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Posted to dev@kafka.apache.org by "John Roesler (Jira)" <ji...@apache.org> on 2019/10/25 03:14:00 UTC

[jira] [Created] (KAFKA-9103) KIP-441: Add TaskLags to SubscriptionInfo

John Roesler created KAFKA-9103:
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             Summary: KIP-441: Add TaskLags to SubscriptionInfo
                 Key: KAFKA-9103
                 URL: https://issues.apache.org/jira/browse/KAFKA-9103
             Project: Kafka
          Issue Type: Improvement
          Components: streams
            Reporter: John Roesler
            Assignee: John Roesler


As described in KIP-441, we will add the TaskLags field to, and remove the ActiveTasks and StandbyTasks fields from, the SubscriptionInfo object.

This change can be made independent of the new balancing algorithm, since we can transparently convert back and forth between active/standby tasks and the tasklags formats, using a lag of 0 to denote active tasks and a lag > 0 to denote standbys.



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