John Spray

Plan: 1. Add a dummy lease API to the pageserver for integration purposes, doesn't have to do anything yet - Arpad did this in #7808 3. Add code in computectl...

Status: the optimization for sharding is done and working. The outstanding part is to add optimization for balancing, which would migrate work back to nodes after they are evacuated for...

>I think this is the only outstanding work item left for this ticket. Might be as simple as starting a fill background operation when we handle a node coming back...

Given that we schedule secondaries into a different AZ than attached locations, once https://github.com/neondatabase/neon/issues/8264 is done this ticket will be implicitly fixed -- after a node comes back online, shards...

@skyzh has the detail. To clarify, we don't skip GC or compaction entirely for these tenants -- it's specifically the "GC compaction" process that does exhaustive rewrites of old data...

(we are tracking this internally at https://databricks.atlassian.net/browse/LKB-673)