summaryzb commented on code in PR #67:
URL: https://github.com/apache/incubator-uniffle/pull/67#discussion_r940163020
##########
client-spark/common/src/main/java/org/apache/spark/shuffle/writer/WriteBufferManager.java:
##########
@@ -117,29 +117,16 @@ public List<ShuffleBlockInfo> addRecord(int partitionId,
Object key, Object valu
return null;
}
List<ShuffleBlockInfo> result = Lists.newArrayList();
- if (buffers.containsKey(partitionId)) {
- WriterBuffer wb = buffers.get(partitionId);
- if (wb.askForMemory(serializedDataLength)) {
- if (serializedDataLength > bufferSegmentSize) {
- requestMemory(serializedDataLength);
- } else {
- requestMemory(bufferSegmentSize);
- }
- }
- wb.addRecord(serializedData, serializedDataLength);
- if (wb.getMemoryUsed() > bufferSize) {
- result.add(createShuffleBlock(partitionId, wb));
- copyTime += wb.getCopyTime();
- buffers.remove(partitionId);
- LOG.debug("Single buffer is full for shuffleId[" + shuffleId
- + "] partition[" + partitionId + "] with memoryUsed[" +
wb.getMemoryUsed()
- + "], dataLength[" + wb.getDataLength() + "]");
- }
- } else {
- requestMemory(bufferSegmentSize);
- WriterBuffer wb = new WriterBuffer(bufferSegmentSize);
- wb.addRecord(serializedData, serializedDataLength);
Review Comment:
it's almost the same as my implementation, however if we use
`serializedDataLength` as the construct parameter of `WriterBuffer`, the
following record added to this partition will compare length with the first
record `serializedDataLength`, that's not a elegant way
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