Examples with MetricsCollectorHandler org.apache.solr.handler.admin.MetricsCollectorHandler used on opensource projects

Example 1 with MetricsCollectorHandler

use of org.apache.solr.handler.admin.MetricsCollectorHandler in project lucene-solr by apache.

the class CloserThread method load.

//-------------------------------------------------------------------
// Initialization / Cleanup
//-------------------------------------------------------------------
/**
   * Load the cores defined for this CoreContainer
   */
public void load() {
    log.debug("Loading cores into CoreContainer [instanceDir={}]", loader.getInstancePath());
    // add the sharedLib to the shared resource loader before initializing cfg based plugins
    String libDir = cfg.getSharedLibDirectory();
    if (libDir != null) {
        Path libPath = loader.getInstancePath().resolve(libDir);
        try {
            loader.addToClassLoader(SolrResourceLoader.getURLs(libPath));
            loader.reloadLuceneSPI();
        } catch (IOException e) {
            if (!libDir.equals("lib")) {
                // Don't complain if default "lib" dir does not exist
                log.warn("Couldn't add files from {} to classpath: {}", libPath, e.getMessage());
            }
        }
    }
    metricManager = new SolrMetricManager(loader, cfg.getMetricsConfig());
    coreContainerWorkExecutor = MetricUtils.instrumentedExecutorService(coreContainerWorkExecutor, null, metricManager.registry(SolrMetricManager.getRegistryName(SolrInfoBean.Group.node)), SolrMetricManager.mkName("coreContainerWorkExecutor", SolrInfoBean.Category.CONTAINER.toString(), "threadPool"));
    shardHandlerFactory = ShardHandlerFactory.newInstance(cfg.getShardHandlerFactoryPluginInfo(), loader);
    if (shardHandlerFactory instanceof SolrMetricProducer) {
        SolrMetricProducer metricProducer = (SolrMetricProducer) shardHandlerFactory;
        metricProducer.initializeMetrics(metricManager, SolrInfoBean.Group.node.toString(), "httpShardHandler");
    }
    updateShardHandler = new UpdateShardHandler(cfg.getUpdateShardHandlerConfig());
    updateShardHandler.initializeMetrics(metricManager, SolrInfoBean.Group.node.toString(), "updateShardHandler");
    transientCoreCache = TransientSolrCoreCacheFactory.newInstance(loader, this);
    logging = LogWatcher.newRegisteredLogWatcher(cfg.getLogWatcherConfig(), loader);
    hostName = cfg.getNodeName();
    zkSys.initZooKeeper(this, solrHome, cfg.getCloudConfig());
    if (isZooKeeperAware())
        pkiAuthenticationPlugin = new PKIAuthenticationPlugin(this, zkSys.getZkController().getNodeName());
    MDCLoggingContext.setNode(this);
    securityConfHandler = isZooKeeperAware() ? new SecurityConfHandlerZk(this) : new SecurityConfHandlerLocal(this);
    reloadSecurityProperties();
    this.backupRepoFactory = new BackupRepositoryFactory(cfg.getBackupRepositoryPlugins());
    createHandler(ZK_PATH, ZookeeperInfoHandler.class.getName(), ZookeeperInfoHandler.class);
    collectionsHandler = createHandler(COLLECTIONS_HANDLER_PATH, cfg.getCollectionsHandlerClass(), CollectionsHandler.class);
    infoHandler = createHandler(INFO_HANDLER_PATH, cfg.getInfoHandlerClass(), InfoHandler.class);
    coreAdminHandler = createHandler(CORES_HANDLER_PATH, cfg.getCoreAdminHandlerClass(), CoreAdminHandler.class);
    configSetsHandler = createHandler(CONFIGSETS_HANDLER_PATH, cfg.getConfigSetsHandlerClass(), ConfigSetsHandler.class);
    metricsHandler = createHandler(METRICS_PATH, MetricsHandler.class.getName(), MetricsHandler.class);
    metricsCollectorHandler = createHandler(MetricsCollectorHandler.HANDLER_PATH, MetricsCollectorHandler.class.getName(), MetricsCollectorHandler.class);
    // may want to add some configuration here in the future
    metricsCollectorHandler.init(null);
    containerHandlers.put(AUTHZ_PATH, securityConfHandler);
    securityConfHandler.initializeMetrics(metricManager, SolrInfoBean.Group.node.toString(), AUTHZ_PATH);
    containerHandlers.put(AUTHC_PATH, securityConfHandler);
    if (pkiAuthenticationPlugin != null)
        containerHandlers.put(PKIAuthenticationPlugin.PATH, pkiAuthenticationPlugin.getRequestHandler());
    PluginInfo[] metricReporters = cfg.getMetricsConfig().getMetricReporters();
    metricManager.loadReporters(metricReporters, loader, null, SolrInfoBean.Group.node);
    metricManager.loadReporters(metricReporters, loader, null, SolrInfoBean.Group.jvm);
    metricManager.loadReporters(metricReporters, loader, null, SolrInfoBean.Group.jetty);
    coreConfigService = ConfigSetService.createConfigSetService(cfg, loader, zkSys.zkController);
    containerProperties.putAll(cfg.getSolrProperties());
    // initialize gauges for reporting the number of cores and disk total/free
    String registryName = SolrMetricManager.getRegistryName(SolrInfoBean.Group.node);
    metricManager.registerGauge(null, registryName, () -> solrCores.getCores().size(), true, "loaded", SolrInfoBean.Category.CONTAINER.toString(), "cores");
    metricManager.registerGauge(null, registryName, () -> solrCores.getLoadedCoreNames().size() - solrCores.getCores().size(), true, "lazy", SolrInfoBean.Category.CONTAINER.toString(), "cores");
    metricManager.registerGauge(null, registryName, () -> solrCores.getAllCoreNames().size() - solrCores.getLoadedCoreNames().size(), true, "unloaded", SolrInfoBean.Category.CONTAINER.toString(), "cores");
    metricManager.registerGauge(null, registryName, () -> cfg.getCoreRootDirectory().toFile().getTotalSpace(), true, "totalSpace", SolrInfoBean.Category.CONTAINER.toString(), "fs");
    metricManager.registerGauge(null, registryName, () -> cfg.getCoreRootDirectory().toFile().getUsableSpace(), true, "usableSpace", SolrInfoBean.Category.CONTAINER.toString(), "fs");
    // add version information
    metricManager.registerGauge(null, registryName, () -> this.getClass().getPackage().getSpecificationVersion(), true, "specification", SolrInfoBean.Category.CONTAINER.toString(), "version");
    metricManager.registerGauge(null, registryName, () -> this.getClass().getPackage().getImplementationVersion(), true, "implementation", SolrInfoBean.Category.CONTAINER.toString(), "version");
    SolrFieldCacheBean fieldCacheBean = new SolrFieldCacheBean();
    fieldCacheBean.initializeMetrics(metricManager, registryName, null);
    if (isZooKeeperAware()) {
        metricManager.loadClusterReporters(metricReporters, this);
    }
    // setup executor to load cores in parallel
    ExecutorService coreLoadExecutor = MetricUtils.instrumentedExecutorService(ExecutorUtil.newMDCAwareFixedThreadPool(cfg.getCoreLoadThreadCount(isZooKeeperAware()), new DefaultSolrThreadFactory("coreLoadExecutor")), null, metricManager.registry(SolrMetricManager.getRegistryName(SolrInfoBean.Group.node)), SolrMetricManager.mkName("coreLoadExecutor", SolrInfoBean.Category.CONTAINER.toString(), "threadPool"));
    final List<Future<SolrCore>> futures = new ArrayList<>();
    try {
        List<CoreDescriptor> cds = coresLocator.discover(this);
        if (isZooKeeperAware()) {
            //sort the cores if it is in SolrCloud. In standalone node the order does not matter
            CoreSorter coreComparator = new CoreSorter().init(this);
            //make a copy
            cds = new ArrayList<>(cds);
            Collections.sort(cds, coreComparator::compare);
        }
        checkForDuplicateCoreNames(cds);
        status |= CORE_DISCOVERY_COMPLETE;
        for (final CoreDescriptor cd : cds) {
            if (cd.isTransient() || !cd.isLoadOnStartup()) {
                getTransientCacheHandler().addTransientDescriptor(cd.getName(), cd);
            } else if (asyncSolrCoreLoad) {
                solrCores.markCoreAsLoading(cd);
            }
            if (cd.isLoadOnStartup()) {
                futures.add(coreLoadExecutor.submit(() -> {
                    SolrCore core;
                    try {
                        if (zkSys.getZkController() != null) {
                            zkSys.getZkController().throwErrorIfReplicaReplaced(cd);
                        }
                        core = create(cd, false, false);
                    } finally {
                        if (asyncSolrCoreLoad) {
                            solrCores.markCoreAsNotLoading(cd);
                        }
                    }
                    try {
                        zkSys.registerInZk(core, true, false);
                    } catch (RuntimeException e) {
                        SolrException.log(log, "Error registering SolrCore", e);
                    }
                    return core;
                }));
            }
        }
        // Start the background thread
        backgroundCloser = new CloserThread(this, solrCores, cfg);
        backgroundCloser.start();
    } finally {
        if (asyncSolrCoreLoad && futures != null) {
            coreContainerWorkExecutor.submit((Runnable) () -> {
                try {
                    for (Future<SolrCore> future : futures) {
                        try {
                            future.get();
                        } catch (InterruptedException e) {
                            Thread.currentThread().interrupt();
                        } catch (ExecutionException e) {
                            log.error("Error waiting for SolrCore to be created", e);
                        }
                    }
                } finally {
                    ExecutorUtil.shutdownAndAwaitTermination(coreLoadExecutor);
                }
            });
        } else {
            ExecutorUtil.shutdownAndAwaitTermination(coreLoadExecutor);
        }
    }
    if (isZooKeeperAware()) {
        zkSys.getZkController().checkOverseerDesignate();
    }
    // This is a bit redundant but these are two distinct concepts for all they're accomplished at the same time.
    status |= LOAD_COMPLETE | INITIAL_CORE_LOAD_COMPLETE;
}