[GitHub] [pulsar] racorn edited a comment on issue #6414: High CPU load when PulsarClient (Java) is idle

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racorn edited a comment on issue #6414: High CPU load when PulsarClient (Java) is idle
URL: https://github.com/apache/pulsar/issues/6414#issuecomment-592933365
 
 
   I wish I had seen this before: netty/netty#9710, and the fix netty/netty#9714
   
   As the Netty version is now bumped to 4.1.45 on master, the CPU load is no longer an issue on Windows. 
   
   Anyway, @jiazhai, I made the suggested implementation in my forked repository, you can have a look to see if it is of any value. I could be an improvement in the `ProducerImpl`, where `client.scheduledExecutorService().scheduleAtFixedRate` better reflects what you want to achieve than using a `Timeout`. Also, the `keyGeneratorTask` could use the `ScheduledExecutorService` instead of using the Netty eventLoopGroup. On the other hand, if you are producing messages for a huge number of topics (10k +), the the `HashedWheelTimer` may perform better. So maybe better to leave it as it is.

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