Examples with RuntimeMXBean java.lang.management.RuntimeMXBean used on opensource projects

Example 96 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project apm-agent-java by elastic.

the class VerifyNoneBootstrapCheckTest method testNoverify.

@Test
void testNoverify() {
    RuntimeMXBean bean = mock(RuntimeMXBean.class);
    when(bean.getInputArguments()).thenReturn(Collections.singletonList("-noverify"));
    VerifyNoneBootstrapCheck check = new VerifyNoneBootstrapCheck(bean);
    check.doBootstrapCheck(result);
    assertThat(result.hasWarnings()).isTrue();
    assertThat(result.hasErrors()).isFalse();
}

Example 97 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project traccar by traccar.

the class Main method logSystemInfo.

public static void logSystemInfo() {
    try {
        OperatingSystemMXBean operatingSystemBean = ManagementFactory.getOperatingSystemMXBean();
        LOGGER.info("Operating system" + " name: " + operatingSystemBean.getName() + " version: " + operatingSystemBean.getVersion() + " architecture: " + operatingSystemBean.getArch());
        RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
        LOGGER.info("Java runtime" + " name: " + runtimeBean.getVmName() + " vendor: " + runtimeBean.getVmVendor() + " version: " + runtimeBean.getVmVersion());
        MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
        LOGGER.info("Memory limit" + " heap: " + memoryBean.getHeapMemoryUsage().getMax() / (1024 * 1024) + "mb" + " non-heap: " + memoryBean.getNonHeapMemoryUsage().getMax() / (1024 * 1024) + "mb");
        LOGGER.info("Character encoding: " + System.getProperty("file.encoding") + " charset: " + Charset.defaultCharset());
    } catch (Exception error) {
        LOGGER.warn("Failed to get system info");
    }
}

Example 98 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project tomee by apache.

the class ThreadStackRule method apply.

@Override
public Statement apply(final Statement base, final Description description) {
    if (System.getProperty("os.name", "unknown").toLowerCase().startsWith("windows")) {
        return base;
    }
    return new Statement() {

        @Override
        public void evaluate() throws Throwable {
            final ScheduledExecutorService ses = Executors.newScheduledThreadPool(1, new DaemonThreadFactory(ThreadStackRule.class.getSimpleName() + "-"));
            final ScheduledFuture<?> task = ses.scheduleAtFixedRate(new Runnable() {

                @Override
                public void run() {
                    final RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();
                    String pid = bean.getName();
                    if (pid.contains("@")) {
                        pid = pid.substring(0, pid.indexOf("@"));
                    }
                    try {
                        Pipe.pipe(Runtime.getRuntime().exec("kill -3 " + pid));
                    } catch (final Exception exception) {
                        exception.printStackTrace();
                    }
                }
            }, 2, 2, TimeUnit.MINUTES);
            try {
                base.evaluate();
            } finally {
                task.cancel(true);
                ses.shutdownNow();
            }
        }
    };
}

Example 99 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project ignite by apache.

the class IgniteKernal method start.

/**
 * @param cfg Ignite configuration to use.
 * @param errHnd Error handler to use for notification about startup problems.
 * @param workerRegistry Worker registry.
 * @param hnd Default uncaught exception handler used by thread pools.
 * @throws IgniteCheckedException Thrown in case of any errors.
 */
public void start(final IgniteConfiguration cfg, GridAbsClosure errHnd, WorkersRegistry workerRegistry, Thread.UncaughtExceptionHandler hnd, TimeBag startTimer) throws IgniteCheckedException {
    gw.compareAndSet(null, new GridKernalGatewayImpl(cfg.getIgniteInstanceName()));
    GridKernalGateway gw = this.gw.get();
    gw.writeLock();
    try {
        switch(gw.getState()) {
            case STARTED:
                {
                    U.warn(log, "Grid has already been started (ignored).");
                    return;
                }
            case STARTING:
                {
                    U.warn(log, "Grid is already in process of being started (ignored).");
                    return;
                }
            case STOPPING:
                {
                    throw new IgniteCheckedException("Grid is in process of being stopped");
                }
            case STOPPED:
                {
                    break;
                }
        }
        gw.setState(STARTING);
    } finally {
        gw.writeUnlock();
    }
    assert cfg != null;
    // Make sure we got proper configuration.
    validateCommon(cfg);
    igniteInstanceName = cfg.getIgniteInstanceName();
    this.cfg = cfg;
    log = (GridLoggerProxy) cfg.getGridLogger().getLogger(getClass().getName() + (igniteInstanceName != null ? '%' + igniteInstanceName : ""));
    longJVMPauseDetector = new LongJVMPauseDetector(log);
    longJVMPauseDetector.start();
    RuntimeMXBean rtBean = ManagementFactory.getRuntimeMXBean();
    // Ack various information.
    ackAsciiLogo();
    ackConfigUrl();
    ackConfiguration(cfg);
    ackDaemon();
    ackOsInfo();
    ackLanguageRuntime();
    ackRemoteManagement();
    ackLogger();
    ackVmArguments(rtBean);
    ackClassPaths(rtBean);
    ackSystemProperties();
    ackEnvironmentVariables();
    ackMemoryConfiguration();
    ackCacheConfiguration();
    ackP2pConfiguration();
    ackRebalanceConfiguration();
    ackIPv4StackFlagIsSet();
    ackWaitForBackupsOnShutdownPropertyIsUsed();
    // Ack 3-rd party licenses location.
    if (log.isInfoEnabled() && cfg.getIgniteHome() != null)
        log.info("3-rd party licenses can be found at: " + cfg.getIgniteHome() + File.separatorChar + "libs" + File.separatorChar + "licenses");
    // with internally reserved names.
    for (String name : cfg.getUserAttributes().keySet()) if (name.startsWith(ATTR_PREFIX))
        throw new IgniteCheckedException("User attribute has illegal name: '" + name + "'. Note that all names " + "starting with '" + ATTR_PREFIX + "' are reserved for internal use.");
    // Ack local node user attributes.
    logNodeUserAttributes();
    // Ack configuration.
    ackSpis();
    List<PluginProvider> plugins = cfg.getPluginProviders() != null && cfg.getPluginProviders().length > 0 ? Arrays.asList(cfg.getPluginProviders()) : U.allPluginProviders();
    // Spin out SPIs & managers.
    try {
        ctx = new GridKernalContextImpl(log, this, cfg, gw, plugins, MarshallerUtils.classNameFilter(this.getClass().getClassLoader()), workerRegistry, hnd, longJVMPauseDetector);
        startProcessor(new DiagnosticProcessor(ctx));
        mBeansMgr = new IgniteMBeansManager(this);
        cfg.getMarshaller().setContext(ctx.marshallerContext());
        startProcessor(new GridInternalSubscriptionProcessor(ctx));
        ClusterProcessor clusterProc = new ClusterProcessor(ctx);
        startProcessor(clusterProc);
        U.onGridStart();
        // Start and configure resource processor first as it contains resources used
        // by all other managers and processors.
        GridResourceProcessor rsrcProc = new GridResourceProcessor(ctx);
        rsrcProc.setSpringContext(rsrcCtx);
        scheduler = new IgniteSchedulerImpl(ctx);
        startProcessor(rsrcProc);
        // Inject resources into lifecycle beans.
        if (!cfg.isDaemon() && cfg.getLifecycleBeans() != null) {
            for (LifecycleBean bean : cfg.getLifecycleBeans()) {
                if (bean != null)
                    rsrcProc.inject(bean);
            }
        }
        // Lifecycle notification.
        notifyLifecycleBeans(BEFORE_NODE_START);
        // Starts lifecycle aware components.
        U.startLifecycleAware(lifecycleAwares(cfg));
        startProcessor(new IgnitePluginProcessor(ctx, cfg, plugins));
        startProcessor(new FailureProcessor(ctx));
        // Start security processors.
        startProcessor(securityProcessor());
        startProcessor(new PoolProcessor(ctx));
        // Run background network diagnostics.
        GridDiagnostic.runBackgroundCheck(igniteInstanceName, ctx.pools().getExecutorService(), log);
        // Closure processor should be started before all others
        // (except for resource processor), as many components can depend on it.
        startProcessor(new GridClosureProcessor(ctx));
        // Start some other processors (order & place is important).
        startProcessor(new GridPortProcessor(ctx));
        startProcessor(new GridJobMetricsProcessor(ctx));
        // Timeout processor needs to be started before managers,
        // as managers may depend on it.
        startProcessor(new GridTimeoutProcessor(ctx));
        // NOTE: that order matters as there are dependencies between managers.
        try {
            startManager(new GridTracingManager(ctx, false));
        } catch (IgniteCheckedException e) {
            startManager(new GridTracingManager(ctx, true));
        }
        startManager(new GridMetricManager(ctx));
        startManager(new GridSystemViewManager(ctx));
        startManager(new GridIoManager(ctx));
        startManager(new GridCheckpointManager(ctx));
        startManager(new GridEventStorageManager(ctx));
        startManager(new GridDeploymentManager(ctx));
        startManager(new GridLoadBalancerManager(ctx));
        startManager(new GridFailoverManager(ctx));
        startManager(new GridCollisionManager(ctx));
        startManager(new GridIndexingManager(ctx));
        ackSecurity();
        // Assign discovery manager to context before other processors start so they
        // are able to register custom event listener.
        GridDiscoveryManager discoMgr = new GridDiscoveryManager(ctx);
        ctx.add(discoMgr, false);
        // Start the encryption manager after assigning the discovery manager to context, so it will be
        // able to register custom event listener.
        startManager(new GridEncryptionManager(ctx));
        startProcessor(new PdsConsistentIdProcessor(ctx));
        MaintenanceProcessor mntcProcessor = new MaintenanceProcessor(ctx);
        startProcessor(mntcProcessor);
        if (mntcProcessor.isMaintenanceMode()) {
            if (log.isInfoEnabled()) {
                log.info("Node is being started in maintenance mode. " + "Starting IsolatedDiscoverySpi instead of configured discovery SPI.");
            }
            cfg.setClusterStateOnStart(ClusterState.INACTIVE);
            if (log.isInfoEnabled())
                log.info("Overriding 'clusterStateOnStart' configuration to 'INACTIVE'.");
            ctx.config().setDiscoverySpi(new IsolatedDiscoverySpi());
            discoMgr = new GridDiscoveryManager(ctx);
            // Reinitialized discovery manager won't have a valid consistentId on creation.
            discoMgr.consistentId(ctx.pdsFolderResolver().resolveFolders().consistentId());
            ctx.add(discoMgr, false);
        }
        // be able to start receiving messages once discovery completes.
        try {
            startProcessor(COMPRESSION.createOptional(ctx));
            startProcessor(new GridMarshallerMappingProcessor(ctx));
            startProcessor(new MvccProcessorImpl(ctx));
            startProcessor(createComponent(DiscoveryNodeValidationProcessor.class, ctx));
            startProcessor(new GridAffinityProcessor(ctx));
            startProcessor(createComponent(GridSegmentationProcessor.class, ctx));
            startTimer.finishGlobalStage("Start managers");
            startProcessor(createComponent(IgniteCacheObjectProcessor.class, ctx));
            startTimer.finishGlobalStage("Configure binary metadata");
            startProcessor(createComponent(IGridClusterStateProcessor.class, ctx));
            startProcessor(new PerformanceStatisticsProcessor(ctx));
            startProcessor(new GridCacheProcessor(ctx));
            if (cfg.isAuthenticationEnabled()) {
                IgniteSecurityProcessor sec = (IgniteSecurityProcessor) ctx.security();
                ((IgniteAuthenticationProcessor) sec.securityProcessor()).startProcessor();
            }
            startProcessor(new IndexProcessor(ctx));
            startProcessor(new GridQueryProcessor(ctx));
            startProcessor(new ClientListenerProcessor(ctx));
            startProcessor(new IgniteServiceProcessor(ctx));
            startProcessor(new GridTaskSessionProcessor(ctx));
            startProcessor(new GridJobProcessor(ctx));
            startProcessor(new GridTaskProcessor(ctx));
            startProcessor((GridProcessor) SCHEDULE.createOptional(ctx));
            startProcessor(createComponent(IgniteRestProcessor.class, ctx));
            startProcessor(new DataStreamProcessor(ctx));
            startProcessor(new GridContinuousProcessor(ctx));
            startProcessor(new DataStructuresProcessor(ctx));
            startProcessor(createComponent(PlatformProcessor.class, ctx));
            startProcessor(new DistributedMetaStorageImpl(ctx));
            startProcessor(new DistributedConfigurationProcessor(ctx));
            startProcessor(new DurableBackgroundTasksProcessor(ctx));
            startTimer.finishGlobalStage("Start processors");
            // Start plugins.
            for (PluginProvider provider : ctx.plugins().allProviders()) {
                ctx.add(new GridPluginComponent(provider));
                provider.start(ctx.plugins().pluginContextForProvider(provider));
                startTimer.finishGlobalStage("Start '" + provider.name() + "' plugin");
            }
            // Start platform plugins.
            if (ctx.config().getPlatformConfiguration() != null)
                startProcessor(new PlatformPluginProcessor(ctx));
            mBeansMgr.registerMBeansDuringInitPhase();
            ctx.cluster().initDiagnosticListeners();
            fillNodeAttributes(clusterProc.updateNotifierEnabled());
            ctx.cache().context().database().notifyMetaStorageSubscribersOnReadyForRead();
            ((DistributedMetaStorageImpl) ctx.distributedMetastorage()).inMemoryReadyForRead();
            startTimer.finishGlobalStage("Init metastore");
            ctx.cache().context().database().startMemoryRestore(ctx, startTimer);
            ctx.recoveryMode(false);
            startTimer.finishGlobalStage("Finish recovery");
        } catch (Throwable e) {
            U.error(log, "Exception during start processors, node will be stopped and close connections", e);
            // Stop discovery spi to close tcp socket.
            ctx.discovery().stop(true);
            throw e;
        }
        // All components exept Discovery are started, time to check if maintenance is still needed.
        mntcProcessor.prepareAndExecuteMaintenance();
        gw.writeLock();
        try {
            gw.setState(STARTED);
            // Start discovery manager last to make sure that grid is fully initialized.
            startManager(discoMgr);
        } finally {
            gw.writeUnlock();
        }
        startTimer.finishGlobalStage("Join topology");
        // Check whether UTF-8 is the default character encoding.
        checkFileEncoding();
        // Check whether physical RAM is not exceeded.
        checkPhysicalRam();
        // Suggest configuration optimizations.
        suggestOptimizations(cfg);
        // Suggest JVM optimizations.
        ctx.performance().addAll(JvmConfigurationSuggestions.getSuggestions());
        // Suggest Operation System optimizations.
        ctx.performance().addAll(OsConfigurationSuggestions.getSuggestions());
        DiscoveryLocalJoinData joinData = ctx.discovery().localJoin();
        IgniteInternalFuture<Boolean> transitionWaitFut = joinData.transitionWaitFuture();
        // Notify discovery manager the first to make sure that topology is discovered.
        // Active flag is not used in managers, so it is safe to pass true.
        ctx.discovery().onKernalStart(true);
        // Notify IO manager the second so further components can send and receive messages.
        // Must notify the IO manager before transition state await to make sure IO connection can be established.
        ctx.io().onKernalStart(true);
        boolean active;
        if (transitionWaitFut != null) {
            if (log.isInfoEnabled()) {
                log.info("Join cluster while cluster state transition is in progress, " + "waiting when transition finish.");
            }
            active = transitionWaitFut.get();
        } else
            active = joinData.active();
        startTimer.finishGlobalStage("Await transition");
        ctx.pools().registerMetrics();
        registerMetrics();
        ctx.cluster().registerMetrics();
        // Register MBeans.
        mBeansMgr.registerMBeansAfterNodeStarted();
        boolean recon = false;
        // Callbacks.
        for (GridComponent comp : ctx) {
            // Skip discovery manager.
            if (comp instanceof GridDiscoveryManager)
                continue;
            // Skip IO manager.
            if (comp instanceof GridIoManager)
                continue;
            if (comp instanceof GridPluginComponent)
                continue;
            if (!skipDaemon(comp)) {
                try {
                    comp.onKernalStart(active);
                } catch (IgniteNeedReconnectException e) {
                    ClusterNode locNode = ctx.discovery().localNode();
                    assert locNode.isClient();
                    if (!ctx.discovery().reconnectSupported())
                        throw new IgniteCheckedException("Client node in forceServerMode " + "is not allowed to reconnect to the cluster and will be stopped.");
                    if (log.isDebugEnabled())
                        log.debug("Failed to start node components on node start, will wait for reconnect: " + e);
                    recon = true;
                }
            }
        }
        // Start plugins.
        for (PluginProvider provider : ctx.plugins().allProviders()) provider.onIgniteStart();
        if (recon)
            reconnectState.waitFirstReconnect();
        // Lifecycle bean notifications.
        notifyLifecycleBeans(AFTER_NODE_START);
    } catch (Throwable e) {
        IgniteSpiVersionCheckException verCheckErr = X.cause(e, IgniteSpiVersionCheckException.class);
        if (verCheckErr != null)
            U.error(log, verCheckErr.getMessage());
        else if (X.hasCause(e, InterruptedException.class, IgniteInterruptedCheckedException.class))
            U.warn(log, "Grid startup routine has been interrupted (will rollback).");
        else
            U.error(log, "Got exception while starting (will rollback startup routine).", e);
        errHnd.apply();
        stop(true);
        if (e instanceof Error)
            throw e;
        else if (e instanceof IgniteCheckedException)
            throw (IgniteCheckedException) e;
        else
            throw new IgniteCheckedException(e);
    }
    // Mark start timestamp.
    startTime = U.currentTimeMillis();
    String intervalStr = IgniteSystemProperties.getString(IGNITE_STARVATION_CHECK_INTERVAL);
    // Start starvation checker if enabled.
    boolean starveCheck = !isDaemon() && !"0".equals(intervalStr);
    if (starveCheck) {
        final long interval = F.isEmpty(intervalStr) ? DFLT_PERIODIC_STARVATION_CHECK_FREQ : Long.parseLong(intervalStr);
        starveTask = ctx.timeout().schedule(new Runnable() {

            /**
             * Last completed task count.
             */
            private long lastCompletedCntPub;

            /**
             * Last completed task count.
             */
            private long lastCompletedCntSys;

            /**
             * Last completed task count.
             */
            private long lastCompletedCntQry;

            @Override
            public void run() {
                if (ctx.pools().getExecutorService() instanceof ThreadPoolExecutor) {
                    ThreadPoolExecutor exec = (ThreadPoolExecutor) ctx.pools().getExecutorService();
                    lastCompletedCntPub = checkPoolStarvation(exec, lastCompletedCntPub, "public");
                }
                if (ctx.pools().getSystemExecutorService() instanceof ThreadPoolExecutor) {
                    ThreadPoolExecutor exec = (ThreadPoolExecutor) ctx.pools().getSystemExecutorService();
                    lastCompletedCntSys = checkPoolStarvation(exec, lastCompletedCntSys, "system");
                }
                if (ctx.pools().getQueryExecutorService() instanceof ThreadPoolExecutor) {
                    ThreadPoolExecutor exec = (ThreadPoolExecutor) ctx.pools().getQueryExecutorService();
                    lastCompletedCntQry = checkPoolStarvation(exec, lastCompletedCntQry, "query");
                }
                if (ctx.pools().getStripedExecutorService() != null)
                    ctx.pools().getStripedExecutorService().detectStarvation();
            }

            /**
             * @param exec Thread pool executor to check.
             * @param lastCompletedCnt Last completed tasks count.
             * @param pool Pool name for message.
             * @return Current completed tasks count.
             */
            private long checkPoolStarvation(ThreadPoolExecutor exec, long lastCompletedCnt, String pool) {
                long completedCnt = exec.getCompletedTaskCount();
                // at least one waiting request, then it is possible starvation.
                if (exec.getPoolSize() == exec.getActiveCount() && completedCnt == lastCompletedCnt && !exec.getQueue().isEmpty())
                    LT.warn(log, "Possible thread pool starvation detected (no task completed in last " + interval + "ms, is " + pool + " thread pool size large enough?)");
                return completedCnt;
            }
        }, interval, interval);
    }
    long metricsLogFreq = cfg.getMetricsLogFrequency();
    if (metricsLogFreq > 0) {
        metricsLogTask = ctx.timeout().schedule(new Runnable() {

            private final DecimalFormat dblFmt = doubleFormat();

            @Override
            public void run() {
                ackNodeMetrics(dblFmt, ctx.pools().getExecutorService(), ctx.pools().getSystemExecutorService(), ctx.pools().getStripedExecutorService(), ctx.pools().customExecutors());
            }
        }, metricsLogFreq, metricsLogFreq);
    }
    ctx.performance().add("Disable assertions (remove '-ea' from JVM options)", !U.assertionsEnabled());
    ctx.performance().logSuggestions(log, igniteInstanceName);
    U.quietAndInfo(log, "To start Console Management & Monitoring run ignitevisorcmd.{sh|bat}");
    if (!IgniteSystemProperties.getBoolean(IgniteSystemProperties.IGNITE_QUIET, true))
        ackClassPathContent();
    ackStart(rtBean);
    if (!isDaemon())
        ctx.discovery().ackTopology(ctx.discovery().localJoin().joinTopologyVersion().topologyVersion(), EventType.EVT_NODE_JOINED, localNode());
    startTimer.finishGlobalStage("Await exchange");
}

Example 100 with RuntimeMXBean

use of java.lang.management.RuntimeMXBean in project zookeeper by apache.

the class OSMXBean method getOpenFileDescriptorCount.

/**
 * Get the number of opened filed descriptor for the runtime jvm.
 * If sun java, it will use the com.sun.management interfaces.
 * Otherwise, this methods implements it (linux only).
 * @return number of open file descriptors for the jvm
 */
public long getOpenFileDescriptorCount() {
    Long ofdc;
    if (!ibmvendor) {
        ofdc = getOSUnixMXBeanMethod("getOpenFileDescriptorCount");
        return (ofdc != null ? ofdc.longValue() : -1);
    }
    try {
        // need to get the PID number of the process first
        RuntimeMXBean rtmbean = ManagementFactory.getRuntimeMXBean();
        String rtname = rtmbean.getName();
        String[] pidhost = rtname.split("@");
        // using linux bash commands to retrieve info
        Process p = Runtime.getRuntime().exec(new String[] { "bash", "-c", "ls /proc/" + pidhost[0] + "/fdinfo | wc -l" });
        InputStream in = p.getInputStream();
        BufferedReader output = new BufferedReader(new InputStreamReader(in));
        try {
            String openFileDesCount;
            if ((openFileDesCount = output.readLine()) != null) {
                return Long.parseLong(openFileDesCount);
            }
        } finally {
            if (output != null) {
                output.close();
            }
        }
    } catch (IOException ie) {
        LOG.warn("Not able to get the number of open file descriptors", ie);
    }
    return -1;
}