Linux系统中安装Elasticsearch

• • 安装环境
  • 安装 JAVA 运行环境
  • 安装 Elasticsearch
  • • 下载安装包
    • 解压安装包
    • 创建es用户
    • 修改配置文件
    • 启动 Elasticsearch
    • 安装常见问题
    • • max file descriptors [4096] for elasticsearch process is too low, increase to at least [65535]
      • max number of threads [3818] for user [es] is too low, increase to at least [4096]
      • memory locking requested for elasticsearch process but memory is not locked
      • max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
      • the default discovery settings are unsuitable for production use; at least one of [discovery.seed_hosts, discovery.seed_providers, cluster.initial_master_nodes] must be configured