Package java.lang.management

Examples of java.lang.management.MemoryUsage

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        // Uptime
        long secondsUp = probe.getUptime() / 1000;
        outs.println(String.format("%-17s: %d", "Uptime (seconds)", secondsUp));

        // Memory usage
        MemoryUsage heapUsage = probe.getHeapMemoryUsage();
        double memUsed = (double)heapUsage.getUsed() / (1024 * 1024);
        double memMax = (double)heapUsage.getMax() / (1024 * 1024);
        outs.println(String.format("%-17s: %.2f / %.2f", "Heap Memory (MB)", memUsed, memMax));
    }
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            {
                previousMemoryUsed += entry.getValue().getUsed();
            }
            for (Map.Entry<String, MemoryUsage> entry : gci.getMemoryUsageAfterGc().entrySet())
            {
                MemoryUsage mu = entry.getValue();
                memoryUsed += mu.getUsed();
                memoryMax += mu.getMax();
            }

            String st = String.format("GC for %s: %s ms, %s reclaimed leaving %s used; max is %s",
                                      gc.getName(), gci.getDuration(), previousMemoryUsed - memoryUsed, memoryUsed, memoryMax);
            if (gci.getDuration() > MIN_DURATION)
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    }
   
    private void doMemoryUpdates() {
        MemoryMXBean memoryMXBean =
               ManagementFactory.getMemoryMXBean();
        MemoryUsage memNonHeap =
                memoryMXBean.getNonHeapMemoryUsage();
        MemoryUsage memHeap =
                memoryMXBean.getHeapMemoryUsage();
        metrics.setMetric("memNonHeapUsedM", memNonHeap.getUsed()/M);
        metrics.setMetric("memNonHeapCommittedM", memNonHeap.getCommitted()/M);
        metrics.setMetric("memHeapUsedM", memHeap.getUsed()/M);
        metrics.setMetric("memHeapCommittedM", memHeap.getCommitted()/M);
    }
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        // we have something to tell (and we didn't just fail sending master).
        if ((now - lastMsg) >= msgInterval ||
            (outboundArray.length == 0 && !this.outboundMsgs.isEmpty())) {
          try {
            doMetrics();
            MemoryUsage memory =
              ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
            HServerLoad hsl = new HServerLoad(requestCount.get(),
              (int)(memory.getUsed()/1024/1024),
              (int)(memory.getMax()/1024/1024));
            for (HRegion r: onlineRegions.values()) {
              hsl.addRegionInfo(createRegionLoad(r));
            }
            this.serverInfo.setLoad(hsl);
            this.requestCount.set(0);
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    MapWritable result = null;
    long lastMsg = 0;
    while(!stopRequested.get()) {
      try {
        this.requestCount.set(0);
        MemoryUsage memory =
          ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
        HServerLoad hsl = new HServerLoad(0, (int)memory.getUsed()/1024/1024,
          (int)memory.getMax()/1024/1024);
        this.serverInfo.setLoad(hsl);
        if (LOG.isDebugEnabled())
          LOG.debug("sending initial server load: " + hsl);
        lastMsg = System.currentTimeMillis();
        boolean startCodeOk = false;
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  }

  @PostConstruct
  public void update() {
    MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
    MemoryUsage memory = memoryBean.getHeapMemoryUsage();
    memoryUsage = new DefaultBoundedRangeModel(Long.valueOf(memory.getUsed() / 1024).intValue(),
        0, 0, Long.valueOf(memory.getMax() / 1024).intValue());
    int percentValue = memoryUsage.getValue() / (memoryUsage.getMaximum() * 100);
    if (percentValue <= 80) {
      state = "ok";
    } else if (percentValue > 95) {
      state = "error";
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    return OUTCOME_ADMIN;
  }

  public boolean getUpdateMemory() {
    MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
    MemoryUsage memory = memoryBean.getHeapMemoryUsage();
    memoryUsage = new DefaultBoundedRangeModel(Long.valueOf(memory.getUsed()/1024).intValue(),
        0, 0, Long.valueOf(memory.getMax()/1024).intValue());
    int percentValue = memoryUsage.getValue()/(memoryUsage.getMaximum()*100);
    if (percentValue <= 80) {
      state = "ok";
    } else if (percentValue > 95) {
      state = "error";
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        // Uptime
        long secondsUp = runtimeProxy.getUptime() / 1000;
        outs.println(String.format("%-17s: %d", "Uptime (seconds)", secondsUp));

        // Memory usage
        MemoryUsage heapUsage = memProxy.getHeapMemoryUsage();
        double memUsed = (double)heapUsage.getUsed() / (1024 * 1024);
        double memMax = (double)heapUsage.getMax() / (1024 * 1024);
        outs.println(String.format("%-17s: %.2f / %.2f", "Heap Memory (MB)", memUsed, memMax));
    }
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            // Uptime
            long secondsUp = probe.getUptime() / 1000;
            System.out.printf("%-17s: %d%n", "Uptime (seconds)", secondsUp);

            // Memory usage
            MemoryUsage heapUsage = probe.getHeapMemoryUsage();
            double memUsed = (double) heapUsage.getUsed() / (1024 * 1024);
            double memMax = (double) heapUsage.getMax() / (1024 * 1024);
            System.out.printf("%-17s: %.2f / %.2f%n", "Heap Memory (MB)", memUsed, memMax);

            // Data Center/Rack
            System.out.printf("%-17s: %s%n", "Data Center", probe.getDataCenter());
            System.out.printf("%-17s: %s%n", "Rack", probe.getRack());
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        private void update() {
            long used = 0;
            long max = 0;
//            long cur = 0;
            for (MemoryPoolMXBean pool : pools) {
                MemoryUsage usage = pool.getCollectionUsage();
                if(usage==null) continue;   // not available
                used += usage.getUsed();
                max  += usage.getMax();

//                usage = pool.getUsage();
//                if(usage==null) continue;   // not available
//                cur += usage.getUsed();
            }
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