[GitHub] Ah39 opened a new issue #575: while not use FileChannel.write()? rocketmq use mmap file write , may cause use a lot of share memory

[GitBox <gi...@apache.org>]

Ah39 opened a new 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
 
 
   head is a test for FileChannel.write() , and mmap file write
   https://github.com/jkreps/valencia/blob/master/src/test/java/valencia/TestLinearWritePerformance.java
   what,s more , MaxDirectMemorySize dont work for memory hold by mmap file . 
   

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