lhotari commented on PR #24704:
URL: https://github.com/apache/pulsar/pull/24704#issuecomment-3270421116
One potential future improvement could be to add support for transaction
batching. In transaction batching multiple incoming messages would be processed
within the same transaction due to performance reasons so the the number of
transactions can be reduced. There would need to be a need to have
`transactionBatchingMaxEntries` ("entry" would refer to a incoming batch
message which could contain multiple messages) and
`transactionBatchingQuietPeriodMs` configuration parameters to control this
type of batching. In most cases, it would be useful to configure
`transactionBatchingMaxEntries` to at least `1` so that batch index
acknowledgement state wouldn't have to be held across transactions. The
`transactionBatchingQuietPeriodMs` would control how long to wait until
"closing" the transaction batch in cause the incoming messages don't flow in
continuously and `transactionBatchingMaxEntries` isn't hit.
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