jolshan commented on code in PR #19910:
URL: https://github.com/apache/kafka/pull/19910#discussion_r2133074219
##########
core/src/main/scala/kafka/coordinator/transaction/TransactionCoordinator.scala:
##########
@@ -819,11 +819,14 @@ class TransactionCoordinator(txnConfig: TransactionConfig,
}
if (nextState == TransactionState.PREPARE_ABORT && isEpochFence)
{
- // We should clear the pending state to make way for the
transition to PrepareAbort and also bump
- // the epoch in the transaction metadata we are about to
append.
+ // We should clear the pending state to make way for the
transition to PrepareAbort
Review Comment:
Should this comment be changed back to reflect TV1 vs TV2?
##########
core/src/main/scala/kafka/coordinator/transaction/TransactionCoordinator.scala:
##########
@@ -819,11 +819,14 @@ class TransactionCoordinator(txnConfig: TransactionConfig,
}
if (nextState == TransactionState.PREPARE_ABORT && isEpochFence)
{
- // We should clear the pending state to make way for the
transition to PrepareAbort and also bump
- // the epoch in the transaction metadata we are about to
append.
+ // We should clear the pending state to make way for the
transition to PrepareAbort
txnMetadata.pendingState = None
- txnMetadata.producerEpoch = producerEpoch
- txnMetadata.lastProducerEpoch = RecordBatch.NO_PRODUCER_EPOCH
+ if (!clientTransactionVersion.supportsEpochBump()) {
Review Comment:
So we can just remove this code?
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