Build a per-session ledger (client, reattaches, expiry vs client close, lifetime) from a real three-server…

Build a per-session ledger (client, reattaches, expiry vs client close, lifetime) from a real three-server…: a task in pool-desk-v2 (Harbor dataset). Hi, I need a ledger of every client session on our three-node ZooKeeper ensemble, built from the server logs.