mfyuce commented on PR #3525:
URL: https://github.com/apache/iggy/pull/3525#issuecomment-4779707657

   Sorry for the late response -- was doing a local benchmark to make sure the 
setup is working.
   
   The failing test is 
`server::purge_delete::should_delete_segments_with_consumer_group_barrier` in 
`core/integration/tests/server/scenarios/purge_delete_scenario.rs:480`:
   
   ```
   assertion `left == right` failed: Expected message at offset 0
     left: 24
    right: 0
   ```
   
   This is a server-level integration test about segment deletion with consumer 
group barriers. PR #3525 only touches `core/sdk/src/clients/consumer.rs` 
(per-partition `InvalidOffset` tracking in the Rust SDK client). There is no 
code path between the SDK consumer and the server's segment purge/delete logic.
   
   The assertion failure (`offset 24 != 0` after a purge) points to a race in 
the server's segment cleanup under consumer group barrier conditions -- a 
pre-existing issue unrelated to this PR. Checking whether this test also fails 
on the current master would confirm it.


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