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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2021/01/08 17:06:31 UTC

[GitHub] [pulsar] klevy-toast commented on issue #9141: Message redelivery delay with exponential back-off

klevy-toast commented on issue #9141:
URL: https://github.com/apache/pulsar/issues/9141#issuecomment-756880001


   Thanks @sijie -- I had not seen the retry-letter-topic. I am having a little trouble picture how it could be utilized for exponential back-off -- would I want to configure the consumer to have a single immediate, retry, and then the retry topic to have a higher delay? How would that delay be configured?
   
   The PIP-58 proposal looks more similar to what I am imagining, without the use of additional topic. It would be even nicer to have pre-configured retry "strategies" (I believe that the AWS Java SDK has this concept), but a `reconsumeLater` would probably be enough to manually implement the back-off logic.


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