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:com.l2jfree.L2Config.java

/**
 * Returns application lifetime in a short string.
 * /*  w w  w  . ja  va 2s  .c  o  m*/
 * @return time since launch
 */
public static String getShortUptime() {
    final long uptimeInSec = (long) Math.ceil(ManagementFactory.getRuntimeMXBean().getUptime() / 1000.0);

    final long s = uptimeInSec / 1 % 60;
    final long m = uptimeInSec / 60 % 60;
    final long h = uptimeInSec / 3600 % 24;
    final long d = uptimeInSec / 86400;

    final L2TextBuilder tb = new L2TextBuilder();

    if (d > 0)
        tb.append(d + "d");

    if (h > 0 || tb.length() != 0)
        tb.append(h + "h");

    if (m > 0 || tb.length() != 0)
        tb.append(m + "m");

    if (s > 0 || tb.length() != 0)
        tb.append(s + "s");

    return tb.moveToString();
}

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From source file:info.debatty.jinu.CaseResult.java

/**
 * Initialize the case result.//w  ww . j a  v  a 2  s .c o m
 */
public CaseResult() {
    try {
        this.hostname = InetAddress.getLocalHost().getHostName();
    } catch (UnknownHostException ex) {
        this.hostname = "Unknown";
    }

    this.processors = Runtime.getRuntime().availableProcessors();
    this.memory = Runtime.getRuntime().maxMemory();
    this.time = System.currentTimeMillis();
    this.sources = new HashMap<TestInterface, String>();

    String classpath_string = ManagementFactory.getRuntimeMXBean().getSystemProperties().get(CLASSPATH_KEY);
    this.classpath = classpath_string.split(":");
}

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From source file:org.apache.flink.runtime.util.EnvironmentInformation.java

public static String getJvmVersion() {
    try {//from  ww  w .j av a  2  s .  c o  m
        final RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();
        return bean.getVmName() + " - " + bean.getVmVendor() + " - " + bean.getSpecVersion() + '/'
                + bean.getVmVersion();
    } catch (Throwable t) {
        return UNKNOWN;
    }
}

---

From source file:uk.ac.sanger.cgp.wwdocker.beans.WorkerResources.java

private void base_init(OperatingSystemMXBean osmxb) {
    String[] bits = ManagementFactory.getRuntimeMXBean().getName().split("@");
    pid = Long.getLong(bits[0]);//w  w w. j  a v  a 2s.c  om
    totalMemBytes = osmxb.getTotalPhysicalMemorySize();
    availableProcessors = Runtime.getRuntime().availableProcessors();
    hostName = System.getenv("HOSTNAME");
    if (hostName == null) {
        try {
            hostName = InetAddress.getLocalHost().getHostName();
        } catch (UnknownHostException e) {
            throw new RuntimeException("Unable to determine hostname", e);
        }
    }
}

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From source file:gobblin.kafka.writer.KafkaDataWriterIntegrationTest.java

@Test
public void testErrors() throws Exception {
    log.warn("Process id = " + ManagementFactory.getRuntimeMXBean().getName());
    int numRecordsPerExtract = 5;
    int numParallel = 2;
    int errorEvery = 2000;
    int totalRecords = numRecordsPerExtract * numParallel;
    int totalSuccessful = totalRecords / errorEvery + totalRecords % errorEvery;
    {// w w  w. j  ava  2s  . c o m
        Closer closer = Closer.create();

        try {

            kafkaTestHelper.provisionTopic(TOPIC);
            jobProps.setProperty("source.numRecordsPerExtract", "" + numRecordsPerExtract);
            jobProps.setProperty("source.numParallelism", "" + numParallel);
            jobProps.setProperty("writer.kafka.producerConfig.flaky.errorType", "regex");
            // all records from partition 0 will be dropped.
            jobProps.setProperty("writer.kafka.producerConfig.flaky.regexPattern", ":index:0.*");
            jobProps.setProperty("job.commit.policy", "partial");
            jobProps.setProperty("publish.at.job.level", "false");
            totalSuccessful = 5; // number of records in partition 1
            JobLauncher jobLauncher = closer
                    .register(JobLauncherFactory.newJobLauncher(gobblinProps, jobProps));
            jobLauncher.launchJob(null);
        } catch (Exception e) {
        } finally {
            closer.close();
        }
        // test records written

        testRecordsWritten(totalSuccessful, TOPIC);
    }
    boolean trySecond = true;
    if (trySecond) {
        Closer closer = Closer.create();
        try {
            jobProps.setProperty("source.numRecordsPerExtract", "" + numRecordsPerExtract);
            jobProps.setProperty("source.numParallelism", "" + numParallel);
            jobProps.setProperty("writer.kafka.producerConfig.flaky.errorType", "nth");
            jobProps.setProperty("writer.kafka.producerConfig.flaky.errorEvery", "" + errorEvery);
            JobLauncher jobLauncher = closer
                    .register(JobLauncherFactory.newJobLauncher(gobblinProps, jobProps));
            jobLauncher.launchJob(null);
            totalSuccessful = totalRecords / errorEvery + totalRecords % errorEvery;
        } catch (Exception e) {
        } finally {
            closer.close();
        }
    }

    // test records written
    testRecordsWritten(totalSuccessful, TOPIC);

}

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From source file:com.adeptj.runtime.servlet.ToolsServlet.java

/**
 * Renders tools page./*from  ww  w .  j  a v  a  2s.c o m*/
 */
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) {
    Bundle[] bundles = BundleContextHolder.getInstance().getBundleContext().getBundles();
    long startTime = ManagementFactory.getRuntimeMXBean().getStartTime();
    MemoryUsage memoryUsage = ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
    TemplateEngine.getInstance()
            .render(TemplateContext.builder().request(req).response(resp).template(TOOLS_TEMPLATE)
                    .locale(req.getLocale())
                    .templateData(TemplateData.newTemplateData().put("username", req.getRemoteUser())
                            .put("sysProps", System.getProperties().entrySet())
                            .put("totalBundles", bundles.length).put("bundles", bundles)
                            .put("runtime", JAVA_RUNTIME_NAME + "(build " + JAVA_RUNTIME_VERSION + ")")
                            .put("jvm", JAVA_VM_NAME + "(build " + JAVA_VM_VERSION + ", " + JAVA_VM_INFO + ")")
                            .put("startTime", Date.from(Instant.ofEpochMilli(startTime)))
                            .put("upTime", Times.format(startTime))
                            .put("maxMemory", FileUtils.byteCountToDisplaySize(memoryUsage.getMax()))
                            .put("usedMemory", FileUtils.byteCountToDisplaySize(memoryUsage.getUsed()))
                            .put("processors", Runtime.getRuntime().availableProcessors()))
                    .build());
}

---

From source file:io.adeptj.runtime.servlet.ToolsServlet.java

/**
 * Renders tools page./*from w ww . j  a  v a  2  s  .c  o m*/
 */
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) {
    Bundle[] bundles = BundleContextHolder.getInstance().getBundleContext().getBundles();
    long startTime = ManagementFactory.getRuntimeMXBean().getStartTime();
    MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
    TemplateEngines.getDefault().render(TemplateContext.builder().request(req).response(resp)
            .template(TOOLS_TEMPLATE).locale(req.getLocale())
            .contextObject(ContextObject.newContextObject().put("username", req.getRemoteUser())
                    .put("sysProps", System.getProperties().entrySet()).put("totalBundles", bundles.length)
                    .put("bundles", bundles)
                    .put("runtime", JAVA_RUNTIME_NAME + "(build " + JAVA_RUNTIME_VERSION + ")")
                    .put("jvm", JAVA_VM_NAME + "(build " + JAVA_VM_VERSION + ", " + JAVA_VM_INFO + ")")
                    .put("startTime", Date.from(Instant.ofEpochMilli(startTime)))
                    .put("upTime", Times.format(startTime))
                    .put("maxMemory",
                            FileUtils.byteCountToDisplaySize(memoryMXBean.getHeapMemoryUsage().getMax()))
                    .put("usedMemory",
                            FileUtils.byteCountToDisplaySize(memoryMXBean.getHeapMemoryUsage().getUsed()))
                    .put("processors", Runtime.getRuntime().availableProcessors()))
            .build());
}

---

From source file:com.amazonaws.services.simpleworkflow.flow.worker.DecisionTaskPoller.java

public DecisionTaskPoller() {
    identity = ManagementFactory.getRuntimeMXBean().getName();
}

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From source file:org.slc.sli.ingestion.IngestionHealthCheck.java

public String getStartTime() {
    //Start Time//from  w w w .ja v a  2s  . c  om
    RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();
    long startTimeLong = bean.getStartTime();
    return convertEpochTimeToDateTime(startTimeLong);
}

---

From source file:org.pepstock.jem.node.NodeInfoUtility.java

/**
  * Factory creates a NodeInfo copying a set of information from Member
  * object of Hazelcast framework. NodeInfo will use Uuid of Member as the
  * key.//from   w  w w .  ja va 2  s .  co m
  * 
  * @see org.pepstock.jem.node.NodeInfo
  * @param member member object of Hazelcast framework
  * @param info node info to load
  * @throws NodeException if any exception occurs
  */
public static final void loadNodeInfo(Member member, NodeInfo info) throws NodeException {
    String jemVersion = getManifestAttribute(ConfigKeys.JEM_MANIFEST_VERSION);
    // sets the version
    if (jemVersion != null) {
        info.setJemVersion(jemVersion);
    }
    // set uuid of member of hazelcast as key
    info.setKey(member.getUuid());
    // set status starting at the beginning
    info.setStatus(Status.STARTING);
    // sets boolean if has affinity loader

    // for net info of member, loads all info inside of nodeinfo
    // port of RMI will be set later
    InetSocketAddress address = member.getInetSocketAddress();
    info.setPort(address.getPort());
    info.setIpaddress(address.getAddress().getHostAddress());

    // sets label to be displayed by GRS
    info.setLabel(info.getIpaddress() + ":" + info.getPort());

    // sets execution environment
    info.setExecutionEnvironment(Main.EXECUTION_ENVIRONMENT);
    // use JMX to extract current process id
    info.setProcessId(ManagementFactory.getRuntimeMXBean().getName());

    // extracts the name using the MXBean result
    String hostname = StringUtils.substringAfter(info.getProcessId(), "@");
    info.setHostname(hostname);

    // extracts from operating ssytem MXbean all info about the ssytem
    OperatingSystemMXBean bean = ManagementFactory.getOperatingSystemMXBean();
    info.getNodeInfoBean().setSystemArchitecture(bean.getArch());
    info.getNodeInfoBean().setAvailableProcessors(bean.getAvailableProcessors());
    info.getNodeInfoBean().setSystemName(bean.getName());

    // uses SIGAR to get total memory and the user used by JEM to start
    try {
        info.getNodeInfoBean().setTotalMemory(SIGAR.getMem().getTotal());
        ProcCredName cred = SIGAR.getProcCredName(SIGAR.getPid());
        info.setUser(cred.getUser());
    } catch (SigarException e) {
        throw new NodeException(e.getMessage(), e);
    }
    // informs the node itself that it has been loaded
    info.loaded();
}

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