Persists the threads. On a quota error the oldest thread is dropped and the write retried until it fits; ok: false means even [] could not be written (blocked storage) — callers keep their in-memory list then.
ok: false
[]
Persists the threads. On a quota error the oldest thread is dropped and the write retried until it fits;
ok: falsemeans even[]could not be written (blocked storage) — callers keep their in-memory list then.