1:安装包
链接:https://pan.baidu.com/s/1-sohDpOA-8qh58miRPh8AQ
提取码:ukz3
安装包解压到自己的目录:
2:启动问题 (注意 es 只能用非root用户启动)
问题一: Elasticsearch启动报/usr/local/elasticsearch-6.2.2/logs/spring-boot.log (权限不够)
解决: (1) 切换到root用户 su root (2) 到elasticsearch-6.2.2的上一级目录,授予权限
chown -R es:es elasticsearch-6.6.9/ ,我的用于启动 es 的用户 就是 es;
问题二:(1) 1、max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]
(2) max number of threads [3818] for user [es] is too low, increase to at least [4096]
解决:每个进程最大同时打开文件数太小,可通过下面2个命令查看当前数量 ulimit -Hn,ulimit -Sn
修改/etc/security/limits.conf文件,增加配置,用户退出后重新登录生效
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