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Subject [GitHub] zhengyangyong commented on issue #548: [SCB-326] Using the EventManager directly
Date Thu, 01 Jan 1970 00:00:00 GMT
zhengyangyong commented on issue #548: [SCB-326] Using the EventManager directly
URL: https://github.com/apache/incubator-servicecomb-java-chassis/pull/548#issuecomment-364299608
 
 
   Performance test show use custom EventBus has better performance than use EventBus in guava
   **may cause by guava EventBus invoke subscribe method via java reflection mechanism**
   |   | custom EventBus | guava EventBus |   
   | :---------- | :---------- | :---------- |   
   | tps | 1,000,000 + | 500,000 + |   
   | latency | 1ms | 1.8ms |   
   | consumer cpu | about 650% | about 500% |   
   | producer cpu | about 750% | about 800% |    
   
   
   more detail can found here (in comments) : https://issues.apache.org/jira/projects/SCB/issues/SCB-326

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