Apurva Mehta created KAFKA-5270:
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Summary: 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
Reporter: Apurva Mehta
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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