pub const LOW_PRIMARY_REMAINING_PERCENT: u64 = 20;Expand description
Below this share of the hourly quota left, polling stretches.
One fifth: 1,000 of 5,000. Chosen so that a host noticing it still has
enough budget to keep polling at its active interval for the rest of the
hour, while giving the fleet’s interactive users (gh, other apps on the
same account) room.