Example usage for java.lang.management MemoryUsage getCommitted

Introduction

In this page you can find the example usage for java.lang.management MemoryUsage getCommitted.

Prototype

public long getCommitted()

Source Link

Document

Returns the amount of memory in bytes that is committed for the Java virtual machine to use.

Usage

From source file:com.eurelis.opencms.admin.systeminformation.CmsMemoryOverviewDialog.java

/**
 * Initializes the infos object.<p>
 *//*from w  ww .  java2 s. c  o  m*/
protected void initInfosObject() {

    com.sun.management.OperatingSystemMXBean sunOsBean = (com.sun.management.OperatingSystemMXBean) ManagementFactory
            .getOperatingSystemMXBean();
    java.lang.management.OperatingSystemMXBean osBean = ManagementFactory.getOperatingSystemMXBean();
    java.lang.management.ThreadMXBean threadBean = ManagementFactory.getThreadMXBean();
    java.lang.management.RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
    java.lang.management.ClassLoadingMXBean classesBean = ManagementFactory.getClassLoadingMXBean();

    for (java.lang.management.MemoryPoolMXBean item : ManagementFactory.getMemoryPoolMXBeans()) {
        java.lang.management.MemoryUsage mu = item.getUsage();
        String name = item.getName();

        if (name.toLowerCase().contains("perm")) {
            setMemPermMax("" + mu.getMax());
            setMemPermTotal("" + mu.getCommitted());
            setMemPermUsed("" + mu.getUsed());
        } else if (name.toLowerCase().contains("old")) {
            setMemOldMax("" + mu.getMax());
            setMemOldTotal("" + mu.getCommitted());
            setMemOldUsed("" + mu.getUsed());
        } else if (name.toLowerCase().contains("eden")) {
            setMemEdenMax("" + mu.getMax());
            setMemEdenTotal("" + mu.getCommitted());
            setMemEdenUsed("" + mu.getUsed());
        } else if (name.toLowerCase().contains("survivor")) {
            setMemSurvivorMax("" + mu.getMax());
            setMemSurvivorTotal("" + mu.getCommitted());
            setMemSurvivorUsed("" + mu.getUsed());
        } else {
            //LOG.debug("MemoryPoolMXBean name = " + name.toLowerCase());
        }
    }

    Object o;
    if (CmsStringUtil.isEmpty(getParamAction())) {
        o = new CmsAdminSettings(getSession());
    } else {
        // this is not the initial call, get the job object from session
        o = getDialogObject();
    }
    if (!(o instanceof CmsAdminSettings)) {
        // create a new history settings handler object
        m_adminSettings = new CmsAdminSettings(getSession());
    } else {
        // reuse html import handler object stored in session
        m_adminSettings = (CmsAdminSettings) o;
    }

    setParamCloseLink(getJsp()
            .link("/system/workplace/views/admin/admin-main.jsp?path=/eurelis_system_information/memory.jsp"));
}

From source file:com.chinamobile.bcbsp.comm.MessageQueuesForDisk.java

/** Show the information of Memory. */
public void showMemoryInfo() {
    LOG.info("---------------- Memory Info for Messages ------------------");
    MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
    MemoryUsage memoryUsage = memoryMXBean.getHeapMemoryUsage();
    long used = memoryUsage.getUsed();
    long committed = memoryUsage.getCommitted();
    LOG.info("<Real> [Memory used] = " + used / MB_SIZE + "MB");
    LOG.info("<Real> [Memory committed] = " + committed / MB_SIZE + "MB");
    LOG.info("<Evaluate> [size of Message] = " + this.sizeOfMessage + "B");
    LOG.info("<Evaluate> [size of Messages Data In Memory] = " + this.sizeOfMessagesDataInMem / MB_SIZE + "MB");
    LOG.info("<Evaluate> [size of HashMaps In Memory] = " + this.sizeOfHashMapsInMem / MB_SIZE + "MB");
    LOG.info("<Evaluate> [size of Messages Data Threshold] = " + this.sizeThreshold / MB_SIZE + "MB");
    LOG.info(//from  ww w  . j a  v  a 2 s  .  co m
            "<Evaluate> [count of Messages Data In Memory] = " + this.countOfMessagesDataInMem / KB_SIZE + "K");
    LOG.info("<Evaluate> [count of Messages Data Threshold] = " + this.countThreshold / KB_SIZE + "K");
    LOG.info("----------------- ------------------------ -----------------");
    // showHashBucketsInfo();
}

From source file:org.apache.flink.runtime.taskmanager.TaskManager.java

private String getMemoryUsageStatsAsString(MemoryMXBean memoryMXBean) {
    MemoryUsage heap = memoryMXBean.getHeapMemoryUsage();
    MemoryUsage nonHeap = memoryMXBean.getNonHeapMemoryUsage();

    int mb = 20;//from w ww  .j  a  v a2  s  .  c o m

    long heapUsed = heap.getUsed() >> mb;
    long heapCommitted = heap.getCommitted() >> mb;
    long heapMax = heap.getMax() >> mb;

    long nonHeapUsed = nonHeap.getUsed() >> mb;
    long nonHeapCommitted = nonHeap.getCommitted() >> mb;
    long nonHeapMax = nonHeap.getMax() >> mb;

    String msg = String.format(
            "Memory usage stats: [HEAP: %d/%d/%d MB, NON HEAP: %d/%d/%d MB (used/comitted/max)]", heapUsed,
            heapCommitted, heapMax, nonHeapUsed, nonHeapCommitted, nonHeapMax);

    return msg;
}

From source file:net.centro.rtb.monitoringcenter.metrics.system.jvm.JvmMemoryUsageMetricSet.java

JvmMemoryUsageMetricSet(final MemoryUsageProvider memoryUsageProvider) {
    Preconditions.checkNotNull(memoryUsageProvider);

    final MemoryUsage memoryUsage = memoryUsageProvider.get();
    Preconditions.checkNotNull(memoryUsage);

    Map<String, Metric> metricsByNames = new HashMap<>();

    if (memoryUsage.getInit() >= 0) {
        this.initialSizeInBytesGauge = new Gauge<Long>() {
            @Override//w w w .j a  v a2  s  .  c o m
            public Long getValue() {
                return memoryUsageProvider.get().getInit();
            }
        };
        metricsByNames.put("initialInBytes", initialSizeInBytesGauge);
    }

    this.usedMemoryInBytesGauge = new Gauge<Long>() {
        @Override
        public Long getValue() {
            return memoryUsageProvider.get().getUsed();
        }
    };
    metricsByNames.put("usedInBytes", usedMemoryInBytesGauge);

    if (memoryUsage.getMax() >= 0) {
        this.maxAvailableMemoryInBytesGauge = new Gauge<Long>() {
            @Override
            public Long getValue() {
                return memoryUsageProvider.get().getMax();
            }
        };
        metricsByNames.put("maxAvailableInBytes", maxAvailableMemoryInBytesGauge);
    }

    this.committedMemoryInBytesGauge = new Gauge<Long>() {
        @Override
        public Long getValue() {
            return memoryUsageProvider.get().getCommitted();
        }
    };
    metricsByNames.put("committedInBytes", committedMemoryInBytesGauge);

    this.usedMemoryPercentageGauge = new Gauge<Double>() {
        @Override
        public Double getValue() {
            MemoryUsage memoryUsage = memoryUsageProvider.get();
            long max = memoryUsage.getMax() > 0 ? memoryUsage.getMax() : memoryUsage.getCommitted();
            return Double.valueOf(memoryUsage.getUsed()) / max * 100;
        }
    };
    metricsByNames.put("usedPercentage", usedMemoryPercentageGauge);

    this.metricsByNames = metricsByNames;
}