Examples with CountsTracker org.neo4j.kernel.impl.store.counts.CountsTracker used on opensource projects

Example 6 with CountsTracker

use of org.neo4j.kernel.impl.store.counts.CountsTracker in project neo4j by neo4j.

the class FullCheck method execute.

ConsistencySummaryStatistics execute(DirectStoreAccess stores, Log log, Monitor reportMonitor) throws ConsistencyCheckIncompleteException {
    ConsistencySummaryStatistics summary = new ConsistencySummaryStatistics();
    InconsistencyReport report = new InconsistencyReport(new InconsistencyMessageLogger(log), summary);
    OwnerCheck ownerCheck = new OwnerCheck(checkPropertyOwners);
    CountsBuilderDecorator countsBuilder = new CountsBuilderDecorator(stores.nativeStores());
    CheckDecorator decorator = new CheckDecorator.ChainCheckDecorator(ownerCheck, countsBuilder);
    CacheAccess cacheAccess = new DefaultCacheAccess(statistics.getCounts(), threads);
    RecordAccess records = recordAccess(stores.nativeStores(), cacheAccess);
    execute(stores, decorator, records, report, cacheAccess, reportMonitor);
    ownerCheck.scanForOrphanChains(progressFactory);
    if (checkGraph) {
        CountsAccessor countsAccessor = stores.nativeStores().getCounts();
        if (countsAccessor instanceof CountsTracker) {
            CountsTracker tracker = (CountsTracker) countsAccessor;
            try {
                tracker.start();
            } catch (Exception e) {
            // let's hope it was already started :)
            }
        }
        countsBuilder.checkCounts(countsAccessor, new ConsistencyReporter(records, report), progressFactory);
    }
    if (!summary.isConsistent()) {
        log.warn("Inconsistencies found: " + summary);
    }
    return summary;
}

Example 7 with CountsTracker

use of org.neo4j.kernel.impl.store.counts.CountsTracker in project neo4j by neo4j.

the class CountsStoreTransactionApplierTest method shouldNotifyCacheAccessOnHowManyUpdatesOnCountsWeHadSoFar.

@Test
public void shouldNotifyCacheAccessOnHowManyUpdatesOnCountsWeHadSoFar() throws Exception {
    // GIVEN
    final CountsTracker tracker = mock(CountsTracker.class);
    final CountsAccessor.Updater updater = mock(CountsAccessor.Updater.class);
    when(tracker.apply(anyLong())).thenReturn(Optional.of(updater));
    final CountsStoreBatchTransactionApplier applier = new CountsStoreBatchTransactionApplier(tracker, TransactionApplicationMode.INTERNAL);
    // WHEN
    try (TransactionApplier txApplier = applier.startTx(new TransactionToApply(null, 2L))) {
        txApplier.visitNodeCountsCommand(new Command.NodeCountsCommand(ReadOperations.ANY_LABEL, 1));
    }
    // THEN
    verify(updater, times(1)).incrementNodeCount(ReadOperations.ANY_LABEL, 1);
}

Example 8 with CountsTracker

use of org.neo4j.kernel.impl.store.counts.CountsTracker in project neo4j by neo4j.

the class HACountsPropagationTest method shouldPropagateRelationshipCountsInHA.

@Test
public void shouldPropagateRelationshipCountsInHA() throws Throwable {
    ManagedCluster cluster = clusterRule.startCluster();
    HighlyAvailableGraphDatabase master = cluster.getMaster();
    try (Transaction tx = master.beginTx()) {
        Node left = master.createNode();
        Node right = master.createNode(Label.label("A"));
        left.createRelationshipTo(right, RelationshipType.withName("Type"));
        tx.success();
    }
    cluster.sync();
    for (HighlyAvailableGraphDatabase db : cluster.getAllMembers()) {
        CountsTracker counts = counts(db);
        assertEquals(1, counts.relationshipCount(-1, -1, -1, newDoubleLongRegister()).readSecond());
        assertEquals(1, counts.relationshipCount(-1, -1, 0, newDoubleLongRegister()).readSecond());
        assertEquals(1, counts.relationshipCount(-1, 0, -1, newDoubleLongRegister()).readSecond());
        assertEquals(1, counts.relationshipCount(-1, 0, 0, newDoubleLongRegister()).readSecond());
    }
}

Example 9 with CountsTracker

use of org.neo4j.kernel.impl.store.counts.CountsTracker in project neo4j by neo4j.

the class HACountsPropagationTest method shouldPropagateNodeCountsInHA.

@Test
public void shouldPropagateNodeCountsInHA() throws Throwable {
    ManagedCluster cluster = clusterRule.startCluster();
    HighlyAvailableGraphDatabase master = cluster.getMaster();
    try (Transaction tx = master.beginTx()) {
        master.createNode();
        master.createNode(Label.label("A"));
        tx.success();
    }
    cluster.sync();
    for (HighlyAvailableGraphDatabase db : cluster.getAllMembers()) {
        CountsTracker counts = counts(db);
        assertEquals(2, counts.nodeCount(-1, newDoubleLongRegister()).readSecond());
        assertEquals(1, counts.nodeCount(0, /* A */
        newDoubleLongRegister()).readSecond());
    }
}

Example 10 with CountsTracker

use of org.neo4j.kernel.impl.store.counts.CountsTracker in project neo4j by neo4j.

the class IndexSamplingIntegrationTest method fetchIndexSamplingValues.

private DoubleLongRegister fetchIndexSamplingValues(GraphDatabaseService db) throws IndexNotFoundKernelException {
    try {
        // Then
        db = new TestGraphDatabaseFactory().newEmbeddedDatabase(testDirectory.graphDbDir());
        @SuppressWarnings("deprecation") GraphDatabaseAPI api = (GraphDatabaseAPI) db;
        CountsTracker countsTracker = api.getDependencyResolver().resolveDependency(RecordStorageEngine.class).testAccessNeoStores().getCounts();
        IndexSampleKey key = CountsKeyFactory.indexSampleKey(indexId(api));
        return countsTracker.get(key, Registers.newDoubleLongRegister());
    } finally {
        if (db != null) {
            db.shutdown();
        }
    }
}