db.products.countDocuments();
Начальник ГРУ заявил о жестком вопросе Киеву после покушения на генерала Алексеева14:48
。关于这个话题，PDF资料提供了深入分析
Cluely CEO Roy Lee admits to publicly lying about revenue numbers last year
Same applies to debugging. A query is slow in production and you want to reproduce the plan locally, but your database has different statistics, and planner chooses the predictable path. Porting production stats can provide you that snapshot of thinking planner has to do in production, without actually going to production.