Locks & Deadlocks Explained | Backend Concurrency Issues (Day 15)
Автор: Modern Code Lab
Загружено: 2026-01-18
Просмотров: 853
Описание:
Two users update the same data at the same time.
One waits.
The other waits too.
Nothing crashes — but nothing moves.
That’s a deadlock.
In Day 15 of the Backend Development series, we explain:
• What locks are and why databases use them
• How locks prevent race conditions
• What deadlocks really are
• Why deadlocks are dangerous but silent
• How databases recover from deadlocks
This is a common backend interview topic and a real production issue under high load.
👇 Comment your takeaway.
💾 Save this — deadlocks appear only in real systems.
📅 Next video: Why some operations must run together across steps.
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