jerrypeng commented on a change in pull request #9275:
URL: https://github.com/apache/pulsar/pull/9275#discussion_r563441114
##########
File path:
pulsar-functions/worker/src/main/java/org/apache/pulsar/functions/worker/WorkerUtils.java
##########
@@ -343,4 +349,47 @@ public static boolean
isFunctionCodeBuiltin(Function.FunctionDetailsOrBuilder fu
.startMessageId(startMessageId)
.create();
}
+
+ public static Producer<byte[]>
createExclusiveProducerWithRetry(PulsarClient client,
+ String
topic,
+ String
producerName) {
+ Actions.Action createProducerAction = Actions.Action.builder()
+ .actionName(String.format("Creating exclusive producer for
topic %s", topic))
+ .numRetries(5)
+ .sleepBetweenInvocationsMs(10000)
+ .supplier(() -> {
+ try {
+ Producer<byte[]> producer =
client.newProducer().topic(topic)
+ .accessMode(ProducerAccessMode.Exclusive)
Review comment:
I don't think it is a good idea for "liveness" is we block forever which
may cause deadlocks. While blocking, the worker might be not even be the
leader anymore. I think we should keep retrying and periodically check if we
are still the leader.
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