centos6安装elasticsearch6.0
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/...
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