Elasticsearch6.7部署幫助手冊

校驗時間：2023年12月19日

安裝前準(zhǔn)備

安裝包

• elasticsearch-6.7.2.tar.gz
• elasticsearch-analysis-dynamic-synonym-6.7.2.zip
• elasticsearch-analysis-ik-6.7.2.zip
• elasticsearch-analysis-pinyin-6.7.2.zip
• jdk1.8.0_161.tgz

插件安裝參考：ES插件安裝幫助說明

安裝要求

命令netstat -lntp 2>/dev/null|grep LISTEN|awk '{print $4}'|awk -F':' '{print $NF}'|sort|uniq查詢已經(jīng)占用的端口

機器要求與大數(shù)據(jù)機器模板相同

以下是補充：

鎖定內(nèi)存,修改最大文件描述符,最大線程數(shù)

vim /etc/security/limits.d/90-nproc.conf

確保：

nproc >= 20480
nofile >= 65536

增加：

* - memlock unlimited

內(nèi)核參數(shù)

vim /etc/sysctl.conf

確保增加以下參數(shù)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

更改內(nèi)核后完成后執(zhí)行命令：sysctl -p生效

部署規(guī)劃

采用master與data分離部署方式

集群A

集群B

端口規(guī)劃

純master角色節(jié)點：TCP端口：9201，HTTP端口：9200。

純data角色節(jié)點：TCP端口：9301，HTTP端口：9300。

用戶規(guī)劃

groupadd -g 750 es;
useradd -u 750 -g 750 es;

目錄規(guī)劃

將空間大的目錄軟鏈接到home的子目錄下，比如/opt或者/data。此文檔采用/data目錄為例：

• 用戶目錄

  /home/es/software 鏈接至 /data/elasticsearch/software

• 數(shù)據(jù)目錄

  /home/es/data鏈接至 /data/elasticsearch/data

• 日志目錄

  /home/es/logs鏈接至 /data/elasticsearch/logs

安裝步驟

在操作之前安裝包已經(jīng)分發(fā)到各個服務(wù)器的/data/install_package目錄。權(quán)限為755。

root命令執(zhí)行命令

chmod 755 -R /data/install_package/
# 1.新建用戶與用戶組
groupadd -g 750 es;
useradd -u 750 -g 750 es;
# 2.準(zhǔn)備目錄
mkdir -p /data/elasticsearch;
chown -R es:es /data/elasticsearch/;

以下開始使用es用戶執(zhí)行命令

su - es;
mkdir -p /data/elasticsearch/software;
mkdir -p /data/elasticsearch/logs;
mkdir -p /data/elasticsearch/data;
# master的元數(shù)據(jù)存儲目錄
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角色節(jié)點的配置文件目錄
mkdir -p /home/es/software/config-master;
# node角色節(jié)點的配置文件目錄
mkdir -p /home/es/software/config-dnode0;

# 3.將安裝包解壓至software目錄并配置軟鏈接
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;

每個服務(wù)器配置JDK

su - es;
vim /home/es/.bashrc;
# 在.bashrc文件中追加以下內(nèi)容
export JAVA_HOME=/home/es/software/java
export PATH=$JAVA_HOME/bin:$PATH

# 配置生效
source /home/es/.bashrc;
# 檢查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環(huán)境
-Xms4g
-Xmx4g
# PRD環(huán)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環(huán)境
-Xms4g
-Xmx4g
# PRD環(huán)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

啟動與停止

es-daemon.sh并非官網(wǎng)腳本。

啟動

首次啟動

先啟動所有的master，在啟動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

檢查

查詢節(jié)點是否正常

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"
}

則表示啟動成功，其余情況，則可能存在問題。

查詢集群整體健康

curl 'http://192.168.1.1:9200/_cat/health?v'

如果返回值中：status值為green，則表示啟動成功，其余情況，則可能存在問題文章來源地址http://www.zghlxwxcb.cn/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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