Hi Shengyi,
1) Unfortunately no, see the related docs: https://kafka.apache.
org/0110/documentation.html#upgrade_11_exactly_once_semantics
2) You cannot set the internal topic message format on the client side
(producer, consumer, streams, ..) it is decided on the broker side only.
3) You can re
Hi, All:
I have upgraded my Kafka cluster from 0.10.2 to 1.1 recently. After rolling
upgrade, the broker version related configuration is :
inter.broker.protocol.version = 1.1
log.message.format.version = 0.10.2
I keep the log message format as low version because not all clients could
upgrade
