Examples with RevisionGC org.apache.jackrabbit.oak.spi.state.RevisionGC used on opensource projects

Example 1 with RevisionGC

use of org.apache.jackrabbit.oak.spi.state.RevisionGC in project jackrabbit-oak by apache.

the class DocumentNodeStoreService method registerJMXBeans.

private void registerJMXBeans(final DocumentNodeStore store, DocumentMK.Builder mkBuilder) throws IOException {
    addRegistration(registerMBean(whiteboard, CacheStatsMBean.class, store.getNodeCacheStats(), CacheStatsMBean.TYPE, store.getNodeCacheStats().getName()));
    addRegistration(registerMBean(whiteboard, CacheStatsMBean.class, store.getNodeChildrenCacheStats(), CacheStatsMBean.TYPE, store.getNodeChildrenCacheStats().getName()));
    for (CacheStats cs : store.getDiffCacheStats()) {
        addRegistration(registerMBean(whiteboard, CacheStatsMBean.class, cs, CacheStatsMBean.TYPE, cs.getName()));
    }
    DocumentStore ds = store.getDocumentStore();
    if (ds.getCacheStats() != null) {
        for (CacheStats cacheStats : ds.getCacheStats()) {
            addRegistration(registerMBean(whiteboard, CacheStatsMBean.class, cacheStats, CacheStatsMBean.TYPE, cacheStats.getName()));
        }
    }
    addRegistration(registerMBean(whiteboard, CheckpointMBean.class, new DocumentCheckpointMBean(store), CheckpointMBean.TYPE, "Document node store checkpoint management"));
    addRegistration(registerMBean(whiteboard, DocumentNodeStoreMBean.class, store.getMBean(), DocumentNodeStoreMBean.TYPE, "Document node store management"));
    if (mkBuilder.getBlobStoreCacheStats() != null) {
        addRegistration(registerMBean(whiteboard, CacheStatsMBean.class, mkBuilder.getBlobStoreCacheStats(), CacheStatsMBean.TYPE, mkBuilder.getBlobStoreCacheStats().getName()));
    }
    if (mkBuilder.getDocumentStoreStatsCollector() instanceof DocumentStoreStatsMBean) {
        addRegistration(registerMBean(whiteboard, DocumentStoreStatsMBean.class, (DocumentStoreStatsMBean) mkBuilder.getDocumentStoreStatsCollector(), DocumentStoreStatsMBean.TYPE, "DocumentStore Statistics"));
    }
    // register persistent cache stats
    Map<CacheType, PersistentCacheStats> persistenceCacheStats = mkBuilder.getPersistenceCacheStats();
    for (PersistentCacheStats pcs : persistenceCacheStats.values()) {
        addRegistration(registerMBean(whiteboard, PersistentCacheStatsMBean.class, pcs, PersistentCacheStatsMBean.TYPE, pcs.getName()));
    }
    final long versionGcMaxAgeInSecs = toLong(prop(PROP_VER_GC_MAX_AGE), DEFAULT_VER_GC_MAX_AGE);
    final long blobGcMaxAgeInSecs = toLong(prop(PROP_BLOB_GC_MAX_AGE), DEFAULT_BLOB_GC_MAX_AGE);
    if (store.getBlobStore() instanceof GarbageCollectableBlobStore) {
        BlobGarbageCollector gc = store.createBlobGarbageCollector(blobGcMaxAgeInSecs, ClusterRepositoryInfo.getOrCreateId(nodeStore));
        addRegistration(registerMBean(whiteboard, BlobGCMBean.class, new BlobGC(gc, executor), BlobGCMBean.TYPE, "Document node store blob garbage collection"));
    }
    Runnable startGC = new Runnable() {

        @Override
        public void run() {
            try {
                store.getVersionGarbageCollector().gc(versionGcMaxAgeInSecs, TimeUnit.SECONDS);
            } catch (IOException e) {
                log.warn("Error occurred while executing the Version Garbage Collector", e);
            }
        }
    };
    Runnable cancelGC = new Runnable() {

        @Override
        public void run() {
            store.getVersionGarbageCollector().cancel();
        }
    };
    Supplier<String> status = new Supplier<String>() {

        @Override
        public String get() {
            return store.getVersionGarbageCollector().getStatus();
        }
    };
    RevisionGC revisionGC = new RevisionGC(startGC, cancelGC, status, executor);
    addRegistration(registerMBean(whiteboard, RevisionGCMBean.class, revisionGC, RevisionGCMBean.TYPE, "Document node store revision garbage collection"));
    BlobStoreStats blobStoreStats = mkBuilder.getBlobStoreStats();
    if (!customBlobStore && blobStoreStats != null) {
        addRegistration(registerMBean(whiteboard, BlobStoreStatsMBean.class, blobStoreStats, BlobStoreStatsMBean.TYPE, ds.getClass().getSimpleName()));
    }
    if (!mkBuilder.isBundlingDisabled()) {
        addRegistration(registerMBean(whiteboard, BackgroundObserverMBean.class, store.getBundlingConfigHandler().getMBean(), BackgroundObserverMBean.TYPE, "BundlingConfigObserver"));
    }
}

Example 2 with RevisionGC

use of org.apache.jackrabbit.oak.spi.state.RevisionGC in project jackrabbit-oak by apache.

the class SegmentCompactionIT method setUp.

@Before
public void setUp() throws Exception {
    assumeTrue(ENABLED);
    ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
    MetricStatisticsProvider statisticsProvider = new MetricStatisticsProvider(mBeanServer, executor);
    SegmentGCOptions gcOptions = defaultGCOptions().setEstimationDisabled(true).setForceTimeout(3600);
    FileStoreBuilder builder = fileStoreBuilder(folder.getRoot());
    fileStore = builder.withMemoryMapping(true).withGCMonitor(gcMonitor).withGCOptions(gcOptions).withIOMonitor(new MetricsIOMonitor(statisticsProvider)).withStatisticsProvider(statisticsProvider).build();
    nodeStore = SegmentNodeStoreBuilders.builder(fileStore).withStatisticsProvider(statisticsProvider).build();
    WriterCacheManager cacheManager = builder.getCacheManager();
    Runnable cancelGC = new Runnable() {

        @Override
        public void run() {
            fileStore.cancelGC();
        }
    };
    Supplier<String> status = new Supplier<String>() {

        @Override
        public String get() {
            return fileStoreGCMonitor.getStatus();
        }
    };
    List<Registration> registrations = newArrayList();
    registrations.add(registerMBean(segmentCompactionMBean, new ObjectName("IT:TYPE=Segment Compaction")));
    registrations.add(registerMBean(new SegmentRevisionGCMBean(fileStore, gcOptions, fileStoreGCMonitor), new ObjectName("IT:TYPE=Segment Revision GC")));
    registrations.add(registerMBean(new RevisionGC(fileStore.getGCRunner(), cancelGC, status, executor), new ObjectName("IT:TYPE=Revision GC")));
    CacheStatsMBean segmentCacheStats = fileStore.getSegmentCacheStats();
    registrations.add(registerMBean(segmentCacheStats, new ObjectName("IT:TYPE=" + segmentCacheStats.getName())));
    CacheStatsMBean stringCacheStats = fileStore.getStringCacheStats();
    registrations.add(registerMBean(stringCacheStats, new ObjectName("IT:TYPE=" + stringCacheStats.getName())));
    CacheStatsMBean templateCacheStats = fileStore.getTemplateCacheStats();
    registrations.add(registerMBean(templateCacheStats, new ObjectName("IT:TYPE=" + templateCacheStats.getName())));
    CacheStatsMBean stringDeduplicationCacheStats = cacheManager.getStringCacheStats();
    assertNotNull(stringDeduplicationCacheStats);
    registrations.add(registerMBean(stringDeduplicationCacheStats, new ObjectName("IT:TYPE=" + stringDeduplicationCacheStats.getName())));
    CacheStatsMBean templateDeduplicationCacheStats = cacheManager.getTemplateCacheStats();
    assertNotNull(templateDeduplicationCacheStats);
    registrations.add(registerMBean(templateDeduplicationCacheStats, new ObjectName("IT:TYPE=" + templateDeduplicationCacheStats.getName())));
    CacheStatsMBean nodeDeduplicationCacheStats = cacheManager.getNodeCacheStats();
    assertNotNull(nodeDeduplicationCacheStats);
    registrations.add(registerMBean(nodeDeduplicationCacheStats, new ObjectName("IT:TYPE=" + nodeDeduplicationCacheStats.getName())));
    registrations.add(registerMBean(nodeStore.getStats(), new ObjectName("IT:TYPE=" + "SegmentNodeStore statistics")));
    mBeanRegistration = new CompositeRegistration(registrations);
}

Example 3 with RevisionGC

use of org.apache.jackrabbit.oak.spi.state.RevisionGC in project jackrabbit-oak by apache.

the class Registrations method registerSegmentStore.

/**
     * Configures and registers a new SegmentNodeStore instance together will
     * all required components. Anything that must be disposed of (like
     * registered services or MBeans) will be registered via the
     * {@code registration} parameter.
     *
     * @param context            An instance of {@link ComponentContext}.
     * @param blobStore          An instance of {@link BlobStore}. It can be
     *                           {@code null}.
     * @param statisticsProvider An instance of {@link StatisticsProvider}.
     * @param closer             An instance of {@link Closer}. It will be used
     *                           to track every registered service or
     *                           component.
     * @param whiteboard         An instance of {@link Whiteboard}. It will be
     *                           used to register services in the OSGi
     *                           framework.
     * @param role               The role of this component. It can be {@code
     *                           null}.
     * @param descriptors        Determines if repository descriptors related to
     *                           discovery services should be registered.
     * @return A configured {@link SegmentNodeStore}, or {@code null} if the
     * setup failed.
     * @throws IOException In case an unrecoverable error occurs.
     */
static SegmentNodeStore registerSegmentStore(@Nonnull ComponentContext context, @Nullable BlobStore blobStore, @Nonnull StatisticsProvider statisticsProvider, @Nonnull Closer closer, @Nonnull Whiteboard whiteboard, @Nullable String role, boolean descriptors) throws IOException {
    Configuration configuration = new Configuration(context, role);
    Closeables closeables = new Closeables(closer);
    Registrations registrations = new Registrations(whiteboard, role);
    // Listen for GCMonitor services
    GCMonitor gcMonitor = GCMonitor.EMPTY;
    if (configuration.isPrimarySegmentStore()) {
        GCMonitorTracker tracker = new GCMonitorTracker();
        tracker.start(whiteboard);
        closeables.add(tracker);
        gcMonitor = tracker;
    }
    // Create the gc options
    if (configuration.getCompactionGainThreshold() != null) {
        log.warn("Detected deprecated flag 'compaction.gainThreshold'. " + "Please use 'compaction.sizeDeltaEstimation' instead and " + "'compaction.disableEstimation' to disable estimation.");
    }
    SegmentGCOptions gcOptions = new SegmentGCOptions(configuration.getPauseCompaction(), configuration.getRetryCount(), configuration.getForceCompactionTimeout()).setRetainedGenerations(configuration.getRetainedGenerations()).setGcSizeDeltaEstimation(configuration.getSizeDeltaEstimation()).setMemoryThreshold(configuration.getMemoryThreshold()).setEstimationDisabled(configuration.getDisableEstimation()).withGCNodeWriteMonitor(configuration.getGCProcessLog());
    // Build the FileStore
    FileStoreBuilder builder = fileStoreBuilder(configuration.getSegmentDirectory()).withSegmentCacheSize(configuration.getSegmentCacheSize()).withStringCacheSize(configuration.getStringCacheSize()).withTemplateCacheSize(configuration.getTemplateCacheSize()).withStringDeduplicationCacheSize(configuration.getStringDeduplicationCacheSize()).withTemplateDeduplicationCacheSize(configuration.getTemplateDeduplicationCacheSize()).withNodeDeduplicationCacheSize(configuration.getNodeDeduplicationCacheSize()).withMaxFileSize(configuration.getMaxFileSize()).withMemoryMapping(configuration.getMemoryMapping()).withGCMonitor(gcMonitor).withIOMonitor(new MetricsIOMonitor(statisticsProvider)).withStatisticsProvider(statisticsProvider).withGCOptions(gcOptions);
    if (configuration.hasCustomBlobStore() && blobStore != null) {
        log.info("Initializing SegmentNodeStore with BlobStore [{}]", blobStore);
        builder.withBlobStore(blobStore);
    }
    if (configuration.isStandbyInstance()) {
        builder.withSnfeListener(IGNORE_SNFE);
    }
    final FileStore store;
    try {
        store = builder.build();
    } catch (InvalidFileStoreVersionException e) {
        log.error("The storage format is not compatible with this version of Oak Segment Tar", e);
        return null;
    }
    // store should be closed last
    closeables.add(store);
    // Listen for Executor services on the whiteboard
    WhiteboardExecutor executor = new WhiteboardExecutor();
    executor.start(whiteboard);
    closeables.add(executor);
    // Expose stats about the segment cache
    CacheStatsMBean segmentCacheStats = store.getSegmentCacheStats();
    closeables.add(registrations.registerMBean(CacheStatsMBean.class, segmentCacheStats, CacheStats.TYPE, segmentCacheStats.getName()));
    // Expose stats about the string and template caches
    CacheStatsMBean stringCacheStats = store.getStringCacheStats();
    closeables.add(registrations.registerMBean(CacheStatsMBean.class, stringCacheStats, CacheStats.TYPE, stringCacheStats.getName()));
    CacheStatsMBean templateCacheStats = store.getTemplateCacheStats();
    closeables.add(registrations.registerMBean(CacheStatsMBean.class, templateCacheStats, CacheStats.TYPE, templateCacheStats.getName()));
    WriterCacheManager cacheManager = builder.getCacheManager();
    CacheStatsMBean stringDeduplicationCacheStats = cacheManager.getStringCacheStats();
    if (stringDeduplicationCacheStats != null) {
        closeables.add(registrations.registerMBean(CacheStatsMBean.class, stringDeduplicationCacheStats, CacheStats.TYPE, stringDeduplicationCacheStats.getName()));
    }
    CacheStatsMBean templateDeduplicationCacheStats = cacheManager.getTemplateCacheStats();
    if (templateDeduplicationCacheStats != null) {
        closeables.add(registrations.registerMBean(CacheStatsMBean.class, templateDeduplicationCacheStats, CacheStats.TYPE, templateDeduplicationCacheStats.getName()));
    }
    CacheStatsMBean nodeDeduplicationCacheStats = cacheManager.getNodeCacheStats();
    if (nodeDeduplicationCacheStats != null) {
        closeables.add(registrations.registerMBean(CacheStatsMBean.class, nodeDeduplicationCacheStats, CacheStats.TYPE, nodeDeduplicationCacheStats.getName()));
    }
    if (configuration.isPrimarySegmentStore()) {
        final FileStoreGCMonitor monitor = new FileStoreGCMonitor(Clock.SIMPLE);
        closeables.add(registrations.register(GCMonitor.class, monitor));
        if (!configuration.isStandbyInstance()) {
            closeables.add(registrations.registerMBean(SegmentRevisionGC.class, new SegmentRevisionGCMBean(store, gcOptions, monitor), SegmentRevisionGC.TYPE, "Segment node store revision garbage collection"));
        }
        Runnable cancelGC = new Runnable() {

            @Override
            public void run() {
                store.cancelGC();
            }
        };
        Supplier<String> statusMessage = new Supplier<String>() {

            @Override
            public String get() {
                return monitor.getStatus();
            }
        };
        closeables.add(registrations.registerMBean(RevisionGCMBean.class, new RevisionGC(store.getGCRunner(), cancelGC, statusMessage, executor), RevisionGCMBean.TYPE, "Revision garbage collection"));
    }
    // Expose statistics about the FileStore
    closeables.add(registrations.registerMBean(FileStoreStatsMBean.class, store.getStats(), FileStoreStatsMBean.TYPE, "FileStore statistics"));
    // register segment node store
    SegmentNodeStore.SegmentNodeStoreBuilder segmentNodeStoreBuilder = SegmentNodeStoreBuilders.builder(store).withStatisticsProvider(statisticsProvider);
    if (configuration.isStandbyInstance() || !configuration.isPrimarySegmentStore()) {
        segmentNodeStoreBuilder.dispatchChanges(false);
    }
    SegmentNodeStore segmentNodeStore = segmentNodeStoreBuilder.build();
    if (configuration.isPrimarySegmentStore()) {
        ObserverTracker observerTracker = new ObserverTracker(segmentNodeStore);
        observerTracker.start(context.getBundleContext());
        closeables.add(observerTracker);
    }
    if (configuration.isPrimarySegmentStore()) {
        closeables.add(registrations.registerMBean(CheckpointMBean.class, new SegmentCheckpointMBean(segmentNodeStore), CheckpointMBean.TYPE, "Segment node store checkpoint management"));
    }
    if (descriptors) {
        // ensure a clusterId is initialized
        // and expose it as 'oak.clusterid' repository descriptor
        GenericDescriptors clusterIdDesc = new GenericDescriptors();
        clusterIdDesc.put(ClusterRepositoryInfo.OAK_CLUSTERID_REPOSITORY_DESCRIPTOR_KEY, new SimpleValueFactory().createValue(getOrCreateId(segmentNodeStore)), true, false);
        closeables.add(registrations.register(Descriptors.class, clusterIdDesc));
        // Register "discovery lite" descriptors
        closeables.add(registrations.register(Descriptors.class, new SegmentDiscoveryLiteDescriptors(segmentNodeStore)));
    }
    // If a shared data store register the repo id in the data store
    if (configuration.isPrimarySegmentStore() && isShared(blobStore)) {
        SharedDataStore sharedDataStore = (SharedDataStore) blobStore;
        try {
            sharedDataStore.addMetadataRecord(new ByteArrayInputStream(new byte[0]), SharedStoreRecordType.REPOSITORY.getNameFromId(getOrCreateId(segmentNodeStore)));
        } catch (Exception e) {
            throw new IOException("Could not register a unique repositoryId", e);
        }
        if (blobStore instanceof BlobTrackingStore) {
            BlobTrackingStore trackingStore = (BlobTrackingStore) blobStore;
            if (trackingStore.getTracker() != null) {
                trackingStore.getTracker().close();
            }
            trackingStore.addTracker(new BlobIdTracker(configuration.getRepositoryHome(), getOrCreateId(segmentNodeStore), configuration.getBlobSnapshotInterval(), sharedDataStore));
        }
    }
    if (configuration.isPrimarySegmentStore() && blobStore instanceof GarbageCollectableBlobStore) {
        BlobGarbageCollector gc = new MarkSweepGarbageCollector(new SegmentBlobReferenceRetriever(store), (GarbageCollectableBlobStore) blobStore, executor, TimeUnit.SECONDS.toMillis(configuration.getBlobGcMaxAge()), getOrCreateId(segmentNodeStore));
        closeables.add(registrations.registerMBean(BlobGCMBean.class, new BlobGC(gc, executor), BlobGCMBean.TYPE, "Segment node store blob garbage collection"));
    }
    // Expose an MBean for backup/restore operations
    closeables.add(registrations.registerMBean(FileStoreBackupRestoreMBean.class, new FileStoreBackupRestoreImpl(segmentNodeStore, store.getRevisions(), store.getReader(), configuration.getBackupDirectory(), executor), FileStoreBackupRestoreMBean.TYPE, "Segment node store backup/restore"));
    // Expose statistics about the SegmentNodeStore
    closeables.add(registrations.registerMBean(SegmentNodeStoreStatsMBean.class, segmentNodeStore.getStats(), SegmentNodeStoreStatsMBean.TYPE, "SegmentNodeStore statistics"));
    if (configuration.isPrimarySegmentStore()) {
        log.info("Primary SegmentNodeStore initialized");
    } else {
        log.info("Secondary SegmentNodeStore initialized, role={}", role);
    }
    // Register a factory service to expose the FileStore
    closeables.add(registrations.register(SegmentStoreProvider.class, new DefaultSegmentStoreProvider(store)));
    if (configuration.isStandbyInstance()) {
        return segmentNodeStore;
    }
    if (configuration.isPrimarySegmentStore()) {
        Map<String, Object> props = new HashMap<String, Object>();
        props.put(Constants.SERVICE_PID, SegmentNodeStore.class.getName());
        props.put("oak.nodestore.description", new String[] { "nodeStoreType=segment" });
        closeables.add(registrations.register(NodeStore.class, segmentNodeStore, props));
    }
    return segmentNodeStore;
}