StefanRRichter commented on a change in pull request #7665: [FLINK-11551][rpc]
Allow RpcEndpoint to execute asynchronous stop operations
URL: https://github.com/apache/flink/pull/7665#discussion_r255890552
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/rpc/akka/AkkaRpcService.java
##########
@@ -315,33 +315,48 @@ public void stopServer(RpcServer selfGateway) {
}
if (rpcEndpoint != null) {
-
akkaClient.getActorRef().tell(PoisonPill.getInstance(), ActorRef.noSender());
+ terminateAkkaRpcActor(akkaClient.getActorRef(),
rpcEndpoint);
} else {
LOG.debug("RPC endpoint {} already stopped or
from different RPC service", selfGateway.getAddress());
}
}
}
+ private CompletableFuture<Void> terminateAkkaRpcActor(ActorRef
akkaRpcActorRef, RpcEndpoint rpcEndpoint) {
+ akkaRpcActorRef.tell(ControlMessages.TERMINATE,
ActorRef.noSender());
+
+ return rpcEndpoint.getTerminationFuture();
+ }
+
@Override
public CompletableFuture<Void> stopService() {
+ LOG.info("Stopping Akka RPC service.");
Review comment:
Depending on what you want to see from this message, it could be more
precise to move the logging under the if `if` statement that starts in 338.
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