Hi Lari
> The solution should be based on Netty's standard way of controlling the write > buffer size from the beginning. Why would you want to postpone it? > Since PRs target the master branch, ServerCnxThrottleTracker should be used > in the PR. Started a PIP https://github.com/apache/pulsar/pull/24510 to implement it. And the PIP will not be cherry-picked into branch-3.0 and branch-3.3 anymore. > It's not a mistake. The throttling should be effective if any of the > conditions for throttling is present. It is really a bug; let's discuss it in an issue. Thanks Yubiao Feng