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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2021/02/24 20:38:36 UTC

[GitHub] [pulsar] MarvinCai commented on a change in pull request #9681: [Doc]Update document to indicating effect of negative acking message for order sube type like exclusive, failover and key_shared.

MarvinCai commented on a change in pull request #9681:
URL: https://github.com/apache/pulsar/pull/9681#discussion_r582286066



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File path: site2/docs/concepts-messaging.md
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@@ -128,6 +128,8 @@ In the exclusive and failover subscription modes, consumers only negatively ackn
 
 In the shared and Key_Shared subscription modes, you can negatively acknowledge messages individually.
 
+Be aware that doing negative ack on ordered subscription type like Exclusive, Failover and Key_Share can cause failed messages arrive consumer out of original order.

Review comment:
       fixed.




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