[GitHub] [pulsar] devinbost commented on issue #6448: Support Consumers Set Custom Retry Delay

[GitBox <gi...@apache.org>]

devinbost commented on issue #6448:
URL: https://github.com/apache/pulsar/issues/6448#issuecomment-696321076


   Hi @liudezhi2098 , thanks for your work on this. I'm trying to understand how I'd advise users regarding how to implement this feature. 
   The docs provide this example:
   
   https://pulsar.apache.org/docs/en/concepts-messaging/#retry-letter-topic
   
   Consumer<byte[]> consumer = pulsarClient.newConsumer(Schema.BYTES)
                   .topic(topic)
                   .subscriptionName("my-subscription")
                   .subscriptionType(SubscriptionType.Shared)
                   .enableRetry(true)
                   .receiverQueueSize(100)
                   .deadLetterPolicy(DeadLetterPolicy.builder()
                           .maxRedeliverCount(maxRedeliveryCount)
                           .retryLetterTopic("persistent://my-property/my-ns/my-subscription-custom-Retry")
                           .build())
                   .subscriptionInitialPosition(SubscriptionInitialPosition.Earliest)
                   .subscribe();
   
   However, it's not clear where they'd set the delay between retries. Could you please clarify this? 
   


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