HF RL Explorer

Bug: Leader-only DDL Operations Stuck When Lease Renewal Uses Transient Follower Role

Bug: Leader-only DDL Operations Stuck When Lease Renewal Uses Transient Follower Role: a task in LegoFlow-SWE (Harbor dataset). When a leader region is temporarily reported as a follower by the datanode’s heartbeat during an ongoing DDL, the lease renewal picks up the transient follower role. This…

The task

When a leader region is temporarily reported as a follower by the datanode’s heartbeat during an ongoing DDL, the lease renewal picks up the transient `follower` role. This prevents the lease from being renewed as a leader, and the operation stalls indefinitely, retrying but never progressing.

Part of Lego-X/LegoFlow-SWE.