString();
    createPath(conf, path, scratchDirPermission, false, false);
    // 2. Local scratch dir
    path = new Path(HiveConf.getVar(conf, HiveConf.ConfVars.LOCALSCRATCHDIR));
    createPath(conf, path, scratchDirPermission, true, false);
    // 3. Download resources dir
    path = new Path(HiveConf.getVar(conf, HiveConf.ConfVars.DOWNLOADED_RESOURCES_DIR));
    createPath(conf, path, scratchDirPermission, true, false);
    // Finally, create session paths for this session
    // Local & non-local tmp location is configurable. however it is the same across
    // all external file systems
    String sessionId = getSessionId();
    // 4. HDFS session path
    hdfsSessionPath = new Path(hdfsScratchDirURIString, sessionId);
    createPath(conf, hdfsSessionPath, scratchDirPermission, false, true);
    conf.set(HDFS_SESSION_PATH_KEY, hdfsSessionPath.toUri().toString());
    // 5. hold a lock file in HDFS session dir to indicate the it is in use
    if (conf.getBoolVar(HiveConf.ConfVars.HIVE_SCRATCH_DIR_LOCK)) {
        FileSystem fs = hdfsSessionPath.getFileSystem(conf);
        FSDataOutputStream hdfsSessionPathInfoFile = fs.create(new Path(hdfsSessionPath, INFO_FILE_NAME), true);
        hdfsSessionPathInfoFile.writeUTF("process: " + ManagementFactory.getRuntimeMXBean().getName() + "\n");
        hdfsSessionPathInfoFile.close();
        hdfsSessionPathLockFile = fs.create(new Path(hdfsSessionPath, LOCK_FILE_NAME), true);
    }
    // 6. Local session path
    localSessionPath = new Path(HiveConf.getVar(conf, HiveConf.ConfVars.LOCALSCRATCHDIR), sessionId);
    createPath(conf, localSessionPath, scratchDirPermission, true, true);
    conf.set(LOCAL_SESSION_PATH_KEY, localSessionPath.toUri().toString());
    // 7. HDFS temp table space
    hdfsTmpTableSpace = new Path(hdfsSessionPath, TMP_PREFIX);
    // This is a sub-dir under the hdfsSessionPath. Will be removed along with that dir.
    // Don't register with deleteOnExit
    createPath(conf, hdfsTmpTableSpace, scratchDirPermission, false, false);
    conf.set(TMP_TABLE_SPACE_KEY, hdfsTmpTableSpace.toUri().toString());
}

---

From source file:org.apache.hadoop.hbase.regionserver.DefaultMemStore.java

/**
 * Code to help figure if our approximation of object heap sizes is close
 * enough.  See hbase-900.  Fills memstores then waits so user can heap
 * dump and bring up resultant hprof in something like jprofiler which
 * allows you get 'deep size' on objects.
 * @param args main args/*from w  w  w  .j  a v  a  2 s .c om*/
 */
public static void main(String[] args) {
    RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();
    LOG.info("vmName=" + runtime.getVmName() + ", vmVendor=" + runtime.getVmVendor() + ", vmVersion="
            + runtime.getVmVersion());
    LOG.info("vmInputArguments=" + runtime.getInputArguments());
    DefaultMemStore memstore1 = new DefaultMemStore();
    // TODO: x32 vs x64
    long size = 0;
    final int count = 10000;
    byte[] fam = Bytes.toBytes("col");
    byte[] qf = Bytes.toBytes("umn");
    byte[] empty = new byte[0];
    for (int i = 0; i < count; i++) {
        // Give each its own ts
        size += memstore1.add(new KeyValue(Bytes.toBytes(i), fam, qf, i, empty));
    }
    LOG.info("memstore1 estimated size=" + size);
    for (int i = 0; i < count; i++) {
        size += memstore1.add(new KeyValue(Bytes.toBytes(i), fam, qf, i, empty));
    }
    LOG.info("memstore1 estimated size (2nd loading of same data)=" + size);
    // Make a variably sized memstore.
    DefaultMemStore memstore2 = new DefaultMemStore();
    for (int i = 0; i < count; i++) {
        size += memstore2.add(new KeyValue(Bytes.toBytes(i), fam, qf, i, new byte[i]));
    }
    LOG.info("memstore2 estimated size=" + size);
    final int seconds = 30;
    LOG.info("Waiting " + seconds + " seconds while heap dump is taken");
    for (int i = 0; i < seconds; i++) {
        // Thread.sleep(1000);
    }
    LOG.info("Exiting.");
}

---

From source file:org.apache.storm.utils.Utils.java

/**
 * @return the pid of this JVM, because Java doesn't provide a real way to do this.
 *///  w  w  w .j a  v a 2 s  .com
public static String processPid() {
    String name = ManagementFactory.getRuntimeMXBean().getName();
    String[] split = name.split("@");
    if (split.length != 2) {
        throw new RuntimeException("Got unexpected process name: " + name);
    }
    return split[0];
}

---

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