Example usage for java.lang.management ManagementFactory getOperatingSystemMXBean

Introduction

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

Prototype

public static OperatingSystemMXBean getOperatingSystemMXBean()

Source Link

Document

Returns the managed bean for the operating system on which the Java virtual machine is running.

Usage

From source file:com.ah.be.common.NmsUtil.java

public static long getSysTotalMemory() {
    OperatingSystemMXBean osmb = (OperatingSystemMXBean) ManagementFactory.getOperatingSystemMXBean();
    return osmb.getTotalPhysicalMemorySize() / 1024 / 1024;
}

From source file:org.apache.accumulo.tserver.TabletServer.java

public TabletServerStatus getStats(Map<String, MapCounter<ScanRunState>> scanCounts) {
    TabletServerStatus result = new TabletServerStatus();

    Map<KeyExtent, Tablet> onlineTabletsCopy;
    synchronized (this.onlineTablets) {
        onlineTabletsCopy = new HashMap<KeyExtent, Tablet>(this.onlineTablets);
    }/*w  w  w .  ja v  a  2  s. c  om*/
    Map<String, TableInfo> tables = new HashMap<String, TableInfo>();

    for (Entry<KeyExtent, Tablet> entry : onlineTabletsCopy.entrySet()) {
        String tableId = entry.getKey().getTableId();
        TableInfo table = tables.get(tableId);
        if (table == null) {
            table = new TableInfo();
            table.minors = new Compacting();
            table.majors = new Compacting();
            tables.put(tableId, table);
        }
        Tablet tablet = entry.getValue();
        long recs = tablet.getNumEntries();
        table.tablets++;
        table.onlineTablets++;
        table.recs += recs;
        table.queryRate += tablet.queryRate();
        table.queryByteRate += tablet.queryByteRate();
        table.ingestRate += tablet.ingestRate();
        table.ingestByteRate += tablet.ingestByteRate();
        table.scanRate += tablet.scanRate();
        long recsInMemory = tablet.getNumEntriesInMemory();
        table.recsInMemory += recsInMemory;
        if (tablet.isMinorCompactionRunning())
            table.minors.running++;
        if (tablet.isMinorCompactionQueued())
            table.minors.queued++;
        if (tablet.isMajorCompactionRunning())
            table.majors.running++;
        if (tablet.isMajorCompactionQueued())
            table.majors.queued++;
    }

    for (Entry<String, MapCounter<ScanRunState>> entry : scanCounts.entrySet()) {
        TableInfo table = tables.get(entry.getKey());
        if (table == null) {
            table = new TableInfo();
            tables.put(entry.getKey(), table);
        }

        if (table.scans == null)
            table.scans = new Compacting();

        table.scans.queued += entry.getValue().get(ScanRunState.QUEUED);
        table.scans.running += entry.getValue().get(ScanRunState.RUNNING);
    }

    ArrayList<KeyExtent> offlineTabletsCopy = new ArrayList<KeyExtent>();
    synchronized (this.unopenedTablets) {
        synchronized (this.openingTablets) {
            offlineTabletsCopy.addAll(this.unopenedTablets);
            offlineTabletsCopy.addAll(this.openingTablets);
        }
    }

    for (KeyExtent extent : offlineTabletsCopy) {
        String tableId = extent.getTableId();
        TableInfo table = tables.get(tableId);
        if (table == null) {
            table = new TableInfo();
            tables.put(tableId, table);
        }
        table.tablets++;
    }

    result.lastContact = RelativeTime.currentTimeMillis();
    result.tableMap = tables;
    result.osLoad = ManagementFactory.getOperatingSystemMXBean().getSystemLoadAverage();
    result.name = getClientAddressString();
    result.holdTime = resourceManager.holdTime();
    result.lookups = seekCount.get();
    result.indexCacheHits = resourceManager.getIndexCache().getStats().getHitCount();
    result.indexCacheRequest = resourceManager.getIndexCache().getStats().getRequestCount();
    result.dataCacheHits = resourceManager.getDataCache().getStats().getHitCount();
    result.dataCacheRequest = resourceManager.getDataCache().getStats().getRequestCount();
    result.logSorts = logSorter.getLogSorts();
    result.flushs = flushCounter.get();
    result.syncs = syncCounter.get();
    result.bulkImports = new ArrayList<>();
    result.bulkImports.addAll(clientHandler.getBulkLoadStatus());
    result.bulkImports.addAll(bulkImportStatus.getBulkLoadStatus());
    return result;
}

From source file:org.apache.accumulo.server.tabletserver.ScanRunState.java

public TabletServerStatus getStats(Map<String, MapCounter<ScanRunState>> scanCounts) {
    TabletServerStatus result = new TabletServerStatus();

    Map<KeyExtent, Tablet> onlineTabletsCopy;
    synchronized (this.onlineTablets) {
        onlineTabletsCopy = new HashMap<KeyExtent, Tablet>(this.onlineTablets);
    }/* w ww .  jav  a2  s. c o  m*/
    Map<String, TableInfo> tables = new HashMap<String, TableInfo>();

    for (Entry<KeyExtent, Tablet> entry : onlineTabletsCopy.entrySet()) {
        String tableId = entry.getKey().getTableId().toString();
        TableInfo table = tables.get(tableId);
        if (table == null) {
            table = new TableInfo();
            table.minors = new Compacting();
            table.majors = new Compacting();
            tables.put(tableId, table);
        }
        Tablet tablet = entry.getValue();
        long recs = tablet.getNumEntries();
        table.tablets++;
        table.onlineTablets++;
        table.recs += recs;
        table.queryRate += tablet.queryRate();
        table.queryByteRate += tablet.queryByteRate();
        table.ingestRate += tablet.ingestRate();
        table.ingestByteRate += tablet.ingestByteRate();
        table.scanRate += tablet.scanRate();
        long recsInMemory = tablet.getNumEntriesInMemory();
        table.recsInMemory += recsInMemory;
        if (tablet.minorCompactionRunning())
            table.minors.running++;
        if (tablet.minorCompactionQueued())
            table.minors.queued++;
        if (tablet.majorCompactionRunning())
            table.majors.running++;
        if (tablet.majorCompactionQueued())
            table.majors.queued++;
    }

    for (Entry<String, MapCounter<ScanRunState>> entry : scanCounts.entrySet()) {
        TableInfo table = tables.get(entry.getKey());
        if (table == null) {
            table = new TableInfo();
            tables.put(entry.getKey(), table);
        }

        if (table.scans == null)
            table.scans = new Compacting();

        table.scans.queued += entry.getValue().get(ScanRunState.QUEUED);
        table.scans.running += entry.getValue().get(ScanRunState.RUNNING);
    }

    ArrayList<KeyExtent> offlineTabletsCopy = new ArrayList<KeyExtent>();
    synchronized (this.unopenedTablets) {
        synchronized (this.openingTablets) {
            offlineTabletsCopy.addAll(this.unopenedTablets);
            offlineTabletsCopy.addAll(this.openingTablets);
        }
    }

    for (KeyExtent extent : offlineTabletsCopy) {
        String tableId = extent.getTableId().toString();
        TableInfo table = tables.get(tableId);
        if (table == null) {
            table = new TableInfo();
            tables.put(tableId, table);
        }
        table.tablets++;
    }

    result.lastContact = RelativeTime.currentTimeMillis();
    result.tableMap = tables;
    result.osLoad = ManagementFactory.getOperatingSystemMXBean().getSystemLoadAverage();
    result.name = getClientAddressString();
    result.holdTime = resourceManager.holdTime();
    result.lookups = seekCount.get();
    result.indexCacheHits = resourceManager.getIndexCache().getStats().getHitCount();
    result.indexCacheRequest = resourceManager.getIndexCache().getStats().getRequestCount();
    result.dataCacheHits = resourceManager.getDataCache().getStats().getHitCount();
    result.dataCacheRequest = resourceManager.getDataCache().getStats().getRequestCount();
    result.logSorts = logSorter.getLogSorts();
    return result;
}