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  1. Kafka
  2. KAFKA-16493

Avoid unneeded subscription regex check if metadata version unchanged

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    Description

      When using pattern subscription (java pattern), the new consumer regularly checks if the list of topics that match the regex has changed. This is done as part of the consumer poll loop, and it evaluates the regex using the latest cluster metadata. As an improvement, we should avoid evaluating the regex if the metadata version hasn't changed (similar to what the legacy coordinator does here)

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          is related to

          Sub-task - The sub-task of the issue KAFKA-15538 Client support for java regex based subscription

          • Blocker - Blocks development and/or testing work, production could not run
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          Web Link GitHub Pull Request #15869

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              phuctran Phuc Hong Tran
              lianetm Lianet Magrans
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