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
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[root@elasticsearch ~] # cat /etc/security/limits.d/90-nproc.conf
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# Default limit for number of user's processes to prevent
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# accidental fork bombs.
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# See rhbz #432903 for reasoning.
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* soft nproc 1024
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root soft nproc unlimited
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elasticsearch soft nofile 655360
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elasticsearch hard nofile 655360
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elasticsearch soft nproc 655360
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elasticsearch hard nproc 655360
修改内核参数配置
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[root@elasticsearch ~]
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[root@elasticsearch ~]
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net.ipv4.ip_forward = 0
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net.ipv4.conf. default.rp_filter = 1
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net.ipv4.conf. default.accept_source_route = 0
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kernel.sysrq = 0
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kernel.core_uses_pid = 1
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net.ipv4.tcp_syncookies = 1
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error: "net.bridge.bridge-nf-call-ip6tables" is an unknown key
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error: "net.bridge.bridge-nf-call-iptables" is an unknown key
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error: "net.bridge.bridge-nf-call-arptables" is an unknown key
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kernel.msgmnb = 65536
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kernel.msgmax = 65536
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kernel.shmmax = 68719476736
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kernel.shmall = 4294967296
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vm.max_map_count = 655360
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[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
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[elasticsearch
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elasticsearch- 6.0.0.tar.gz jdk-8u121-linux-x64.tar.gz x-pack-6.0.0.zip
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[elasticsearch
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/home/elasticsearch/software
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[elasticsearch
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[elasticsearch
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elasticsearch- 6.0.0.tar.gz jdk1.8.0_121 jdk-8u121-linux-x64.tar.gz x-pack-6.0.0.zip
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[elasticsearch
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# .bashrc
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# Source global definitions
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if [ -f /etc/bashrc ]; then
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. /etc/bashrc
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fi
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# User specific aliases and functions
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JAVA_HOME= '/home/elasticsearch/software/jdk1.8.0_121'
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JRE_HOME= "$JAVA_HOME/jre"
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CLASSPATH= ".:$JAVA_HOME/lib/:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/tools.jar"
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PATH= "$JAVA_HOME/bin:$JRE_HOME/bin:$PATH"
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export JAVA_HOME JRE_HOME PATH CLASSPATH
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[elasticsearch
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[elasticsearch
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java version "1.8.0_121"
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Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
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Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)
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[elasticsearch
安装elasticsearch
安装相关软件包
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[elasticsearch @elasticsearch software]$ tar -xf elasticsearch-6.0.0.tar.gz
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[elasticsearch @elasticsearch software]$ ls
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[elasticsearch
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[elasticsearch @elasticsearch elasticsearch-6.0.0]$ echo 'bootstrap.system_call_filter: false'
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[elasticsearch @elasticsearch elasticsearch-6.0.0]$ tail config/elasticsearch.yml
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# For more information, consult the gateway module documentation.
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#
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# ---------------------------------- Various -----------------------------------
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#
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# Require explicit names when deleting indices:
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#
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#action.destructive_requires_name: true
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network. host: 0.0.0.0
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bootstrap. system_call_filter: false
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[elasticsearch @elasticsearch elasticsearch-6.0.0]$
启动服务
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[elasticsearch@elasticsearch elasticsearch- 6.0.0]$ ./bin/elasticsearch -d
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[elasticsearch@elasticsearch elasticsearch- 6.0.0]$ ps -ef | grep elastic
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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
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503 1626 1532 0 18:41 pts/0 00:00:00 grep elastic
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[elasticsearch@elasticsearch elasticsearch-6.0.0]$
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查看集群状态信息
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[ elasticsearch@elasticsearch elasticsearch-6.0.0]$ curl 'http://localhost:9200/_cat/health?v'
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epoch timestamp cluster status node.total node.data shards pri relo init unassign pending_tasks max_task_wait_time active_shards_percent
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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
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[root@elasticsearch ~] # cat /etc/security/limits.d/90-nproc.conf
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# Default limit for number of user's processes to prevent
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# accidental fork bombs.
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# See rhbz #432903 for reasoning.
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* soft nproc 1024
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root soft nproc unlimited
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elasticsearch soft nofile 655360
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elasticsearch hard nofile 655360
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elasticsearch soft nproc 655360
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elasticsearch hard nproc 655360
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[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
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[root@elasticsearch ~]
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[root@elasticsearch ~]
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net.ipv4.ip_forward = 0
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net.ipv4.conf. default.rp_filter = 1
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net.ipv4.conf. default.accept_source_route = 0
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kernel.sysrq = 0
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kernel.core_uses_pid = 1
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net.ipv4.tcp_syncookies = 1
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error: "net.bridge.bridge-nf-call-ip6tables" is an unknown key
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error: "net.bridge.bridge-nf-call-iptables" is an unknown key
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error: "net.bridge.bridge-nf-call-arptables" is an unknown key
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kernel.msgmnb = 65536
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kernel.msgmax = 65536
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kernel.shmmax = 68719476736
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kernel.shmall = 4294967296
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vm.max_map_count = 655360
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[root@elasticsearch ~]
参考文档
elasticsearch官方文档：https://www.elastic.co/guide/...