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Posted to issues-all@impala.apache.org by "Abhishek Rawat (Jira)" <ji...@apache.org> on 2023/01/05 17:46:00 UTC

[jira] [Created] (IMPALA-11827) do not cache admission control service's IP address in coordinator

Abhishek Rawat created IMPALA-11827:
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             Summary: do not cache admission control service's IP address in coordinator
                 Key: IMPALA-11827
                 URL: https://issues.apache.org/jira/browse/IMPALA-11827
             Project: IMPALA
          Issue Type: Task
            Reporter: Abhishek Rawat


The Impalad's ExecEnv caches resolved IP address for admission control service:

[https://github.com/apache/impala/blob/master/be/src/runtime/exec-env.h#L301]

The Impala server run a heart beat thread for admission control service and it relies on the cached resolved address in ExecEnv. This breaks when IP address for admission control services changes (post a restart) and so we shouldn't cache dynamic addresses.



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