1. When we are being enforced processing (idleStartTime is not UNKNOWN), we will only resume a partition if it is drained empty, instead of below the max.partition buffer.
2. Related upgrade docs, and unit tests. ### Committer Checklist (excluded from commit message) - [ ] Verify design and implementation - [ ] Verify test coverage and CI build status - [ ] Verify documentation (including upgrade notes) [ Full content available at: https://github.com/apache/kafka/pull/5669 ] This message was relayed via gitbox.apache.org for [email protected]
