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  • ubuntu16 安装elasticsearch6.3问题

    1.ubuntu16 安装elasticsearch6.3

    elasticsearch 6.3需要的java的版本是1.8以上

    安装java1.8 详见本博客的安装java https://www.cnblogs.com/youran-he/p/8607155.html

    2.官网下载.tar.gz包

    tar -zxvf elasticsearch-*-*

    3.运行时出现如下错误

    ERROR: [1] bootstrap checks failed max number of threads [2048] for user [elastic] is too low, increase to at least [4096]

    是因为在环境设置了这个问题

    初次之外需要配置

    elastic@dell-PowerEdge-T30:/usr/local/src/elasticsearch-6.3.2$ cat /etc/security/limits.conf
    # /etc/security/limits.conf
    #
    #Each line describes a limit for a user in the form:
    #
    #<domain>        <type>  <item>  <value>
    #
    #Where:
    #<domain> can be:
    #        - a user name
    #        - a group name, with @group syntax
    #        - the wildcard *, for default entry
    #        - the wildcard %, can be also used with %group syntax,
    #                 for maxlogin limit
    #        - NOTE: group and wildcard limits are not applied to root.
    #          To apply a limit to the root user, <domain> must be
    #          the literal username root.
    #
    #<type> can have the two values:
    #        - "soft" for enforcing the soft limits
    #        - "hard" for enforcing hard limits
    #
    #<item> can be one of the following:
    #        - core - limits the core file size (KB)
    #        - data - max data size (KB)
    #        - fsize - maximum filesize (KB)
    #        - memlock - max locked-in-memory address space (KB)
    #        - nofile - max number of open files
    #        - rss - max resident set size (KB)
    #        - stack - max stack size (KB)
    #        - cpu - max CPU time (MIN)
    #        - nproc - max number of processes
    #        - as - address space limit (KB)
    #        - maxlogins - max number of logins for this user
    #        - maxsyslogins - max number of logins on the system
    #        - priority - the priority to run user process with
    #        - locks - max number of file locks the user can hold
    #        - sigpending - max number of pending signals
    #        - msgqueue - max memory used by POSIX message queues (bytes)
    #        - nice - max nice priority allowed to raise to values: [-20, 19]
    #        - rtprio - max realtime priority
    #        - chroot - change root to directory (Debian-specific)
    #
    #<domain>      <type>  <item>         <value>
    #

    #*               soft    core            0
    #root            hard    core            100000
    #*               hard    rss             10000
    #@student        hard    nproc           20
    #@faculty        soft    nproc           20
    #@faculty        hard    nproc           50
    #ftp             hard    nproc           0
    #ftp             -       chroot          /ftp
    #@student        -       maxlogins       4

    # End of file
    * soft memlock unlimited
    * hard memlock unlimited
    * hard nofile 65536
    * soft nofile 65536
    * soft nproc 4096
    * hard nproc 4096
    切换用户之后运行

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  • 原文地址:https://www.cnblogs.com/youran-he/p/9391744.html
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