Since DBs have 8 CPUs available, connection pool sizes are: 8 * 32 = 256 for Mongo and 8 * 8 = 64 for Postgres. Empirically, MongoDB benefits from having much more connections, yielding better results; especially for write-heavy workloads.
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Одна связанная с нижним бельем привычка женщины натолкнула ее бойфренда на мысль об измене02:29
A Module in the Modular Design¶