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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2021/02/24 17:17:23 UTC

[GitHub] [pulsar] MarvinCai commented on issue #9582: Disable message negative ack for Key_Shared subscription type.

MarvinCai commented on issue #9582:
URL: https://github.com/apache/pulsar/issues/9582#issuecomment-785234750


   @MonicaMagoniCom Hi, please see the discussion in this pr: https://github.com/apache/pulsar/pull/9583
   I think we decided to still keep the ability for Key_Shared to do negative acknowledge since it's not all about ordering, e.g. guarantee message of same key go to same consumer, instead we added document to warn user that doing negative ack on order subscription type(exclusive, failover, key_shared) can cause message arrives out of original order.


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