How does Kafka ensure message ordering?
Kafka ensures message ordering by using partitions. Each partition is an ordered, immutable sequence of records.
What happens if a message is produced to multiple partitions?
If a message is produced to multiple partitions, the order is not guaranteed across those partitions. Ordering is only maintained within a single partition.
Can I control which partition a message goes to?
Yes, you can control partitioning by specifying a key when producing messages. Messages with the same key will go to the same partition.
What if I don't specify a key?
If no key is specified, Kafka will use a round-robin approach to distribute messages across partitions.
Are there any best practices for maintaining message order?
Yes, it's best to use a consistent key for related messages and to limit the number of partitions if strict ordering is required.
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