Examples with DefaultPageCacheTracer org.neo4j.io.pagecache.tracing.DefaultPageCacheTracer used on opensource projects

Example 66 with DefaultPageCacheTracer

use of org.neo4j.io.pagecache.tracing.DefaultPageCacheTracer in project neo4j by neo4j.

the class RecordStoreVersionCheckTest method tracePageCacheAccessOnConstruction.

@Test
void tracePageCacheAccessOnConstruction() throws IOException {
    var pageCacheTracer = new DefaultPageCacheTracer();
    Path neoStore = emptyFile(fileSystem);
    String storeVersion = "V1";
    long v1 = MetaDataStore.versionStringToLong(storeVersion);
    MetaDataStore.setRecord(pageCache, neoStore, MetaDataStore.Position.STORE_VERSION, v1, databaseLayout.getDatabaseName(), NULL);
    assertNotNull(newStoreVersionCheck(pageCacheTracer));
    assertThat(pageCacheTracer.pins()).isOne();
    assertThat(pageCacheTracer.unpins()).isOne();
    assertThat(pageCacheTracer.faults()).isOne();
}

Example 67 with DefaultPageCacheTracer

use of org.neo4j.io.pagecache.tracing.DefaultPageCacheTracer in project neo4j by neo4j.

the class StoreUpgraderInterruptionTestIT method tracePageCacheAccessOnIdStoreUpgrade.

@Test
public void tracePageCacheAccessOnIdStoreUpgrade() throws IOException, ConsistencyCheckIncompleteException {
    MigrationTestUtils.prepareSampleLegacyDatabase(version, fs, workingDatabaseLayout.databaseDirectory(), prepareDirectory);
    RecordStoreVersionCheck versionCheck = new RecordStoreVersionCheck(fs, pageCache, workingDatabaseLayout, NullLogProvider.getInstance(), Config.defaults(), NULL);
    MigrationProgressMonitor progressMonitor = MigrationProgressMonitor.SILENT;
    LogService logService = NullLogService.getInstance();
    var idMigratorTracer = new DefaultPageCacheTracer();
    var recordMigratorTracer = new DefaultPageCacheTracer();
    IdGeneratorMigrator idMigrator = new IdGeneratorMigrator(fs, pageCache, CONFIG, idMigratorTracer);
    assertTrue(checkNeoStoreHasFormatVersion(versionCheck, baselineFormat));
    var migrator = new RecordStorageMigrator(fs, pageCache, CONFIG, logService, jobScheduler, recordMigratorTracer, batchImporterFactory, INSTANCE);
    newUpgrader(versionCheck, progressMonitor, createIndexMigrator(), migrator, idMigrator).migrateIfNeeded(workingDatabaseLayout, false);
    assertTrue(checkNeoStoreHasFormatVersion(versionCheck, successorFormat));
    startStopDatabase(neo4jLayout.homeDirectory());
    assertConsistentStore(workingDatabaseLayout);
    assertEquals(43, idMigratorTracer.faults());
    assertEquals(83, idMigratorTracer.hits());
    assertEquals(126, idMigratorTracer.pins());
    assertEquals(126, idMigratorTracer.unpins());
    assertEquals(61, recordMigratorTracer.faults());
    assertEquals(228, recordMigratorTracer.hits());
    assertEquals(289, recordMigratorTracer.pins());
    assertEquals(289, recordMigratorTracer.unpins());
}

Example 68 with DefaultPageCacheTracer

use of org.neo4j.io.pagecache.tracing.DefaultPageCacheTracer in project neo4j by neo4j.

the class RelationshipCheckerIT method setUp.

@BeforeEach
void setUp() throws Exception {
    pageCacheTracer = new DefaultPageCacheTracer();
    var label = label("any");
    var type = withName("type");
    var propertyName = "property";
    try (var tx = database.beginTx()) {
        var start = tx.createNode(label);
        var end = tx.createNode();
        var rel = start.createRelationshipTo(end, type);
        rel.setProperty(propertyName, "value");
        relationshipId = rel.getId();
        tx.commit();
    }
    try (var tx = database.beginTx()) {
        tx.schema().indexFor(type).on(propertyName).withName(INDEX_NAME).withIndexType(IndexType.FULLTEXT).create();
        tx.commit();
    }
    try (var transaction = database.beginTx()) {
        transaction.schema().awaitIndexesOnline(10, MINUTES);
    }
    prepareContext();
}

Example 69 with DefaultPageCacheTracer

use of org.neo4j.io.pagecache.tracing.DefaultPageCacheTracer in project neo4j by neo4j.

the class NeoStoresTest method tracePageCacheAccessOnTransactionCommittedCall.

@Test
void tracePageCacheAccessOnTransactionCommittedCall() {
    StoreFactory factory = getStoreFactory(Config.defaults(), databaseLayout, fs, LOG_PROVIDER);
    try (NeoStores neoStore = factory.openAllNeoStores(true)) {
        MetaDataStore store = neoStore.getMetaDataStore();
        var cacheTracer = new DefaultPageCacheTracer();
        var cursorContext = new CursorContext(cacheTracer.createPageCursorTracer("tracePageCacheAccessOnTransactionCommittedCall"));
        store.transactionCommitted(42, 6666, BASE_TX_COMMIT_TIMESTAMP, cursorContext);
        PageCursorTracer cursorTracer = cursorContext.getCursorTracer();
        assertEquals(1, cursorTracer.pins());
        assertEquals(1, cursorTracer.hits());
        assertEquals(1, cursorTracer.unpins());
    }
}

Example 70 with DefaultPageCacheTracer

use of org.neo4j.io.pagecache.tracing.DefaultPageCacheTracer in project neo4j by neo4j.

the class NeoStoresIT method tracePageCacheAccessOnTokenReads.

@Test
void tracePageCacheAccessOnTokenReads() {
    var storageEngine = db.getDependencyResolver().resolveDependency(RecordStorageEngine.class);
    var neoStores = storageEngine.testAccessNeoStores();
    var propertyKeys = neoStores.getPropertyKeyTokenStore();
    try (Transaction transaction = db.beginTx()) {
        var node = transaction.createNode();
        node.setProperty("a", "b");
        transaction.commit();
    }
    var cursorContext = new CursorContext(new DefaultPageCacheTracer().createPageCursorTracer("tracePageCacheAccessOnTokenReads"));
    propertyKeys.getAllReadableTokens(cursorContext);
    PageCursorTracer cursorTracer = cursorContext.getCursorTracer();
    assertEquals(22, cursorTracer.hits());
    assertEquals(22, cursorTracer.pins());
    assertEquals(22, cursorTracer.unpins());
}