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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2021/09/29 07:28:12 UTC
[GitHub] [pulsar-client-go] Liberxue opened a new issue #628: please check Failed by consumer Ack Message ID
Liberxue opened a new issue #628:
URL: https://github.com/apache/pulsar-client-go/issues/628
https://github.com/apache/pulsar-client-go/blob/b0f328e358d45e822efac164b11dc493bbecfcaa/pulsar/consumer_impl.go#L435
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[GitHub] [pulsar-client-go] wolfstudy commented on issue #628: please check Failed by consumer Ack Message ID
Posted by GitBox <gi...@apache.org>.
wolfstudy commented on issue #628:
URL: https://github.com/apache/pulsar-client-go/issues/628#issuecomment-939242977
The current Ack command has no return value. If the ack fails, the message will continue to be stored in the backlog on the broker side, and the message will not be lost.
After the 2.8.0 version, we introduced the transaction function, here we added response to Ack's Command
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[GitHub] [pulsar-client-go] EAHITechnology commented on issue #628: please check Failed by consumer Ack Message ID
Posted by GitBox <gi...@apache.org>.
EAHITechnology commented on issue #628:
URL: https://github.com/apache/pulsar-client-go/issues/628#issuecomment-1002565648
Under normal use (no transaction) , the semantics is at least once @Liberxue
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[GitHub] [pulsar-client-go] Liberxue commented on issue #628: please check Failed by consumer Ack Message ID
Posted by GitBox <gi...@apache.org>.
Liberxue commented on issue #628:
URL: https://github.com/apache/pulsar-client-go/issues/628#issuecomment-986991994
> The current Ack command has no return value. If the ack fails, the message will continue to be stored in the backlog on the broker side, and the message will not be lost.
>
>
>
> After the 2.8.0 version, we introduced the transaction function, here we added response to Ack's Command
- If the client is deployed in k8s, then after the client ACK, restarting will cause message duplication (need the client to handle idempotence?)
- How to guarantee exactly-once?
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