I've definitely noticed this as well and have been working on a "auto-scale" feature as well (to tone-down concurrency when under load). It's not an easy task,

I've definitely noticed this as well and have been working on a "auto-scale" feature as well (to tone-down concurrency when under load). It's not an easy task, but you can see my first pass here: https://github.com/joelgriffith/browserless/blob/master/src/Chrome.ts#L556 https://github.com/joelgriffith/browserless/blob/master/src/...