[GitHub] [camel-kafka-connector] orpiske edited a comment on issue #414: High CPU Usage with RabbitMQ Connector (polling interface implemented incorrectly?)

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orpiske edited a comment on issue #414:
URL: https://github.com/apache/camel-kafka-connector/issues/414#issuecomment-686477212


   > > Another thing I noticed: the reproducer has the tasks.max set to 10. This is not yet supported. After I decreased it to 1, the CPU usage on my case decreased significantly.
   > 
   > Have you had a look at the load on the individual cores of your system? Setting `tasks.max` to 1 will, indeed, reduce the overall system load as only one worker respectively one thread is spawned, but this worker will utilize "its core" to 100%. So if you have a system with two CPU cores, the CPU usage will be at 50% (or 100% in top with Irix mode)
   
   I did not look individually to a specific core, but the load did decrease by a factor of 10 (ie.: from ~31% previously to ~3% after that). Good catch.


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