panzhi33 commented on a change in pull request #3639:
URL: https://github.com/apache/rocketmq/pull/3639#discussion_r768289937
##########
File path:
client/src/main/java/org/apache/rocketmq/client/producer/RequestFutureHolder.java
##########
@@ -74,14 +69,39 @@ public void scanExpiredRequest() {
}
}
- private RequestFutureHolder() {
+ public synchronized void startScheduledTask() {
+ if (this.producerNum.incrementAndGet() == 1) {
+ this.getScheduledExecutorService().scheduleAtFixedRate(new
Runnable() {
+ @Override
+ public void run() {
+ try {
+ RequestFutureHolder.getInstance().scanExpiredRequest();
+ } catch (Throwable e) {
+ log.error("scan RequestFutureTable exception", e);
+ }
+ }
+ }, 1000 * 3, 1000, TimeUnit.MILLISECONDS);
+ }
+ }
+
+ public synchronized void shutdown() {
+ if (this.producerNum.decrementAndGet() == 0) {
+ this.getScheduledExecutorService().shutdown();
Review comment:
ok
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