telephone6 opened a new issue #2135:
URL: https://github.com/apache/rocketmq/issues/2135


   when I run the command 'sh broker' of rocketmq-all-4.7.1-bin-release/bin, I 
find the memory usage is more and more bigger.A moments later ,the console 
shows :
   
   Java HotSpot(TM) 64-Bit Server VM warning: INFO: 
os::commit_memory(0x00000000c0000000, 805306368, 0) failed; error='Cannot 
allocate memory' (errno=12)
   #
   # There is insufficient memory for the Java Runtime Environment to continue.
   # Native memory allocation (mmap) failed to map 805306368 bytes for 
committing reserved memory.
   # An error report file with more information is saved as:
   # /home/luoxw/rocketmq-all-4.7.1-bin-release/bin/hs_err_pid3509.log
   
   But the version 4.3.2 of RocketMQ has no such problem.
   So the latest version of RocketMQ may has something wrong with a memory-leak 
BUG.
   Hope to find and solve it quickly if u can see the issue.


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