Examples of MemoryUsage

Examples of flex2.compiler.util.Benchmark.MemoryUsage

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   *
   *
   */
  public static void printMemoryUsage()
  {
      MemoryUsage mem = new flex2.compiler.util.Benchmark().getMemoryUsageInBytes();
      long mbHeapUsed = (mem.heap / 1048576);
    long mbNonHeapUsed = (mem.nonHeap / 1048576);
    System.out.println("Heap: " + mbHeapUsed + " Non-Heap: " + mbNonHeapUsed);
  }
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Examples of java.lang.management.MemoryUsage

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        final Runtime runtime = Runtime.getRuntime();
        return runtime.freeMemory();
    }

    public static long getHeapFreeMemory() {
        MemoryUsage usage = mbean.getHeapMemoryUsage();
        final long max = usage.getMax();
        final long used = usage.getUsed();
        final long free = max - used;
        return free;
    }
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Examples of java.lang.management.MemoryUsage

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        final long free = max - used;
        return free;
    }

    public static long getHeapUsedMemory() {
        MemoryUsage usage = mbean.getHeapMemoryUsage();
        final long used = usage.getUsed();
        return used;
    }
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Examples of java.lang.management.MemoryUsage

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        final long used = usage.getUsed();
        return used;
    }

    public static float getHeapFreeRatio() {
        MemoryUsage usage = mbean.getHeapMemoryUsage();
        final long max = usage.getMax();
        final long used = usage.getUsed();
        final long free = max - used;
        return (float) free / (float) max;
    }
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Examples of java.lang.management.MemoryUsage

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    * You can increase it with 'java -Xmx256M ...'
    * @return bytes
    */
   public static long maxJvmMemory() {
       MemoryMXBean mbean = ManagementFactory.getMemoryMXBean();
       MemoryUsage usage = mbean.getHeapMemoryUsage() ;
       return usage.getMax();
   }
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Examples of java.lang.management.MemoryUsage

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      assertNotNull(heapMemoryUsage);
      assertEquals("object representing the heap memory usage.", heapMemoryUsage.getDescription());
      CompositeValue heapMemoryUsageMV = CompositeValue.class.cast(heapMemoryUsage.getValue());
      assertNotNull(heapMemoryUsageMV);
      getLog().debug("heapMemoryUsageMV; "+heapMemoryUsageMV);
      MemoryUsage heapMemoryUsageMU = ManagementFactoryUtils.unwrapMemoryUsage(heapMemoryUsageMV);
      assertTrue(heapMemoryUsageMU.getInit() >= 0);
      assertTrue(heapMemoryUsageMU.getUsed() >= 1000);
      assertTrue(heapMemoryUsageMU.getMax() >= heapMemoryUsageMU.getCommitted());
      assertTrue(heapMemoryUsageMU.getCommitted() >=  heapMemoryUsageMU.getUsed());

      // nonHeapMemoryUsage
      ManagedProperty nonHeapMemoryUsage = props.get("nonHeapMemoryUsage");
      assertNotNull(nonHeapMemoryUsage);
      assertEquals("object representing the non-heap memory usage.", nonHeapMemoryUsage.getDescription());
      CompositeValue nonHeapMemoryUsageMV = CompositeValue.class.cast(nonHeapMemoryUsage.getValue());
      assertNotNull(nonHeapMemoryUsageMV);
      getLog().debug("nonHeapMemoryUsageMV; "+nonHeapMemoryUsageMV);
      MemoryUsage nonHeapMemoryUsageMU = ManagementFactoryUtils.unwrapMemoryUsage(nonHeapMemoryUsageMV);
      assertTrue(nonHeapMemoryUsageMU.getInit() >= 0);
      assertTrue(nonHeapMemoryUsageMU.getUsed() >= 1000);
      // Ignore undefined nonHeap max memory, seen with IBM JDK 6
      if(nonHeapMemoryUsageMU.getMax() != -1)
        assertTrue(nonHeapMemoryUsageMU.getMax() >= nonHeapMemoryUsageMU.getCommitted());
      assertTrue(nonHeapMemoryUsageMU.getCommitted() >=  nonHeapMemoryUsageMU.getUsed());
      // objectPendingFinalizationCount
      ManagedProperty objectPendingFinalizationCount = props.get("objectPendingFinalizationCount");
      assertNotNull(objectPendingFinalizationCount);
      assertEquals("the approximate number objects for which finalization is pending.", objectPendingFinalizationCount.getDescription());
      MetaValue objectPendingFinalizationCountMV = objectPendingFinalizationCount.getValue();
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Examples of java.lang.management.MemoryUsage

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         MemoryType type = pool.getType();
         sbuf.append("<b>Pool: ").append(name);
         sbuf.append("</b> (").append(type).append(")");

         // PeakUsage/CurrentUsage
         MemoryUsage peakUsage = pool.getPeakUsage();
         MemoryUsage usage = pool.getUsage();
        
         sbuf.append("<blockquote>");
         if (usage != null && peakUsage != null)
         {
            Long init = peakUsage.getInit();
            Long used = peakUsage.getUsed();
            Long committed = peakUsage.getCommitted();
            Long max = peakUsage.getMax();
           
            sbuf.append("Peak Usage    : ");
            sbuf.append("init:").append(init);
            sbuf.append(", used:").append(used);
            sbuf.append(", committed:").append(committed);
            sbuf.append(", max:").append(max);
            sbuf.append("<br/>");

            init = usage.getInit();
            used = usage.getUsed();
            committed = usage.getCommitted();
            max = usage.getMax();

            sbuf.append("Current Usage : ");
            sbuf.append("init:").append(init);
            sbuf.append(", used:").append(used);
            sbuf.append(", committed:").append(committed);
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Examples of java.lang.management.MemoryUsage

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  private static long getMaxMemory()
  {
    try {
      MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
      MemoryUsage heap = memoryBean.getHeapMemoryUsage();

      if (heap.getCommitted() < heap.getMax())
        return heap.getMax();
      else
        return heap.getCommitted();
    } catch (Exception e) {
      e.printStackTrace();
    }

    return Runtime.getRuntime().maxMemory();
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Examples of java.lang.management.MemoryUsage

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    TreeMap<byte [], HServerLoad.RegionLoad> regionLoads =
      new TreeMap<byte [], HServerLoad.RegionLoad>(Bytes.BYTES_COMPARATOR);
    for (HRegion region: regions) {
      regionLoads.put(region.getRegionName(), createRegionLoad(region));
    }
    MemoryUsage memory =
      ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
    return new HServerLoad(requestCount.get(),(int)metrics.getRequests(),
      (int)(memory.getUsed() / 1024 / 1024),
      (int) (memory.getMax() / 1024 / 1024), regionLoads,
      this.hlog.getCoprocessorHost().getCoprocessors());
  }
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Examples of java.lang.management.MemoryUsage

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      Integer.valueOf(this.memstoreSizeMB.get()));
    sb = Strings.appendKeyValue(sb, "compactionQueueSize",
      Integer.valueOf(this.compactionQueueSize.get()));
    // Duplicate from jvmmetrics because metrics are private there so
    // inaccessible.
    MemoryUsage memory =
      ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
    sb = Strings.appendKeyValue(sb, "usedHeap",
      Long.valueOf(memory.getUsed()/MB));
    sb = Strings.appendKeyValue(sb, "maxHeap",
      Long.valueOf(memory.getMax()/MB));
    sb = Strings.appendKeyValue(sb, this.blockCacheSize.getName(),
        Long.valueOf(this.blockCacheSize.get()));
    sb = Strings.appendKeyValue(sb, this.blockCacheFree.getName(),
        Long.valueOf(this.blockCacheFree.get()));
    sb = Strings.appendKeyValue(sb, this.blockCacheCount.getName(),
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