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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2019/04/12 03:22:24 UTC

[GitHub] [pulsar] lovelle opened a new pull request #4031: Feature - support seek() on Reader

lovelle opened a new pull request #4031: Feature - support seek() on Reader
URL: https://github.com/apache/pulsar/pull/4031
 
 
   **Motivation**
   
   Trying to fix #3976
   
   According to what was discussed in pull #3983 it would be an acceptable solution
   to add seek() command to Reader in order to reset a non durable cursor after
   Reader instance was build.
   
   **Modifications**
   
     - Copy seek() commands to Reader interface from Consumer interface.
     - Fix inconsistency with lastDequeuedMessage field after seek() command was
       performed successfully.
     - Fix consumer discarding messages on receive (after seek() command) due to
       messages being present on acknowledge grouping tacker.
     - Add functional test to assert behaviour from seek() on Reader.
   
   ### Verifying this change
   
   - [ ] Make sure that the change passes the CI checks.
   

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