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  • ES安装&常见错误

    ES常见错误

    案例一

    [2018-06-20T02:35:47,152][INFO ][o.e.b.BootstrapChecks ] [SUcoFrg] bound or publishing to a non-loopback address, enforcing bootstrap checks
    ERROR: [3] bootstrap checks failed
    [1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]
    [2]: max number of threads [3802] for user [elsearch] is too low, increase to at least [4096]
    [3]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
    [2018-06-20T02:35:47,170][INFO ][o.e.n.Node ] [SUcoFrg] stopping ...
    [2018-06-20T02:35:47,316][INFO ][o.e.n.Node ] [SUcoFrg] stopped
    [2018-06-20T02:35:47,316][INFO ][o.e.n.Node ] [SUcoFrg] closing ...
    [2018-06-20T02:35:47,336][INFO ][o.e.n.Node ] [SUcoFrg] closed

    原因:虚拟机限制用户的执行内存
    解决:
    [1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]

    [2]: max number of threads [3802] for user [elsearch] is too low, increase to at least [4096]

    step1:修改安全限制配置文件


    su root
    vi /etc/security/limits.conf
    备注:使用最高权限 修改安全配置 在文件末尾加入
    # End of file
    elsearch hard nofile 65536
    elsearch soft nofile 65536
    * soft nproc 4096
    * hard nproc 4096
    备注: elsearch为用户名 可以是使用*进行通配
    nofile 最大打开文件数目
    nproc 最大打开线程数目

    [3]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

    step2:修改系统配置文件


    vi /etc/sysctl.conf
    备注:行末加上vm.max_map_count = 655360 ,esc +:wq保存退出
    vm.max_map_count = 655360
    备注:vm.max_map_count = 655360 值大于错误提示值


    step3:重启


    su elsearch
    /elasticsearch-6.3.0/bin/elasticsearch

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  • 原文地址:https://www.cnblogs.com/danmao/p/11154181.html
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