Examples with LabelScanCheck org.neo4j.consistency.checking.labelscan.LabelScanCheck used on opensource projects

Example 1 with LabelScanCheck

use of org.neo4j.consistency.checking.labelscan.LabelScanCheck in project neo4j by neo4j.

the class ConsistencyCheckTasks method createTasksForFullCheck.

public List<ConsistencyCheckerTask> createTasksForFullCheck(boolean checkLabelScanStore, boolean checkIndexes, boolean checkGraph) {
    List<ConsistencyCheckerTask> tasks = new ArrayList<>();
    if (checkGraph) {
        MandatoryProperties mandatoryProperties = new MandatoryProperties(nativeStores);
        StoreProcessor processor = multiPass.processor(CheckStage.Stage1_NS_PropsLabels, PROPERTIES);
        tasks.add(create(CheckStage.Stage1_NS_PropsLabels.name(), nativeStores.getNodeStore(), processor, ROUND_ROBIN));
        //ReltionshipStore pass - check label counts using cached labels, check properties, skip nodes and relationships
        processor = multiPass.processor(CheckStage.Stage2_RS_Labels, LABELS);
        multiPass.reDecorateRelationship(processor, RelationshipRecordCheck.relationshipRecordCheckForwardPass());
        tasks.add(create(CheckStage.Stage2_RS_Labels.name(), nativeStores.getRelationshipStore(), processor, ROUND_ROBIN));
        //NodeStore pass - just cache nextRel and inUse
        tasks.add(new CacheTask.CacheNextRel(CheckStage.Stage3_NS_NextRel, cacheAccess, Scanner.scan(nativeStores.getNodeStore())));
        //RelationshipStore pass - check nodes inUse, FirstInFirst, FirstInSecond using cached info
        processor = multiPass.processor(CheckStage.Stage4_RS_NextRel, NODES);
        multiPass.reDecorateRelationship(processor, RelationshipRecordCheck.relationshipRecordCheckBackwardPass(new PropertyChain<>(mandatoryProperties.forRelationships(reporter))));
        tasks.add(create(CheckStage.Stage4_RS_NextRel.name(), nativeStores.getRelationshipStore(), processor, ROUND_ROBIN));
        //NodeStore pass - just cache nextRel and inUse
        multiPass.reDecorateNode(processor, NodeRecordCheck.toCheckNextRel(), true);
        multiPass.reDecorateNode(processor, NodeRecordCheck.toCheckNextRelationshipGroup(), false);
        tasks.add(new CacheTask.CheckNextRel(CheckStage.Stage5_Check_NextRel, cacheAccess, nativeStores, processor));
        // source chain
        //RelationshipStore pass - forward scan of source chain using the cache.
        processor = multiPass.processor(CheckStage.Stage6_RS_Forward, RELATIONSHIPS);
        multiPass.reDecorateRelationship(processor, RelationshipRecordCheck.relationshipRecordCheckSourceChain());
        tasks.add(create(CheckStage.Stage6_RS_Forward.name(), nativeStores.getRelationshipStore(), processor, QueueDistribution.RELATIONSHIPS));
        //RelationshipStore pass - reverse scan of source chain using the cache.
        processor = multiPass.processor(CheckStage.Stage7_RS_Backward, RELATIONSHIPS);
        multiPass.reDecorateRelationship(processor, RelationshipRecordCheck.relationshipRecordCheckSourceChain());
        tasks.add(create(CheckStage.Stage7_RS_Backward.name(), nativeStores.getRelationshipStore(), processor, QueueDistribution.RELATIONSHIPS));
        //relationshipGroup
        StoreProcessor relGrpProcessor = multiPass.processor(Stage.PARALLEL_FORWARD, RELATIONSHIP_GROUPS);
        tasks.add(create("RelationshipGroupStore-RelGrp", nativeStores.getRelationshipGroupStore(), relGrpProcessor, ROUND_ROBIN));
        PropertyReader propertyReader = new PropertyReader(nativeStores);
        tasks.add(recordScanner(CheckStage.Stage8_PS_Props.name(), new IterableStore<>(nativeStores.getNodeStore(), true), new PropertyAndNode2LabelIndexProcessor(reporter, checkIndexes ? indexes : null, propertyReader, cacheAccess, mandatoryProperties.forNodes(reporter)), CheckStage.Stage8_PS_Props, ROUND_ROBIN, new IterableStore<>(nativeStores.getPropertyStore(), true)));
        tasks.add(create("StringStore-Str", nativeStores.getStringStore(), multiPass.processor(Stage.SEQUENTIAL_FORWARD, STRINGS), ROUND_ROBIN));
        tasks.add(create("ArrayStore-Arrays", nativeStores.getArrayStore(), multiPass.processor(Stage.SEQUENTIAL_FORWARD, ARRAYS), ROUND_ROBIN));
    }
    // The schema store is verified in multiple passes that share state since it fits into memory
    // and we care about the consistency of back references (cf. SemanticCheck)
    // PASS 1: Dynamic record chains
    tasks.add(create("SchemaStore", nativeStores.getSchemaStore(), ROUND_ROBIN));
    // PASS 2: Rule integrity and obligation build up
    final SchemaRecordCheck schemaCheck = new SchemaRecordCheck(new SchemaStorage(nativeStores.getSchemaStore()));
    tasks.add(new SchemaStoreProcessorTask<>("SchemaStoreProcessor-check_rules", statistics, numberOfThreads, nativeStores.getSchemaStore(), nativeStores, "check_rules", schemaCheck, progress, cacheAccess, defaultProcessor, ROUND_ROBIN));
    // PASS 3: Obligation verification and semantic rule uniqueness
    tasks.add(new SchemaStoreProcessorTask<>("SchemaStoreProcessor-check_obligations", statistics, numberOfThreads, nativeStores.getSchemaStore(), nativeStores, "check_obligations", schemaCheck.forObligationChecking(), progress, cacheAccess, defaultProcessor, ROUND_ROBIN));
    if (checkGraph) {
        tasks.add(create("RelationshipTypeTokenStore", nativeStores.getRelationshipTypeTokenStore(), ROUND_ROBIN));
        tasks.add(create("PropertyKeyTokenStore", nativeStores.getPropertyKeyTokenStore(), ROUND_ROBIN));
        tasks.add(create("LabelTokenStore", nativeStores.getLabelTokenStore(), ROUND_ROBIN));
        tasks.add(create("RelationshipTypeNameStore", nativeStores.getRelationshipTypeNameStore(), ROUND_ROBIN));
        tasks.add(create("PropertyKeyNameStore", nativeStores.getPropertyKeyNameStore(), ROUND_ROBIN));
        tasks.add(create("LabelNameStore", nativeStores.getLabelNameStore(), ROUND_ROBIN));
        tasks.add(create("NodeDynamicLabelStore", nativeStores.getNodeDynamicLabelStore(), ROUND_ROBIN));
    }
    ConsistencyReporter filteredReporter = multiPass.reporter(NODES);
    if (checkLabelScanStore) {
        tasks.add(recordScanner("LabelScanStore", labelScanStore.allNodeLabelRanges(), new LabelScanDocumentProcessor(filteredReporter, new LabelScanCheck()), Stage.SEQUENTIAL_FORWARD, ROUND_ROBIN));
    }
    if (checkIndexes) {
        for (IndexRule indexRule : indexes.rules()) {
            tasks.add(recordScanner(format("Index_%d", indexRule.getId()), new IndexIterator(indexes.accessorFor(indexRule)), new IndexEntryProcessor(filteredReporter, new IndexCheck(indexRule)), Stage.SEQUENTIAL_FORWARD, ROUND_ROBIN));
        }
    }
    return tasks;
}