icersummer commented on issue #721: Question About [NOTIFYME]putMessage in lock 
cost time(ms)=4052
URL: https://github.com/apache/rocketmq/issues/721#issuecomment-480657657
 
 
   > @mm23504570  
   > 8 CPU. 48G MEM. SSD disk
   > I set vm.min_free_kbytes = 1000000 and resolved the problem.
   
   问下, 你这里的总计内存48G, 设置了 vm.min_free_kbytes=1G; 这样的考虑是什么? 设置后的对系统/RMQ的预期影响是什么?
   

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