dongeforever commented on code in PR #4553:
URL: https://github.com/apache/rocketmq/pull/4553#discussion_r914361479
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client/src/main/java/org/apache/rocketmq/client/impl/producer/DefaultMQProducerImpl.java:
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@@ -492,28 +492,33 @@ public void send(final Message msg, final SendCallback
sendCallback, final long
throws MQClientException, RemotingException, InterruptedException {
final long beginStartTime = System.currentTimeMillis();
ExecutorService executor = this.getAsyncSenderExecutor();
- try {
- executor.submit(new Runnable() {
- @Override
- public void run() {
- long costTime = System.currentTimeMillis() -
beginStartTime;
- if (timeout > costTime) {
- try {
- sendDefaultImpl(msg, CommunicationMode.ASYNC,
sendCallback, timeout - costTime);
- } catch (Exception e) {
- sendCallback.onException(e);
- }
- } else {
- sendCallback.onException(
- new RemotingTooMuchRequestException("DEFAULT ASYNC
send call timeout"));
+ Runnable runnable = new Runnable() {
+ @Override
+ public void run() {
+ long costTime = System.currentTimeMillis() - beginStartTime;
+ if (timeout > costTime) {
+ try {
+ sendDefaultImpl(msg, CommunicationMode.ASYNC,
sendCallback, timeout - costTime);
+ } catch (Exception e) {
+ sendCallback.onException(e);
}
+ } else {
+ sendCallback.onException(
+ new RemotingTooMuchRequestException("DEFAULT ASYNC
send call timeout"));
}
+ }
- });
- } catch (RejectedExecutionException e) {
- throw new MQClientException("executor rejected ", e);
- }
+ };
+ if (this.defaultMQProducer.isEnableBackpressureForAsyncMode() &&
this.asyncSenderExecutor == null) {
+ runnable.run();
Review Comment:
Why need to check if the asyncSenderExecutor is null here?
If backpressure is enabled, it should keep semantic.
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