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elasticsearch启动常见的几个报错

elasticsearch启动常见的几个报错

作者: 徐大力Bear | 来源:发表于2019-02-12 16:24 被阅读0次

    [1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]
    切换到root用户,编辑limits.conf添加如下内容
    vi /etc/security/limits.conf
    * soft nofile 65536
    * hard nofile 65536

    [2]: max number of threads [3818] for user [es] is too low, increase to at least [4096]
    最大线程个数太低。修改配置文件etc/security/limits.conf,增加配置
    * soft nproc 4096
    * hard nproc 4096

    [3]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
    修改/etc/sysctl.conf文件,增加配置vm.max_map_count=262144
    vi /etc/sysctl.conf
    sysctl -p
    执行命令sysctl -p生效

    [4]: system call filters failed to install; check the logs and fix your configuration or disable system call filters at your own risk
    问题原因:因为Centos6不支持SecComp,而ES5.2.1默认bootstrap.system_call_filter为true进行检测,所以导致检测失败,失败后直接导致ES不能启动
    解决方法:在elasticsearch.yml中配置bootstrap.system_call_filter为false,注意要在Memory下面:
    bootstrap.memory_lock: false
    bootstrap.system_call_filter: false

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