Yuchen Fan created IMPALA-11888:
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Summary: Collect all executors' CPU utilization to coordinator by
impalad heartbeat
Key: IMPALA-11888
URL: https://issues.apache.org/jira/browse/IMPALA-11888
Project: IMPALA
Issue Type: Sub-task
Components: Backend
Affects Versions: Impala 4.1.0
Reporter: Yuchen Fan
Coordinators need to know cluster load by collecting CPU usage of executors.
Using heartbeat topic is a convenient way without incurring large overhead.
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