This commit adds configuration property that allows users to configure Pulsar message listener container concurrency.
In similar fashion to https://github.com/spring-projects/spring-boot/pull/42052, this is much needed to achieve optimal setup of message consumption, especially when dealing with partitioned topics.
/cc @onobc
Comment From: philwebb
Thanks @vpavic!
Comment From: vpavic
@philwebb this was merged perhaps too soon as I didn't have chance to update this PR to benefit from the changes introduced in https://github.com/spring-projects/spring-pulsar/issues/820.
I've opened https://github.com/spring-projects/spring-boot/pull/42120 to address that separately.