codelipenghui commented on a change in pull request #6684:
URL: https://github.com/apache/pulsar/pull/6684#discussion_r421228911
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File path:
pulsar-functions/instance/src/main/java/org/apache/pulsar/functions/instance/JavaInstance.java
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@@ -40,9 +45,18 @@
private Function function;
private java.util.function.Function javaUtilFunction;
- public JavaInstance(ContextImpl contextImpl, Object userClassObject) {
+ // for Async function max out standing items
+ private final InstanceConfig instanceConfig;
+ private final Executor executor;
+ @Getter
+ private final LinkedBlockingQueue<CompletableFuture<Void>>
pendingAsyncRequests;
+
+ public JavaInstance(ContextImpl contextImpl, Object userClassObject,
InstanceConfig instanceConfig) {
this.context = contextImpl;
+ this.instanceConfig = instanceConfig;
+ this.executor = Executors.newSingleThreadExecutor();
+ this.pendingAsyncRequests = new
LinkedBlockingQueue<>(this.instanceConfig.getMaxPendingAsyncRequests());
Review comment:
Looks the blocking queue can be simplified by a semaphore
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