Where does my computer get the time from?

From NTP, but where does NTP get the time from?

Where does my computer get the time from? From NTP, but where does NTP get the time from?

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These are collective products of distributed systems researchers and practitioners over many decades.

Learn how Postman engineers solved a physical storage issue in the database layer of the service behind Postman Collections.

As much as it may seem that such an application fits perfectly in what we would unconsciously consider “distributed architectures“, the specific details (small and large) of this kind of solutions turn what, for any capable engineer would be a simple design process into a headache of biblical proportions.

Turns out no, we can do better. Two-Phase Locking has several advantages over the other concurrency controls that have since been invented, but in my view there are two important ones: simplicity and a strong isolation level.