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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2019/02/22 07:35:16 UTC

[GitHub] ymwneu opened a new issue #849: Performance problem of method MQClientInstance#findBrokerVersion.

ymwneu opened a new issue #849: Performance problem of method MQClientInstance#findBrokerVersion.
URL: https://github.com/apache/rocketmq/issues/849
 
 
   **BUG REPORT**
   
   1. Please describe the issue you observed:
   
   - What did you do (The steps to reproduce)?
   Method MQClientInstance#findBrokerVersion will invoke a RPC for each single pull when the brokerVersionTable not contains the specified key, which will cause a heavy load.
   
   - What did you expect to see?
   Method MQClientInstance#findBrokerVersion can cache the version info after a query though RPC.
   
   - What did you see instead?
   Version info did not cached.
   
   2. Please tell us about your environment:
   None.
   
   3. Other information (e.g. detailed explanation, logs, related issues, suggestions how to fix, etc):
   None

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