[DISCUSS] Cherry-pick the tool method `Servercnx.checkConnectionLiveness` into branch-2.10 and branch-2.11

Hi all The PR https://github.com/apache/pulsar/pull/21155 fixes an issue in which the producer sends messages timeout due to the inability to reconnect successfully. The root cause is the client created a new connection to reregister the producer after it assumed the old client was invalidated, bu

[VOTE] PIP-286: Make the TopicCompactionService to support find entry based on publishTime or index

Hi, all Since there are no other concerns in the discussion, I'm delighted to start the voting process for the PIP-286. Here is the link to the PIP: https://github.com/apache/pulsar/pull/20867 Thanks, Cong Zhao