You create a producer that writes messages about bank account transactions from tens of thousands...

Confluent CCDAK Question Answer

You create a producer that writes messages about bank account transactions from tens of thousands of different customers into a topic.

Your consumers must process these messages with low latency and minimize consumer lag

Processing takes ~6x longer than producing

Transactions for each bank account must be processedin orderWhich strategy should you use?

Use the timestamp of the message's arrival as its key.

Use the bank account number found in the message as the message key.

Use a combination of the bank account number and the transaction timestamp as the message key.

Use a unique identifier such as a universally unique identifier (UUID) as the message key.

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