Example usage for java.lang.management MemoryType NON

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In this page you can find the example usage for java.lang.management MemoryType NON_HEAP.

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MemoryType NON_HEAP

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Non-heap memory type.

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From source file:org.apache.hadoop.hbase.io.util.MemorySizeUtil.java

/**
 * @return Pair of global memstore size and memory type(ie. on heap or off heap).
 *//*from  w  w w .j a  v  a 2  s.  c o m*/
public static Pair<Long, MemoryType> getGlobalMemstoreSize(Configuration conf) {
    long offheapMSGlobal = conf.getLong(OFFHEAP_MEMSTORE_SIZE_KEY, 0);// Size in MBs
    if (offheapMSGlobal > 0) {
        // Off heap memstore size has not relevance when MSLAB is turned OFF. We will go with making
        // this entire size split into Chunks and pooling them in MemstoreLABPoool. We dont want to
        // create so many on demand off heap chunks. In fact when this off heap size is configured, we
        // will go with 100% of this size as the pool size
        if (MemStoreLAB.isEnabled(conf)) {
            // We are in offheap Memstore use
            long globalMemStoreLimit = (long) (offheapMSGlobal * 1024 * 1024); // Size in bytes
            return new Pair<Long, MemoryType>(globalMemStoreLimit, MemoryType.NON_HEAP);
        } else {
            // Off heap max memstore size is configured with turning off MSLAB. It makes no sense. Do a
            // warn log and go with on heap memstore percentage. By default it will be 40% of Xmx
            LOG.warn("There is no relevance of configuring '" + OFFHEAP_MEMSTORE_SIZE_KEY + "' when '"
                    + MemStoreLAB.USEMSLAB_KEY + "' is turned off."
                    + " Going with on heap global memstore size ('" + MEMSTORE_SIZE_KEY + "')");
        }
    }
    return new Pair<Long, MemoryType>(getOnheapGlobalMemstoreSize(conf), MemoryType.HEAP);
}

From source file:org.jahia.bin.errors.ErrorFileDumper.java

public static void outputSystemInfo(PrintWriter strOut, boolean systemProperties, boolean environmentVariables,
        boolean jahiaSettings, boolean memory, boolean caches, boolean threads, boolean deadlocks,
        boolean loadAverage) {

    if (systemProperties) {
        // now let's output the system properties.
        strOut.println();/*from  w  ww.  j a  v  a2  s.  c o m*/
        strOut.println("System properties:");
        strOut.println("-------------------");
        Map<Object, Object> orderedProperties = new TreeMap<Object, Object>(System.getProperties());
        Iterator<Map.Entry<Object, Object>> entrySetIter = orderedProperties.entrySet().iterator();
        while (entrySetIter.hasNext()) {
            Map.Entry<Object, Object> curEntry = entrySetIter.next();
            String curPropertyName = (String) curEntry.getKey();
            String curPropertyValue = (String) curEntry.getValue();
            strOut.println("   " + curPropertyName + " : " + curPropertyValue);
        }
    }

    if (environmentVariables) {
        // now let's output the environment variables.
        strOut.println();
        strOut.println("Environment variables:");
        strOut.println("-------------------");
        Map<String, String> orderedProperties = new TreeMap<String, String>(System.getenv());
        Iterator<Map.Entry<String, String>> entrySetIter = orderedProperties.entrySet().iterator();
        while (entrySetIter.hasNext()) {
            Map.Entry<String, String> curEntry = entrySetIter.next();
            String curPropertyName = curEntry.getKey();
            String curPropertyValue = curEntry.getValue();
            strOut.println("   " + curPropertyName + " : " + curPropertyValue);
        }
    }

    if (jahiaSettings) {
        strOut.println();

        if (SettingsBean.getInstance() != null) {
            strOut.append("Server configuration (").append(Jahia.getFullProductVersion()).append(" - ")
                    .append(Jahia.getBuildDate()).append("):");
            strOut.println();
            strOut.println("---------------------");
            SettingsBean settings = SettingsBean.getInstance();
            Map<Object, Object> jahiaOrderedProperties = new TreeMap<Object, Object>(
                    settings.getPropertiesFile());
            Iterator<Map.Entry<Object, Object>> jahiaEntrySetIter = jahiaOrderedProperties.entrySet()
                    .iterator();
            while (jahiaEntrySetIter.hasNext()) {
                Map.Entry<Object, Object> curEntry = jahiaEntrySetIter.next();
                String curPropertyName = (String) curEntry.getKey();
                String curPropertyValue = null;
                if (curEntry.getValue() == null) {
                    curPropertyValue = null;
                } else if (curEntry.getValue() instanceof String) {
                    curPropertyValue = (String) curEntry.getValue();
                } else {
                    curPropertyValue = curEntry.getValue().toString();
                }
                if (curPropertyName.toLowerCase().indexOf("password") == -1
                        && (!"mail_server".equals(curPropertyName)
                                || !StringUtils.contains(curPropertyValue, "&password=")
                                        && !StringUtils.contains(curPropertyValue, "?password="))) {
                    strOut.println("   " + curPropertyName + " = " + curPropertyValue);
                }
            }
        }
    }

    if (memory) {
        MemoryMXBean memoryMXBean = ManagementFactory.getMemoryMXBean();
        MemoryUsage memoryUsage = memoryMXBean.getHeapMemoryUsage();
        printMemoryUsage(MemoryType.HEAP.toString(), memoryUsage, strOut);
        memoryUsage = memoryMXBean.getNonHeapMemoryUsage();
        printMemoryUsage(MemoryType.NON_HEAP.toString(), memoryUsage, strOut);

        strOut.println("--------------");
        strOut.println("Memory pool details");
        strOut.println("--------------");
        List<MemoryPoolMXBean> memoryPoolMXBeans = ManagementFactory.getMemoryPoolMXBeans();
        for (MemoryPoolMXBean bean : memoryPoolMXBeans) {
            printMemoryUsage("Memory Pool \"" + bean.getName() + "\" (" + bean.getType().toString() + ")",
                    bean.getUsage(), strOut);
        }
    }

    if (caches) {
        strOut.println();
        DecimalFormat percentFormat = new DecimalFormat("###.##");
        if (SpringContextSingleton.getInstance().isInitialized()
                && (ServicesRegistry.getInstance().getCacheService() != null)) {
            strOut.println("Cache status:");
            strOut.println("--------------");

            // non Ehcaches
            SortedSet<String> sortedCacheNames = new TreeSet<>(
                    ServicesRegistry.getInstance().getCacheService().getNames());
            for (String sortedCacheName : sortedCacheNames) {
                final Cache<Object, Object> objectCache = ServicesRegistry.getInstance().getCacheService()
                        .getCache(sortedCacheName);
                if (objectCache != null
                        && !(((Cache<?, ?>) objectCache).getCacheImplementation() instanceof EhCacheImpl)) {
                    String efficiencyStr = "0";
                    if (!Double.isNaN(objectCache.getCacheEfficiency())) {
                        efficiencyStr = percentFormat.format(objectCache.getCacheEfficiency());
                    }
                    strOut.println(sortedCacheName + ": size=" + objectCache.size() + ", successful hits="
                            + objectCache.getSuccessHits() + ", total hits=" + objectCache.getTotalHits()
                            + ", efficiency=" + efficiencyStr + "%");
                }
            }
        }

        // Ehcaches
        List<CacheManager> cacheManagers = CacheManager.ALL_CACHE_MANAGERS;
        for (CacheManager ehcacheManager : cacheManagers) {
            String[] ehcacheNames = ehcacheManager.getCacheNames();
            java.util.Arrays.sort(ehcacheNames);
            for (String ehcacheName : ehcacheNames) {
                Ehcache ehcache = ehcacheManager.getEhcache(ehcacheName);
                strOut.append(ehcacheName).append(": ");
                if (ehcache != null) {
                    StatisticsGateway ehcacheStats = ehcache.getStatistics();
                    String efficiencyStr = "0";
                    if (ehcacheStats.cacheHitCount() + ehcacheStats.cacheMissCount() > 0) {
                        efficiencyStr = percentFormat.format(ehcacheStats.cacheHitCount() * 100f
                                / (ehcacheStats.cacheHitCount() + ehcacheStats.cacheMissCount()));
                    }
                    strOut.append("size=" + ehcacheStats.getSize() + ", successful hits="
                            + ehcacheStats.cacheHitCount() + ", total hits="
                            + (ehcacheStats.cacheHitCount() + ehcacheStats.cacheMissCount()) + ", efficiency="
                            + efficiencyStr + "%");
                    strOut.println();
                }
            }
        }
    }

    ThreadMonitor threadMonitor = null;
    if (threads) {
        strOut.println();
        strOut.println("Thread status:");
        strOut.println("--------------");
        threadMonitor = ThreadMonitor.getInstance();
        threadMonitor.generateThreadInfo(strOut);
    }

    if (deadlocks) {
        strOut.println();
        strOut.println("Deadlock status:");
        threadMonitor = threadMonitor != null ? threadMonitor : ThreadMonitor.getInstance();
        ;
        String deadlock = threadMonitor.findDeadlock();
        strOut.println(deadlock != null ? deadlock : "none");
    }

    if (loadAverage) {
        strOut.println();
        strOut.println("Request load average:");
        strOut.println("---------------------");
        RequestLoadAverage info = RequestLoadAverage.getInstance();
        if (info != null) {
            strOut.println("Over one minute=" + info.getOneMinuteLoad() + " Over five minute="
                    + info.getFiveMinuteLoad() + " Over fifteen minute=" + info.getFifteenMinuteLoad());
        } else {
            strOut.println("not available");
        }
        strOut.println();
    }

    strOut.flush();
}

From source file:org.rhq.enterprise.agent.promptcmd.GCPromptCommand.java

private void printGlobalMemoryUsage(PrintWriter out, final MemoryMXBean memoryMxBean) {
    printMemoryUsage(out, "GLOBAL", MemoryType.HEAP, memoryMxBean.getHeapMemoryUsage());
    printMemoryUsage(out, "GLOBAL", MemoryType.NON_HEAP, memoryMxBean.getNonHeapMemoryUsage());
}

Example usage for java.lang.management MemoryType NON_HEAP

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