Elasticsearch6.7部署帮助手册
校验时间：2023年12月19日
安装前准备
安装包
elasticsearch-6.7.2.tar.gzelasticsearch-analysis-dynamic-synonym-6.7.2.zipelasticsearch-analysis-ik-6.7.2.zipelasticsearch-analysis-pinyin-6.7.2.zipjdk1.8.0_161.tgz
插件安装参考：ES插件安装帮助说明
安装要求
命令
netstat -lntp 2>/dev/null|grep LISTEN|awk '{print $4}'|awk -F':' '{print $NF}'|sort|uniq查询已经占用的端口
机器要求与大数据机器模板相同
以下是补充：
锁定内存,修改最大文件描述符,最大线程数
vim /etc/security/limits.d/90-nproc.conf
确保：
nproc >= 20480
nofile >= 65536
增加：
* - memlock unlimited
内核参数
vim /etc/sysctl.conf
确保增加以下参数配置：
vm.zone_reclaim_mode = 0
net.ipv4.ip_local_reserved_ports=9500-9702
net.ipv4.ip_local_port_range = 10000 65000
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 1
vm.swappiness=0
vm.overcommit_memory=1
vm.zone_reclaim_mode=0
vm.max_map_count=262144
更改内核后完成后执行命令：sysctl -p生效
部署规划
采用master与data分离部署方式
集群A
| 服务器Host | master | data | Cluster |
|---|---|---|---|
| es01 | yes | yes | A |
| es02 | yes | yes | A |
| es03 | yes | yes | A |
集群B
| 服务器Host | master | data | Cluster |
|---|---|---|---|
| es04 | yes | yes | B |
| es05 | yes | yes | B |
| es06 | yes | yes | B |
端口规划
纯master角色节点：TCP端口：9201，HTTP端口：9200。
纯data角色节点：TCP端口：9301，HTTP端口：9300。
用户规划
groupadd -g 750 es;
useradd -u 750 -g 750 es;
目录规划
将空间大的目录软链接到home的子目录下，比如/opt或者/data。此文档采用/data目录为例：
-
用户目录
/home/es/software链接至/data/elasticsearch/software -
数据目录
/home/es/data链接至/data/elasticsearch/data -
日志目录
/home/es/logs链接至/data/elasticsearch/logs
安装步骤
在操作之前安装包已经分发到各个服务器的/data/install_package目录。权限为755。
root命令执行命令
chmod 755 -R /data/install_package/
# 1.新建用户与用户组
groupadd -g 750 es;
useradd -u 750 -g 750 es;
# 2.准备目录
mkdir -p /data/elasticsearch;
chown -R es:es /data/elasticsearch/;
以下开始使用es用户执行命令
su - es;
mkdir -p /data/elasticsearch/software;
mkdir -p /data/elasticsearch/logs;
mkdir -p /data/elasticsearch/data;
# master的元数据存储目录
mkdir -p /data/elasticsearch/masterdata;
ln -snf /data/elasticsearch/software /home/es/software;
ln -snf /data/elasticsearch/logs /home/es/logs;
ln -snf /data/elasticsearch/masterdata /home/es/masterdata;
# master角色节点的配置文件目录
mkdir -p /home/es/software/config-master;
# node角色节点的配置文件目录
mkdir -p /home/es/software/config-dnode0;
# 3.将安装包解压至software目录并配置软链接
tar -zxf /data/install_package/jdk1.8.0_161.tgz -C /home/es/software/;
tar -zxf /data/install_package/elasticsearch-6.7.2.tar.gz -C /home/es/software/;
ln -snf /home/es/software/jdk1.8.0_161 /home/es/software/java;
ln -snf /home/es/software/elasticsearch-6.7.2 /home/es/software/elasticsearch;
每个服务器配置JDK
su - es;
vim /home/es/.bashrc;
# 在.bashrc文件中追加以下内容
export JAVA_HOME=/home/es/software/java
export PATH=$JAVA_HOME/bin:$PATH
# 配置生效
source /home/es/.bashrc;
# 检查jdk
java -version;
配置文件
master角色
ssh root@192.168.1.1 "su - es -c 'cp /home/es/software/elasticsearch-6.7.2/config/* /home/es/software/config-master/'";
ssh root@192.168.1.3 "su - es -c 'cp /home/es/software/elasticsearch-6.7.2/config/* /home/es/software/config-master/'";
ssh root@192.168.1.2 "su - es -c 'cp /home/es/software/elasticsearch-6.7.2/config/* /home/es/software/config-master/'";
修改配置文件
vim config-master/elasticsearch.yml
cluster.name: demo-ccr-1
node.name: 192.168.1.1-master
node.master: true
node.data: false
node.max_local_storage_nodes: 3
path.data: /home/es/masterdata
path.logs: /home/es/logs/es
bootstrap.memory_lock: true
bootstrap.system_call_filter: false
network.host: 192.168.1.1
http.port: 9200
transport.tcp.port: 9201
discovery.zen.ping.unicast.hosts: ["192.168.1.1:9201","192.168.1.2:9201","192.168.1.:9201"]
discovery.zen.minimum_master_nodes: 2
discovery.zen.fd.connect_on_network_disconnect: true
discovery.zen.ping_timeout: 30s
discovery.zen.fd.ping_timeout: 120s
discovery.zen.fd.ping_retries: 6
discovery.zen.fd.ping_interval: 5s
gateway.expected_nodes: 3
gateway.expected_master_nodes: 3
gateway.expected_data_nodes: 3
gateway.recover_after_time: 5m
gateway.recover_after_nodes: 2
gateway.recover_after_master_nodes: 2
gateway.recover_after_data_nodes: 2
action.destructive_requires_name: true
vim config-master/jvm.options
sed -i "s|\${role_name}|master|g" software/config-master/jvm.options &>> tt.log
#SIT环境
-Xms4g
-Xmx4g
# PRD环境
-Xms31g
-Xmx31g
vim config-master/log4j2.properties
sed -i "s|\${role_name}|master|g" software/config-master/log4j2.properties &>> tt.log
rm -f tt.log
node角色
ssh root@192.168.1.1 "su - es -c 'cp /home/es/software/elasticsearch/config/* /home/es/software/config-dnode0/'";
ssh root@192.168.1.2 "su - es -c 'cp /home/es/software/elasticsearch/config/* /home/es/software/config-dnode0/'";
ssh root@192.168.1.3 "su - es -c 'cp /home/es/software/elasticsearch/config/* /home/es/software/config-dnode0/'";
修改配置文件
vim config-dnode0/elasticsearch.yml
cluster.name: demo-ccr-1
node.name: 192.168.1.1-dnode0
node.master: false
node.data: true
node.max_local_storage_nodes: 3
path.data: /data/elasticsearch/data/dnode0
path.logs: /home/es/logs/es
bootstrap.memory_lock: true
bootstrap.system_call_filter: false
network.host: 192.168.1.1
http.port: 9300
transport.tcp.port: 9301
discovery.zen.ping.unicast.hosts: ["192.168.1.1:9201","192.168.1.2:9201","192.168.1.:9201"]
discovery.zen.minimum_master_nodes: 2
discovery.zen.fd.connect_on_network_disconnect: true
discovery.zen.ping_timeout: 30s
discovery.zen.fd.ping_timeout: 120s
discovery.zen.fd.ping_retries: 6
discovery.zen.fd.ping_interval: 5s
gateway.expected_nodes: 3
gateway.expected_master_nodes: 3
gateway.expected_data_nodes: 3
gateway.recover_after_time: 5m
gateway.recover_after_nodes: 2
gateway.recover_after_master_nodes: 2
gateway.recover_after_data_nodes: 2
action.destructive_requires_name: true
vim config-dnode0/jvm.options
sed -i "s|\${role_name}|dnode0|g" config-dnode0/jvm.options &>> tt.log
#SIT环境
-Xms4g
-Xmx4g
# PRD环境
-Xms31g
-Xmx31g
vim config-dnode0/log4j2.properties
sed -i "s|\${role_name}|dnode0|g" config-dnode0/log4j2.properties &>> tt.log
rm -f tt.log
启动与停止
es-daemon.sh并非官网脚本。
启动
首次启动
先启动所有的master，在启动dnode1
su - es;
cd /home/es/software/elasticsearch/bin/;
sh es-daemon.sh start master;
su - es;
cd /home/es/software/elasticsearch/bin/;
sh es-daemon.sh start dnode0
检查
查询节点是否正常
curl 'http://ip:http端口'
curl 'http://192.168.1.1:9200'
如果返回
{
"name" : "192.168.1.1-dnode0",
"cluster_name" : "demo-ccr-1",
"cluster_uuid" : "CjcavbOjQPeymec-GOJgVA",
"version" : {
"number" : "6.7.2",
"build_flavor" : "default",
"build_type" : "tar",
"build_hash" : "Unknown",
"build_date" : "Unknown",
"build_snapshot" : true,
"lucene_version" : "7.7.0",
"minimum_wire_compatibility_version" : "5.6.0",
"minimum_index_compatibility_version" : "5.0.0"
},
"tagline" : "You Know, for Search"
}
则表示启动成功，其余情况，则可能存在问题。
查询集群整体健康文章来源：https://www.toymoban.com/news/detail-773227.html
curl 'http://192.168.1.1:9200/_cat/health?v'
如果返回值中：status值为green，则表示启动成功，其余情况，则可能存在问题文章来源地址https://www.toymoban.com/news/detail-773227.html
停止
su - es;
cd /home/es/software/elasticsearch/bin/;
sh es-daemon.sh stop master
su - es;
cd /home/es/software/elasticsearch/bin/;
sh es-daemon.sh stop dnode1
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