运行elasticsearch报错解决

docker 运行elasticsearch6.2.4时报错：

ERROR: [1] bootstrap checks failed
[1]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

解决：

查看
sysctl vm.max_map_count

设置：
sysctl -w vm.max_map_count=262144

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