Which of the following is the correct way to publish a batch of messages using the RabbitMQ Java client?

easy📝 Syntax Q3 of 15

RabbitMQ - Performance Tuning

Achannel.basicPublishBatch(exchange, routingKey, props, messageBody);

Bchannel.basicPublish(exchange, routingKey, props, messageBody); repeated in a loop without transaction

Cchannel.txSelect(); publish messages; channel.txCommit();

Dchannel.batchPublish(exchange, routingKey, props, messageBody);

Step-by-Step Solution

Solution:

Step 1: Recall RabbitMQ Java client batch methods
There is no basicPublishBatch or batchPublish method in the Java client.
Step 2: Use transactions for batch publishing
Using txSelect and txCommit wraps multiple publishes in a transaction, batching them.
Final Answer:
channel.txSelect(); publish messages; channel.txCommit(); -> Option C
Quick Check:
Java batch publish = Transaction methods [OK]

Quick Trick: Use txSelect and txCommit to batch in Java client [OK]

Common Mistakes:

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