Examples with DataGenerator com.linkedin.pinot.tools.data.generator.DataGenerator used on opensource projects

Example 1 with DataGenerator

use of com.linkedin.pinot.tools.data.generator.DataGenerator in project pinot by linkedin.

the class FileBasedSentineTest method setup.

@BeforeClass
public void setup() throws Exception {
    url = new URL("http://localhost:" + FileBasedServerBrokerStarters.BROKER_CLIENT_PORT + "/query");
    // lets generate data
    final String[] columns = { "dimention1", "dimention2", "dimention3", "dimention4", "metric1", "daysSinceEpoch" };
    final Map<String, DataType> dataTypes = new HashMap<String, FieldSpec.DataType>();
    final Map<String, FieldType> fieldTypes = new HashMap<String, FieldType>();
    final Map<String, TimeUnit> timeUnits = new HashMap<String, TimeUnit>();
    final Map<String, Integer> cardinality = new HashMap<String, Integer>();
    // Crate empty range map as the signature of DataGeneratorSpec has changed, and this test does not
    // use metric/time as fieldType.
    final Map<String, IntRange> range = new HashMap<String, IntRange>();
    for (final String col : columns) {
        if (col.equals("dimention1")) {
            dataTypes.put(col, DataType.STRING);
            cardinality.put(col, 1000);
        } else {
            dataTypes.put(col, DataType.INT);
            cardinality.put(col, 1000);
        }
        fieldTypes.put(col, FieldType.DIMENSION);
    }
    if (avroDataDir.exists()) {
        FileUtils.deleteDirectory(avroDataDir);
    }
    final DataGeneratorSpec spec = new DataGeneratorSpec(Arrays.asList(columns), cardinality, range, dataTypes, fieldTypes, timeUnits, FileFormat.AVRO, avroDataDir.getAbsolutePath(), true);
    generator = new DataGenerator();
    generator.init(spec);
    generator.generate(100000L, 2);
    // lets make segments now
    final File bootstrapDir = new File(FileBasedServerBrokerStarters.SERVER_BOOTSTRAP_DIR);
    if (bootstrapDir.exists()) {
        FileUtils.deleteDirectory(bootstrapDir);
    }
    bootstrapDir.mkdir();
    int counter = 0;
    for (final File avro : avroDataDir.listFiles()) {
        for (final String table : FileBasedServerBrokerStarters.TABLE_NAMES) {
            final SegmentGeneratorConfig genConfig = SegmentTestUtils.getSegmentGenSpecWithSchemAndProjectedColumns(avro, new File(bootstrapDir, "segment-" + counter), "daysSinceEpoch", TimeUnit.DAYS, table);
            final SegmentIndexCreationDriver driver = SegmentCreationDriverFactory.get(null);
            driver.init(genConfig);
            driver.build();
            counter++;
        }
    }
    // lets start the server and the broker now
    starter = new FileBasedServerBrokerStarters();
    starter.startAll();
    // pick some values from here if you need to use it for running filter queries
    final JSONObject selectionRequestResponse = postQuery("select * from 'table1' limit 100", "http://localhost:" + FileBasedServerBrokerStarters.BROKER_CLIENT_PORT);
//    System.out.println(selectionRequestResponse.toString(1));
}

Example 2 with DataGenerator

use of com.linkedin.pinot.tools.data.generator.DataGenerator in project pinot by linkedin.

the class GenerateDataCommand method execute.

@Override
public boolean execute() throws Exception {
    LOGGER.info("Executing command: " + toString());
    if ((_numRecords < 0) || (_numFiles < 0)) {
        throw new RuntimeException("Cannot generate negative number of records/files.");
    }
    Schema schema = Schema.fromFile(new File(_schemaFile));
    List<String> columns = new LinkedList<String>();
    final HashMap<String, DataType> dataTypes = new HashMap<String, DataType>();
    final HashMap<String, FieldType> fieldTypes = new HashMap<String, FieldType>();
    final HashMap<String, TimeUnit> timeUnits = new HashMap<String, TimeUnit>();
    final HashMap<String, Integer> cardinality = new HashMap<String, Integer>();
    final HashMap<String, IntRange> range = new HashMap<String, IntRange>();
    buildCardinalityRangeMaps(_schemaAnnFile, cardinality, range);
    final DataGeneratorSpec spec = buildDataGeneratorSpec(schema, columns, dataTypes, fieldTypes, timeUnits, cardinality, range);
    final DataGenerator gen = new DataGenerator();
    gen.init(spec);
    gen.generate(_numRecords, _numFiles);
    return true;
}