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https://issues.apache.org/jira/browse/KAFKA-5270?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax updated KAFKA-5270:
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Fix Version/s: (was: 2.2.0)
> TransactionManager should send and `AddOffsetsToTxn` request only once per
> group per transaction
> ------------------------------------------------------------------------------------------------
>
> Key: KAFKA-5270
> URL: https://issues.apache.org/jira/browse/KAFKA-5270
> Project: Kafka
> Issue Type: Sub-task
> Components: clients, core, producer
> Reporter: Apurva Mehta
> Priority: Major
> Labels: exactly-once
>
> Currently, we send the `AddOffsetsToTxn` request unconditionally every time,
> even if we receive multiple sendOffsets for the same group. We could keep
> track of the added groups in the TransactionManager and not resend this RPC
> multiple times for the same transaction as the subsequent instances add no
> new information.
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