[GitHub] [pulsar] tarunannapareddy opened a new issue, #17574: [feature request] Java Client support to Cumulative Acknowledge messages for multiple partitions or topics

[GitBox <gi...@apache.org>]

tarunannapareddy opened a new issue, #17574:
URL: https://github.com/apache/pulsar/issues/17574

   ### Search before asking
   
   - [X] I searched in the [issues](https://github.com/apache/pulsar/issues) and found nothing similar.
   
   
   ### Motivation
   
   **Email from Yunze Xu**
   
   Assuming users called "acknowledgeCumulative" periodically, there is a chance that some messages of the specific partition has never been passed to the method.
   For example, a consumer received: P0-M0, P1-M0, P0-M1, P1-M1, P0-M2, P1-M2...
   And the user acknowledged every two messages, i.e. P0-M0, P0-M1, P0-M2. Eventually, partition 1 has never been acknowledged. User must maintain its own `Map<String, MessageId&gt> cache for a partitioned topic or multi-topics consumer with the existing "acknowledgeCumulative" API.
   
   Should we make it more friendly for users? For example, we can make "acknowledgeCumulative"  accept the map to remind users to maintain the map from topic name to message ID:
   **java**
   ```
    // the key is the partitioned topic name like my-topic-partition-0
    void acknowledgeCumulative(Map<String, MessageId> topicToMessageId);
   ```
   
   ### Solution
   
   Implement acknowledgeCumulative(Map<String, MessageId> topicToMessageId) 
   
   ### Alternatives
   
   _No response_
   
   ### Anything else?
   
   _No response_
   
   ### Are you willing to submit a PR?
   
   - [X] I'm willing to submit a PR!


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[GitHub] [pulsar] github-actions[bot] commented on issue #17574: [PIP] Java Client support to Cumulative Acknowledge messages for multiple partitions or topics

[GitBox <gi...@apache.org>]

github-actions[bot] commented on issue #17574:
URL: https://github.com/apache/pulsar/issues/17574#issuecomment-1278382366

   The issue had no activity for 30 days, mark with Stale label.


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