Examples with DeltaInputReader org.apache.hudi.integ.testsuite.reader.DeltaInputReader used on opensource projects

Example 1 with DeltaInputReader

use of org.apache.hudi.integ.testsuite.reader.DeltaInputReader in project hudi by apache.

the class DeltaGenerator method generateDeletes.

public JavaRDD<GenericRecord> generateDeletes(Config config) throws IOException {
    if (deltaOutputConfig.getDeltaOutputMode() == DeltaOutputMode.DFS) {
        DeltaInputReader deltaInputReader = null;
        JavaRDD<GenericRecord> adjustedRDD = null;
        if (config.getNumDeletePartitions() < 1) {
            // randomly generate deletes for a given number of records without regard to partitions and files
            deltaInputReader = new DFSAvroDeltaInputReader(sparkSession, schemaStr, ((DFSDeltaConfig) deltaOutputConfig).getDeltaBasePath(), Option.empty(), Option.empty());
            adjustedRDD = deltaInputReader.read(config.getNumRecordsDelete());
            adjustedRDD = adjustRDDToGenerateExactNumUpdates(adjustedRDD, jsc, config.getNumRecordsDelete());
        } else {
            deltaInputReader = new DFSHoodieDatasetInputReader(jsc, ((DFSDeltaConfig) deltaOutputConfig).getDatasetOutputPath(), schemaStr);
            if (config.getFractionUpsertPerFile() > 0) {
                adjustedRDD = deltaInputReader.read(config.getNumDeletePartitions(), config.getNumUpsertFiles(), config.getFractionUpsertPerFile());
            } else {
                adjustedRDD = deltaInputReader.read(config.getNumDeletePartitions(), config.getNumUpsertFiles(), config.getNumRecordsDelete());
            }
        }
        log.info("Repartitioning records for delete");
        // persist this since we will make multiple passes over this
        adjustedRDD = adjustedRDD.repartition(jsc.defaultParallelism());
        Converter converter = new DeleteConverter(schemaStr, config.getRecordSize());
        JavaRDD<GenericRecord> convertedRecords = converter.convert(adjustedRDD);
        JavaRDD<GenericRecord> deletes = convertedRecords.map(record -> {
            record.put(SchemaUtils.SOURCE_ORDERING_FIELD, batchId);
            return record;
        });
        deletes.persist(StorageLevel.DISK_ONLY());
        return deletes;
    } else {
        throw new IllegalArgumentException("Other formats are not supported at the moment");
    }
}

Example 2 with DeltaInputReader

use of org.apache.hudi.integ.testsuite.reader.DeltaInputReader in project hudi by apache.

the class DeltaGenerator method generateUpdates.

public JavaRDD<GenericRecord> generateUpdates(Config config) throws IOException {
    if (deltaOutputConfig.getDeltaOutputMode() == DeltaOutputMode.DFS) {
        JavaRDD<GenericRecord> inserts = null;
        if (config.getNumRecordsInsert() > 0) {
            inserts = generateInserts(config);
        }
        DeltaInputReader deltaInputReader = null;
        JavaRDD<GenericRecord> adjustedRDD = null;
        if (config.getNumUpsertPartitions() != 0) {
            if (config.getNumUpsertPartitions() < 0) {
                // randomly generate updates for a given number of records without regard to partitions and files
                deltaInputReader = new DFSAvroDeltaInputReader(sparkSession, schemaStr, ((DFSDeltaConfig) deltaOutputConfig).getDeltaBasePath(), Option.empty(), Option.empty());
                adjustedRDD = deltaInputReader.read(config.getNumRecordsUpsert());
                adjustedRDD = adjustRDDToGenerateExactNumUpdates(adjustedRDD, jsc, config.getNumRecordsUpsert());
            } else {
                deltaInputReader = new DFSHoodieDatasetInputReader(jsc, ((DFSDeltaConfig) deltaOutputConfig).getDatasetOutputPath(), schemaStr);
                if (config.getFractionUpsertPerFile() > 0) {
                    adjustedRDD = deltaInputReader.read(config.getNumUpsertPartitions(), config.getNumUpsertFiles(), config.getFractionUpsertPerFile());
                } else {
                    adjustedRDD = deltaInputReader.read(config.getNumUpsertPartitions(), config.getNumUpsertFiles(), config.getNumRecordsUpsert());
                }
            }
            // persist this since we will make multiple passes over this
            int numPartition = Math.min(deltaOutputConfig.getInputParallelism(), Math.max(1, config.getNumUpsertPartitions()));
            log.info("Repartitioning records into " + numPartition + " partitions for updates");
            adjustedRDD = adjustedRDD.repartition(numPartition);
            log.info("Repartitioning records done for updates");
            UpdateConverter converter = new UpdateConverter(schemaStr, config.getRecordSize(), partitionPathFieldNames, recordRowKeyFieldNames);
            JavaRDD<GenericRecord> convertedRecords = converter.convert(adjustedRDD);
            JavaRDD<GenericRecord> updates = convertedRecords.map(record -> {
                record.put(SchemaUtils.SOURCE_ORDERING_FIELD, batchId);
                return record;
            });
            updates.persist(StorageLevel.DISK_ONLY());
            if (inserts == null) {
                inserts = updates;
            } else {
                inserts = inserts.union(updates);
            }
        }
        return inserts;
    // TODO : Generate updates for only N partitions.
    } else {
        throw new IllegalArgumentException("Other formats are not supported at the moment");
    }
}