pan3793 commented on code in PR #2815:
URL: https://github.com/apache/celeborn/pull/2815#discussion_r1804623101
##########
worker/src/main/java/org/apache/celeborn/service/deploy/worker/memory/ReadBufferDispatcher.java:
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@@ -132,4 +106,70 @@ public void close() {
stopFlag = true;
requests.clear();
}
+
+ private class DispatcherRunnable implements Runnable {
+ private final MemoryManager memoryManager;
+
+ public DispatcherRunnable(MemoryManager memoryManager) {
+ this.memoryManager = memoryManager;
+ }
+
+ @Override
+ public void run() {
+ while (!stopFlag) {
+ try {
+ ReadBufferRequest request = null;
+ request = requests.poll(1000, TimeUnit.MILLISECONDS);
+ List<ByteBuf> buffers = null;
+ try {
+ if (request != null) {
+ long start = System.nanoTime();
+ int bufferSize = request.getBufferSize();
+ buffers = new ArrayList<>();
+ while (buffers.size() < request.getNumber()) {
+ if (memoryManager.readBufferAvailable(bufferSize)) {
+ ByteBuf buf = readBufferAllocator.buffer(bufferSize,
bufferSize);
+ buffers.add(buf);
+ memoryManager.changeReadBufferCounter(bufferSize);
+ allocatedReadBuffers.increment();
+ } else {
+ try {
+ // If dispatcher can not allocate requested buffers, it
will wait here until
+ // necessary
+ // buffers are get.
Review Comment:
nit: merge into previous line
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