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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2020/03/19 02:25:38 UTC
[GitHub] [pulsar] codelipenghui opened a new issue #6554: Dispatch messages
to the new consumer after exist consumer acknowledged all dispatched messages
codelipenghui opened a new issue #6554: Dispatch messages to the new consumer after exist consumer acknowledged all dispatched messages
URL: https://github.com/apache/pulsar/issues/6554
Master issue #4077
**Is your feature request related to a problem? Please describe.**
Dispatch messages to the new consumer after exist consumer acknowledged all dispatched messages
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[GitHub] [pulsar] codelipenghui commented on issue #6554: Dispatch messages
to the new consumer after exist consumer acknowledged all dispatched
messages in Key_Shared Subscription.
Posted by GitBox <gi...@apache.org>.
codelipenghui commented on issue #6554: Dispatch messages to the new consumer after exist consumer acknowledged all dispatched messages in Key_Shared Subscription.
URL: https://github.com/apache/pulsar/issues/6554#issuecomment-613214490
@feeblefakie We are already advancing this matter and I have drafted an approach. I will create a PIP soon.
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[GitHub] [pulsar] feeblefakie removed a comment on issue #6554: Dispatch
messages to the new consumer after exist consumer acknowledged all
dispatched messages in Key_Shared Subscription.
Posted by GitBox <gi...@apache.org>.
feeblefakie removed a comment on issue #6554: Dispatch messages to the new consumer after exist consumer acknowledged all dispatched messages in Key_Shared Subscription.
URL: https://github.com/apache/pulsar/issues/6554#issuecomment-608393320
I totally agree with @poulhenriksen .
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[GitHub] [pulsar] poulhenriksen commented on issue #6554: Dispatch messages
to the new consumer after exist consumer acknowledged all dispatched
messages in Key_Shared Subscription.
Posted by GitBox <gi...@apache.org>.
poulhenriksen commented on issue #6554: Dispatch messages to the new consumer after exist consumer acknowledged all dispatched messages in Key_Shared Subscription.
URL: https://github.com/apache/pulsar/issues/6554#issuecomment-608369849
How come this is marked as a feature and not a bug?
It violates the ordering guarantee of Key_Shared, and basically makes Key_Shared useless if you dynamically add consumers.
I ask, because I would like to ensure this bug gets the proper attention, and is not regarded as a nice-to-have feature.
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[GitHub] [pulsar] feeblefakie commented on issue #6554: Dispatch messages to
the new consumer after exist consumer acknowledged all dispatched messages
in Key_Shared Subscription.
Posted by GitBox <gi...@apache.org>.
feeblefakie commented on issue #6554: Dispatch messages to the new consumer after exist consumer acknowledged all dispatched messages in Key_Shared Subscription.
URL: https://github.com/apache/pulsar/issues/6554#issuecomment-613211838
@codelipenghui Could you share updates on this if any ?
Sorry for pushing, but I feel it is a really critical bug and Key_Shared users will have so much troubles if they just use it without doubt.
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[GitHub] [pulsar] codelipenghui edited a comment on issue #6554: Dispatch
messages to the new consumer after exist consumer acknowledged all
dispatched messages in Key_Shared Subscription.
Posted by GitBox <gi...@apache.org>.
codelipenghui edited a comment on issue #6554: Dispatch messages to the new consumer after exist consumer acknowledged all dispatched messages in Key_Shared Subscription.
URL: https://github.com/apache/pulsar/issues/6554#issuecomment-613214490
@feeblefakie We are already advancing this matter and I have drafted an approach. I will create a PIP or push a PR soon.
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[GitHub] [pulsar] feeblefakie commented on issue #6554: Dispatch messages to
the new consumer after exist consumer acknowledged all dispatched messages
in Key_Shared Subscription.
Posted by GitBox <gi...@apache.org>.
feeblefakie commented on issue #6554: Dispatch messages to the new consumer after exist consumer acknowledged all dispatched messages in Key_Shared Subscription.
URL: https://github.com/apache/pulsar/issues/6554#issuecomment-606408672
Let me add a related issue and some discussion I and @codelipenghui had about this.
- [Key_Shared consumers with different subscriptions get messages for the same key in an inconsistent order](http://mail-archives.apache.org/mod_mbox/pulsar-users/202003.mbox/%3CCAPDOW74LN3WtdhpG_cgCCSg9MuMmkNV6giCGD5p%3DW1wWji0W7w%40mail.gmail.com%3E)
- https://apache-pulsar.slack.com/archives/C5Z4T36F7/p1585527971073400
I think sticky consumers won't really solve it since consumers can be easily down in failure cases and it is pretty hard for applications to manage scalability of consumers.
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[GitHub] [pulsar] feeblefakie commented on issue #6554: Dispatch messages to
the new consumer after exist consumer acknowledged all dispatched messages
in Key_Shared Subscription.
Posted by GitBox <gi...@apache.org>.
feeblefakie commented on issue #6554: Dispatch messages to the new consumer after exist consumer acknowledged all dispatched messages in Key_Shared Subscription.
URL: https://github.com/apache/pulsar/issues/6554#issuecomment-608393320
I totally agree with @poulhenriksen .
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[GitHub] [pulsar] feeblefakie commented on issue #6554: Dispatch messages to
the new consumer after exist consumer acknowledged all dispatched messages
in Key_Shared Subscription.
Posted by GitBox <gi...@apache.org>.
feeblefakie commented on issue #6554: Dispatch messages to the new consumer after exist consumer acknowledged all dispatched messages in Key_Shared Subscription.
URL: https://github.com/apache/pulsar/issues/6554#issuecomment-613226637
@codelipenghui Thank you for sharing the update ! Good to know. :)
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