[FLINK-28820] Pulsar Connector PulsarSink performance issue when delivery guarantee is not NONE

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.15.0
• Fix Version/s: 1.17.0
• Component/s: Connectors / Pulsar
• Labels: pull-request-available
• Assignee: Yufan Sheng
• Reporter: Simon Su
• Created: 05/Aug/22 02:29
• Updated: 24/Jul/23 06:09
• Resolved: 18/Oct/22 13:34

Description

Pulsar Sink writes at a speed of a dozen messages per second when At-Least-Once and Exactly-Once are enabled. When None is used, the message write speed reaches the Pulsar write bottleneck.

Issue Links

• duplicates: FLINK-32645 Flink pulsar sink is having poor performance
• links to: GitHub Pull Request #21074