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Posted to dev@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2020/05/18 16:29:00 UTC

[jira] [Created] (ARROW-8847) [C++] Pass task size / metrics in Executor API

Antoine Pitrou created ARROW-8847:
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             Summary: [C++] Pass task size / metrics in Executor API
                 Key: ARROW-8847
                 URL: https://issues.apache.org/jira/browse/ARROW-8847
             Project: Apache Arrow
          Issue Type: Wish
          Components: C++
            Reporter: Antoine Pitrou
            Assignee: Antoine Pitrou


For now, our ThreadPool implementation would ignore those metrics, but other implementations may use it for custom ordering.

Example metrics:
* IO size (number of bytes)
* CPU cost (~ number of instructions)
* Priority (opaque integer? lower is more urgent)





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