[GitHub] RongtongJin commented on issue #567: This code will fix the issue[apache#522] that warm-up method is Ineffective code and result double io in the sync flush

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RongtongJin commented on issue #567: This code will fix the issue[apache#522] that warm-up method is Ineffective code and result double io in the sync flush
URL: https://github.com/apache/rocketmq/pull/567#issuecomment-443064542
 
 
   Because the allocated page is CopyOnWrite, only using mlock  can't lock the physical memory , you must write some value, you can read this [article](https://blog.csdn.net/fjt19900921/article/details/8074541)

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