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Redis Transactions, Pub/Sub, and Streams Cheat Sheet/Optimistic transfer transaction

Common check-and-set transaction workflow.

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Section: Transactions and optimistic locking

Optimistic transfer transaction

bash
bash
WATCH account:1
GET account:1
MULTI
DECRBY account:1 50
INCRBY account:2 50
EXEC
Explanation

In practice, the client should validate account state after GET and before MULTI/EXEC.

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