Examples with BatchSettings com.datastax.oss.dsbulk.workflow.commons.settings.BatchSettings used on opensource projects

Example 1 with BatchSettings

use of com.datastax.oss.dsbulk.workflow.commons.settings.BatchSettings in project dsbulk by datastax.

the class LoadWorkflow method init.

@Override
public void init() throws Exception {
    settingsManager.init("LOAD", true, SchemaGenerationStrategy.MAP_AND_WRITE);
    executionId = settingsManager.getExecutionId();
    LogSettings logSettings = settingsManager.getLogSettings();
    logSettings.init();
    ConnectorSettings connectorSettings = settingsManager.getConnectorSettings();
    connectorSettings.init(logSettings.isSources());
    connector = connectorSettings.getConnector();
    connector.init();
    DriverSettings driverSettings = settingsManager.getDriverSettings();
    SchemaSettings schemaSettings = settingsManager.getSchemaSettings();
    BatchSettings batchSettings = settingsManager.getBatchSettings();
    ExecutorSettings executorSettings = settingsManager.getExecutorSettings();
    CodecSettings codecSettings = settingsManager.getCodecSettings();
    MonitoringSettings monitoringSettings = settingsManager.getMonitoringSettings();
    engineSettings = settingsManager.getEngineSettings();
    driverSettings.init(true);
    logSettings.logEffectiveSettings(settingsManager.getEffectiveBulkLoaderConfig(), driverSettings.getDriverConfig());
    monitoringSettings.init();
    codecSettings.init();
    executorSettings.init();
    engineSettings.init();
    ConvertingCodecFactory codecFactory = codecSettings.createCodecFactory(schemaSettings.isAllowExtraFields(), schemaSettings.isAllowMissingFields());
    session = driverSettings.newSession(executionId, codecFactory.getCodecRegistry(), monitoringSettings.getRegistry());
    ClusterInformationUtils.printDebugInfoAboutCluster(session);
    schemaSettings.init(session, codecFactory, connector.supports(CommonConnectorFeature.INDEXED_RECORDS), connector.supports(CommonConnectorFeature.MAPPED_RECORDS));
    logManager = logSettings.newLogManager(session, true);
    logManager.init();
    batchSettings.init();
    batchingEnabled = batchSettings.isBatchingEnabled();
    batchBufferSize = batchSettings.getBufferSize();
    RecordMapper recordMapper;
    try {
        recordMapper = schemaSettings.createRecordMapper(session, connector.getRecordMetadata(), batchingEnabled);
    } catch (NestedBatchException e) {
        LOGGER.warn(e.getMessage());
        batchingEnabled = false;
        recordMapper = schemaSettings.createRecordMapper(session, connector.getRecordMetadata(), false);
    }
    mapper = recordMapper::map;
    if (batchingEnabled) {
        batcher = batchSettings.newStatementBatcher(session)::batchByGroupingKey;
    }
    metricsManager = monitoringSettings.newMetricsManager(true, batchingEnabled, logManager.getOperationDirectory(), logSettings.getVerbosity(), session.getContext().getProtocolVersion(), session.getContext().getCodecRegistry(), schemaSettings.getRowType());
    metricsManager.init();
    executor = executorSettings.newWriteExecutor(session, metricsManager.getExecutionListener());
    dryRun = engineSettings.isDryRun();
    if (dryRun) {
        LOGGER.info("Dry-run mode enabled.");
    }
    closed.set(false);
    totalItemsMonitor = metricsManager.newTotalItemsMonitor();
    failedRecordsMonitor = metricsManager.newFailedItemsMonitor();
    failedStatementsMonitor = metricsManager.newFailedItemsMonitor();
    batcherMonitor = metricsManager.newBatcherMonitor();
    totalItemsCounter = logManager.newTotalItemsCounter();
    failedRecordsHandler = logManager.newFailedRecordsHandler();
    unmappableStatementsHandler = logManager.newUnmappableStatementsHandler();
    queryWarningsHandler = logManager.newQueryWarningsHandler();
    failedWritesHandler = logManager.newFailedWritesHandler();
    resultPositionsHndler = logManager.newResultPositionsHandler();
    terminationHandler = logManager.newTerminationHandler();
    numCores = Runtime.getRuntime().availableProcessors();
    if (connector.readConcurrency() < 1) {
        throw new IllegalArgumentException("Invalid read concurrency: " + connector.readConcurrency());
    }
    readConcurrency = connector.readConcurrency();
    hasManyReaders = readConcurrency >= Math.max(4, numCores / 4);
    LOGGER.debug("Using read concurrency: {}", readConcurrency);
    writeConcurrency = engineSettings.getMaxConcurrentQueries().orElseGet(this::determineWriteConcurrency);
    LOGGER.debug("Using write concurrency: {} (user-supplied: {})", writeConcurrency, engineSettings.getMaxConcurrentQueries().isPresent());
}