Github user pnowojski commented on a diff in the pull request: https://github.com/apache/flink/pull/5105#discussion_r157172734 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/LocalBufferPool.java --- @@ -179,7 +179,8 @@ public void setBufferPoolOwner(BufferPoolOwner owner) { @Override public Buffer requestBuffer() throws IOException { try { - return requestBuffer(false); + BufferBuilder bufferBuilder = requestBufferBuilder(false); + return bufferBuilder != null ? bufferBuilder.build() : null; --- End diff -- Nope, size is always set manually in remaining calls. Yes I know, but it took me almost a week to adapt tests so far for this `BufferBuilder` (and `requestBuffer` is mocked ~60 times...). Can we postpone finishing this refactor for a later time?
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