Message Sending on Clients - ApsaraMQ for Kafka - Alibaba Cloud Documentation Center

Where can I find the best practices for sending messages?
How can I test the message sending?
How can I determine whether a message is sent after I send the message on the client?
How many connections to the broker can a producer establish?
Does the callback setting on the Java client affect the message sending speed?
Why does a PHP client experience a long delay when it sends a message?
Rules for configuring client parameters
What do I do if an error is reported on a client when I use ApsaraMQ for Kafka?
What do I do if the attempt to ping the endpoint of an ApsaraMQ for Kafka instance fails?
Why is the "Cluster authorization failed" error reported during message sending after I enable the idempotence feature?