轉-react原始碼分析-設計思路與流程架構
阿新 • • 發佈:2020-09-10
首先安裝jdk
環境說明:三臺百度雲伺服器,內網IP分別為:192.168.32.36、192.168.32.37、192.168.32.38, 不開放公網IP訪問
分別在三臺伺服器上執行以下操作:
1.建立目錄及下載解壓(下載速度很慢)
cd /usr/local/ mkdir elasticsearch cd elasticsearch wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.9.1-linux-x86_64.tar.gz wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.9.1-linux-x86_64.tar.gz.sha512 yum install perl-Digest-SHA shasum -a 512 -c elasticsearch-7.9.1-linux-x86_64.tar.gz.sha512 tar -xzf elasticsearch-7.9.1-linux-x86_64.tar.gz mkdir -p /data/elasticsearch/data mkdir -p /data/elasticsearch/logs
2.設定使用者和許可權
groupadd elasticsearch useradd elasticsearch -g elasticsearch chown -R elasticsearch:elasticsearch /usr/local/elasticsearch/ chown -R elasticsearch:elasticsearch /data/elasticsearch/
3.編輯配置檔案
cd /usr/local/elasticsearch/elasticsearch-7.9.1/config vim elasticsearch.yml # 新增或修改以下內容 cluster.name: elsearch-cluster node.name: node-1 # 每臺不一樣 path.data: /data/elasticsearch/data path.logs: /data/elasticsearch/logs bootstrap.memory_lock: true network.host: 192.168.32.36 # 每臺不一樣 http.port: 9200 discovery.seed_hosts: ["192.168.32.36", "192.168.32.37", "192.168.32.38"] cluster.initial_master_nodes: ["node-1", "node-2", "node-3"] vim jvm.options # 修改以下內容 建議為伺服器記憶體的一半 -Xms8g -Xmx8g
4.設定一些其他引數
echo "elasticsearch - nofile 65535" >> /etc/security/limits.conf echo "elasticsearch soft memlock unlimited" >> /etc/security/limits.conf echo "elasticsearch hard memlock unlimited" >> /etc/security/limits.conf echo "vm.swappiness=1" >> /etc/sysctl.conf echo "vm.max_map_count=262144" >> /etc/sysctl.conf 設定完成後需要重啟
5.新增到服務管理
vim /usr/lib/systemd/system/elasticsearch.service # 新增以下內容 [Unit] Description=elasticsearch-7.9.1 service After=syslog.target network.target [Service] Type=forking TimeoutSec=120 User=elasticsearch Environment=JAVA_HOME=/usr/local/java/jdk1.8.0_261 LimitMEMLOCK=infinity ExecStart=/usr/local/elasticsearch/elasticsearch-7.9.1/bin/elasticsearch -d -p /usr/local/elasticsearch/elasticsearch-7.9.1/elsearch.pid ExecStop=/usr/bin/pkill -F /usr/local/elasticsearch/elasticsearch-7.9.1/elsearch.pid [Install] WantedBy=multi-user.target
6.設定服務生效及開機自啟動
systemctl daemon-reload systemctl enable elasticsearch.service
7.啟動elasticsearch
systemctl start elasticsearch systemctl status elasticsearch