Stale While Revalidate (SWR) is a strategy to first return the data from the cache, then send the fetch request, and finally come up with the up-to-date data.
PHP
Logarithmic auto-scaling for Laravel Horizon
A thoughtful write-up on adding logarithmic auto-scaling to Laravel Horizon. It shows how log-based weighting keeps huge queue spikes from starving smaller realtime queues while still giving large backlogs enough workers. Read more