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Explain it in your own words

Explain It in Your Own Words: Replication and Sharding

Explain it in your own words, the way you would in an interview. The interviewer will listen and ask a couple of follow-up questions. About 4 minutes; headphones work best.

Объясни разницу между репликацией и шардированием: какую проблему решает каждое, и с какими сложностями ты столкнёшься.
Answer by voice