3回答

• 

  瓦力老师

  2017-11-13 13:05:30

  重点看error信息：Cannot allocate memory，这是你的内存不够导致的，默认是2G，如果机器内存较小的话，可以调整config/jvm.options里的JVM内存参数,比如可以设定512MB，-Xmx512mb -Xms512mb 具体可以根据自己的机器调整

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• 

  翔宝大毛团

  2019-03-26 21:45:35

  elasticsearch6.6.2的config/jvm.options配置如果写成-Xms512mb；-Xmx512mb

  这样会报错

  

  如果写成-Xms512m；-Xmx512m单位没有b的话就正常启动了

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• 

  qq_想象中_03627814

  2017-11-11 13:11:57

  Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00007f82e6000000, 33554432, 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 33554432 bytes for committing reserved memory.
  # An error report file with more information is saved as:
  # /root/elasticsearch-5.5.3/hs_err_pid3028.log
  
  

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