Git-Yang commented on issue #3680:
URL: https://github.com/apache/rocketmq/issues/3680#issuecomment-1010868042


   > > > we can modify changeInstanceNameToPID() method and cache 
`UtilAll.getPid()+ "#" + System.nanoTime();`
   > > 
   > > 
   > > I don't understand why it is need to cache UtilAll.getPid() + "#" + 
System.nanoTime()?
   > 
   > what about this?
   > 
   > 
![image](https://user-images.githubusercontent.com/3192556/149109565-445f35ec-4ced-4ea3-b399-94af861576f1.png)
   
   In this way, the problem of conflicts in the container can indeed be solved, 
and I think it is also an optimization way.
   The only question at the moment is whether it is necessary to resolve 
conflicts caused by users using custom instanceName.
   At present, our business students have reported that have encountered such 
problems many times. Since we expose the use of instanceName to the user in the 
document, but the user does not know the underlying implementation logic, they 
will often encounter conflicts.


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