elasticsearch 报错 ERROR: bootstrap checks failed max virtual memory areas vm.max_map_count [65530] is

Solution: 
1. Switch to the root user to modify the configuration sysctl.conf

vi /etc/sysctl.conf 

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Add the following configuration:

vm.max_map_count=655360

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and execute the command:

sysctl -p

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Then, restart elasticsearch to start successfully.