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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2020/03/12 08:15:06 UTC

[GitHub] [rocketmq] duhenglucky commented on issue #575: while not use FileChannel.write()? rocketmq use mmap file write , may cause use a lot of share memory

duhenglucky commented on issue #575: while not use FileChannel.write()? rocketmq use mmap file write , may cause use a lot of share memory 
URL: https://github.com/apache/rocketmq/issues/575#issuecomment-598060224
 
 
   > @duhengforever but the rocketmq may hold 100G even more SHR memory .
   > **how to control the memory use by rocketmq ,by mmap file ??**
   > 
   > ![image](https://user-images.githubusercontent.com/2367243/49513011-96b00380-f8ca-11e8-9cfd-4338ed7b53f5.png)
   
   Maybe using the dio in the future will be a good choice,  memory management is entirely done by the application layer.

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