elasticsearch概念解释参照： https://segmentfault.com/a/11...
环境准备
1台centos6操作系统主机，关闭selinux及iptables
官方下载elasticsearch6.0软件包： https://artifacts.elastic.co/...
官方下载java1.8软件包： http://www.oracle.com/technet...
系统配置
创建elasticsearch账户用于启动elasticsearch服务
[root@elasticsearch ~]# useradd elasticsearch
修改系统ulimit并重启
[root@elasticsearch ~]# cat /etc/security/limits.d/90-nproc.conf # Default limit for number of user's processes to prevent # accidental fork bombs. # See rhbz #432903 for reasoning. * soft nproc 1024 root soft nproc unlimited elasticsearch soft nofile 655360 elasticsearch hard nofile 655360 elasticsearch soft nproc 655360 elasticsearch hard nproc 655360
修改内核参数配置
[root@elasticsearch ~]# echo 'vm.max_map_count = 655360' >> /etc/sysctl.conf [root@elasticsearch ~]# sysctl -p net.ipv4.ip_forward = 0 net.ipv4.conf.default.rp_filter = 1 net.ipv4.conf.default.accept_source_route = 0 kernel.sysrq = 0 kernel.core_uses_pid = 1 net.ipv4.tcp_syncookies = 1 error: "net.bridge.bridge-nf-call-ip6tables" is an unkNown key error: "net.bridge.bridge-nf-call-iptables" is an unkNown key error: "net.bridge.bridge-nf-call-arptables" is an unkNown key kernel.msgmnb = 65536 kernel.msgmax = 65536 kernel.shmmax = 68719476736 kernel.shmall = 4294967296 vm.max_map_count = 655360 [root@elasticsearch ~]#
安装java并配置环境变量，jdk版本以实际下载的版本为准
[elasticsearch@elasticsearch software]$ ls
elasticsearch-6.0.0.tar.gz jdk-8u121-linux-x64.tar.gz x-pack-6.0.0.zip
[elasticsearch@elasticsearch software]$ pwd
/home/elasticsearch/software
[elasticsearch@elasticsearch software]$ tar -xf jdk-8u121-linux-x64.tar.gz
[elasticsearch@elasticsearch software]$ ls
elasticsearch-6.0.0.tar.gz jdk1.8.0_121 jdk-8u121-linux-x64.tar.gz x-pack-6.0.0.zip
[elasticsearch@elasticsearch software]$ cat ~/.bashrc
# .bashrc
# Source global deFinitions
if [ -f /etc/bashrc ]; then
. /etc/bashrc
fi
# User specific aliases and functions
JAVA_HOME='/home/elasticsearch/software/jdk1.8.0_121'
JRE_HOME="$JAVA_HOME/jre"
CLAsspATH=".:$JAVA_HOME/lib/:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/tools.jar"
PATH="$JAVA_HOME/bin:$JRE_HOME/bin:$PATH"
export JAVA_HOME JRE_HOME PATH CLAsspATH
[elasticsearch@elasticsearch software]$ source ~/.bashrc
[elasticsearch@elasticsearch software]$ java -version
java version "1.8.0_121"
Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13,mixed mode)
[elasticsearch@elasticsearch software]$
安装elasticsearch
安装相关软件包
[elasticsearch@elasticsearch software]$ tar -xf elasticsearch-6.0.0.tar.gz [elasticsearch@elasticsearch software]$ ls elasticsearch-6.0.0 elasticsearch-6.0.0.tar.gz jdk1.8.0_121 jdk-8u121-linux-x64.tar.gz x-pack-6.0.0.zip [elasticsearch@elasticsearch software]$ cd elasticsearch-6.0.0 [elasticsearch@elasticsearch elasticsearch-6.0.0]$ ls bin config lib LICENSE.txt modules NOTICE.txt plugins README.textile [elasticsearch@elasticsearch elasticsearch-6.0.0]$ echo 'network.host: 0.0.0.0' >> config/elasticsearch.yml [elasticsearch@elasticsearch elasticsearch-6.0.0]$ echo 'bootstrap.system_call_filter: false' >> config/elasticsearch.yml [elasticsearch@elasticsearch elasticsearch-6.0.0]$ tail config/elasticsearch.yml # For more information,consult the gateway module documentation. # # ---------------------------------- VarIoUs ----------------------------------- # # Require explicit names when deleting indices: # #action.destructive_requires_name: true network.host: 0.0.0.0 bootstrap.system_call_filter: false [elasticsearch@elasticsearch elasticsearch-6.0.0]$
启动服务
[elasticsearch@elasticsearch elasticsearch-6.0.0]$ ./bin/elasticsearch -d [elasticsearch@elasticsearch elasticsearch-6.0.0]$ ps -ef | grep elastic 503 1583 1 99 18:41 pts/0 00:00:13 /home/elasticsearch/software/jdk1.8.0_121/bin/java -xms1g -Xmx1g -XX:+UseConcmarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -XX:+AlwaysPretouch -server -Xss1m -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Djna.nosys=true -XX:-OmitStackTraceInFastThrow -dio.netty.noUnsafe=true -dio.netty.noKeySetoptimization=true -dio.netty.recycler.maxCapacityPerThread=0 -Dlog4j.shutdownHookEnabled=false -Dlog4j2.disable.jmx=true -XX:+HeapDumpOnOutOfMemoryError -Des.path.home=/home/elasticsearch/software/elasticsearch-6.0.0 -Des.path.conf=/home/elasticsearch/software/elasticsearch-6.0.0/config -cp /home/elasticsearch/software/elasticsearch-6.0.0/lib/* org.elasticsearch.bootstrap.Elasticsearch -d 503 1626 1532 0 18:41 pts/0 00:00:00 grep elastic [elasticsearch@elasticsearch elasticsearch-6.0.0]$
查看集群状态信息
[elasticsearch@elasticsearch elasticsearch-6.0.0]$ curl 'http://localhost:9200/_cat/health?v' epoch timestamp cluster status node.total node.data shards pri relo init unassign pending_tasks max_task_wait_time active_shards_percent 1515581011 18:43:31 elasticsearch green 1 1 0 0 0 0 0 0 - 100.0%
常见报错
disable system call filters at your own risk
[2018-01-10T18:06:35,482][WARN ][o.e.b.BootstrapChecks ] [fzP4t-4] system call filters Failed to install; check the logs and fix your configuration or disable system call filters at your own risk
添加 bootstrap.system_call_filter: false 至ES_HOME/config/elasticsearch.yml即可
max file descriptors [65535]
max file descriptors [65535] for elasticsearch process is too low,increase to at least [65536]
修改系统ulimit并重启即可，详细配置如下
[root@elasticsearch ~]# cat /etc/security/limits.d/90-nproc.conf # Default limit for number of user's processes to prevent # accidental fork bombs. # See rhbz #432903 for reasoning. * soft nproc 1024 root soft nproc unlimited elasticsearch soft nofile 655360 elasticsearch hard nofile 655360 elasticsearch soft nproc 655360 elasticsearch hard nproc 655360 [root@elasticsearch ~]# reboot
vm.max_map_count [65530] is too low
max virtual memory areas vm.max_map_count [65530] is too low,increase to at least [262144]
修改内核参数配置
[root@elasticsearch ~]# echo 'vm.max_map_count = 655360' >> /etc/sysctl.conf [root@elasticsearch ~]# sysctl -p net.ipv4.ip_forward = 0 net.ipv4.conf.default.rp_filter = 1 net.ipv4.conf.default.accept_source_route = 0 kernel.sysrq = 0 kernel.core_uses_pid = 1 net.ipv4.tcp_syncookies = 1 error: "net.bridge.bridge-nf-call-ip6tables" is an unkNown key error: "net.bridge.bridge-nf-call-iptables" is an unkNown key error: "net.bridge.bridge-nf-call-arptables" is an unkNown key kernel.msgmnb = 65536 kernel.msgmax = 65536 kernel.shmmax = 68719476736 kernel.shmall = 4294967296 vm.max_map_count = 655360 [root@elasticsearch ~]#
参考文档
elasticsearch官方文档：https://www.elastic.co/guide/...