public BypassMergeSortShuffleWriter(
SparkConf conf,
BlockManager blockManager,
Partitioner partitioner,
ShuffleWriteMetrics writeMetrics,
Serializer serializer) {
// Use getSizeAsKb (not bytes) to maintain backwards compatibility if no units are provided
this.fileBufferSize = (int) conf.getSizeAsKb("spark.shuffle.file.buffer", "32k") * 1024;
this.transferToEnabled = conf.getBoolean("spark.file.transferTo", true);
this.numPartitions = partitioner.numPartitions();
this.blockManager = blockManager;
this.partitioner = partitioner;
this.writeMetrics = writeMetrics;
this.serializer = serializer;
}
public UnsafeExternalSorter(
TaskMemoryManager memoryManager,
ShuffleMemoryManager shuffleMemoryManager,
BlockManager blockManager,
TaskContext taskContext,
RecordComparator recordComparator,
PrefixComparator prefixComparator,
int initialSize,
SparkConf conf)
throws IOException {
this.memoryManager = memoryManager;
this.shuffleMemoryManager = shuffleMemoryManager;
this.blockManager = blockManager;
this.taskContext = taskContext;
this.recordComparator = recordComparator;
this.prefixComparator = prefixComparator;
this.initialSize = initialSize;
// Use getSizeAsKb (not bytes) to maintain backwards compatibility for units
this.fileBufferSizeBytes = (int) conf.getSizeAsKb("spark.shuffle.file.buffer", "32k") * 1024;
initializeForWriting();
}