reswqa commented on code in PR #20216:
URL: https://github.com/apache/flink/pull/20216#discussion_r933466874
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flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/BufferCompressor.java:
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@@ -107,15 +107,28 @@ private int compress(Buffer buffer) {
"Illegal reference count, buffer need to be released.");
try {
+ int compressedLen;
int length = buffer.getSize();
- // compress the given buffer into the internal heap buffer
- int compressedLen =
- blockCompressor.compress(
- buffer.getNioBuffer(0, length),
- 0,
- length,
- internalBuffer.getNioBuffer(0,
internalBuffer.capacity()),
- 0);
+ // if buffer is in-heap, manipulate the underlying array directly.
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