[FLINK-5128] Get Kafka partitions in FlinkKafkaProducer only if a partitioner is set

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.2.0
• Component/s: Connectors / Kafka
• Assignee: Renkai Ge
• Reporter: Tzu-Li (Gordon) Tai
• Created: 22/Nov/16 15:57
• Updated: 02/Dec/16 15:15
• Resolved: 02/Dec/16 15:15

Description

The fetched partitions list is only used when calling open(...) for a user supplied custom partitioner in FlinkKafkaProducer.

Therefore, we can actually only fetch the partition list if the user used a partitioner (right now we always do the partition fetching).

Issue Links

• links to: GitHub Pull Request #2893