标签：map ring ref desc max attribute 地址 version pat
1、 java 安装 环境变量设置
jdk 下载地址 https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
下载 解压 放到 /usr/local/java 目下下
环境变量设置, 最后面添加如下三行
vim /etc/profile
export JAVA_HOME=/usr/local/java/ export CLASSPATH=.:$JAVA_HOME/jre/lib/rt.jar:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar export PATH=$JAVA_HOME/bin:$PATH
source /etc/profile
测试
[root@lc3q ~]# java -version java version "1.8.0_181" Java(TM) SE Runtime Environment (build 1.8.0_181-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)
2、elasticsearch 搭建
wget wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.3.2.tar.gz
tar -zxf elasticsearch-6.3.2.tar.gz
mv elasticsearch-6.3.2 /usr/local/
ln -s elasticsearch-6.3.2/ elasticsearch
创建一个 非root 用户 elastic 启动服务
useradd elastic
chown -R /usr/local/elasticsearch-6.3.2/
启动elasticsearch
/usr/local/elasticsearch/bin/elasticsearch
报错1
[1]: max file descriptors [4096] for elasticsearch process is too low, increase to at least [65536]
解决
vim /etc/security/limits.conf
elastic hard nofile 65536
elastic soft nofile 65536
报错2
[2]memory locking requested for elasticsearch process but memory is not locked
解决:
elastic soft memlock unlimited
elastic hard memlock unlimited
报错3
[1]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
解决:
vim /etc/sysctl.conf
vm.max_map_count=655360
wq
sysctl -p 生效
标签：map ring ref desc max attribute 地址 version pat
原文地址：https://www.cnblogs.com/blogscc/p/9413363.html
