[fix][txn] Transaction cumulative ack redeliver change - #14371
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congbobo184 merged 13 commits intoJul 13, 2022
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February 18, 2022 09:32
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@congbobo184:Thanks for your contribution. For this PR, do we need to update docs? |
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@congbobo184:Thanks for providing doc info! |
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…tion_cumulative_abort_redeliver_message # Conflicts: # pulsar-broker/src/test/java/org/apache/pulsar/client/impl/TransactionEndToEndTest.java
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apache#10478 ### Motivation since apache#10478 merged, we should change the cumulative ack with transaction abort redeliver logic. We can't redeliver unCumulativeAck message by the server because the client will receive the new message and ack then will receive the old message they abort. in this case: 1. we have 5 message 2. cumulative ack 3 messages with the transaction 3. we abort this transaction 4. server redeliver message by the current consumer_epoch 5. the client will not filter the 4 or 5 messages, because in apache#10478 we don't change the client consumer epoch 6. client cumulative ack 4 5 with transaction and commit will lose the 1 2 3 messages and the consume message, not in order. ### Modifications don't redeliver any cumulative ack messages, it will do by user self
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#10478
Motivation
since #10478 merged, we should change the cumulative ack with transaction abort redeliver logic. We can't redeliver unCumulativeAck message by the server because the client will receive the new message and ack then will receive the old message they abort.
in this case:
Modifications
don't redeliver any cumulative ack messages, it will do by user self
Verifying this change
don't need to add a test, the original test has been overwritten
Does this pull request potentially affect one of the following parts:
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yeswas chosen, please highlight the changesDocumentation
Does this pull request introduces a new feature? (yes)
If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)
If a feature is not applicable for documentation, explain why?
If a feature is not documented yet in this PR, please create a follow-up issue for adding the documentation
doc-not-needed