Docker 安装 elasticsearch

kfkfka🍀zkye2025/4/16...大约 1 分钟

Docker 安装 elasticsearch

安装

通过压缩包安装（推荐）

对于平时跑跑实验推荐用本方法，简单省心

下载安装包

wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-8.15.2-linux-x86_64.tar.gz

解压

tar -zxvf elasticsearch-8.15.2-linux-x86_64.tar.gz -C ./elastic

修改配置，允许远程访问
```
vim config/elasticsearch.yml
```
启动 elasticsearch
```
./bin/elasticsearch
```
访问 ip:9200 检验

通过 docker 安装

设置 docker network
```
docker network create elastic
```

下载 elasticsearch docker 镜像

docker pull docker.elastic.co/elasticsearch/elasticsearch:8.15.1

启动 elasticsearch 容器服务

sudo docker run \
  --name es \
  -e "http.host=0.0.0.0" \  # 允许外网访问
  -e "discovery.type=single-node" \  # 配置为单集群模式
  -e "xpack.security.enabled=false" \  # 关闭 ssl
  --net elastic \
  -p 9210:9200 \  # elasticsearch 默认端口为 9200
  -itd \
  -m 2GB \  # 配置最大内存限制，这样就不用额外设置 jvm 内存大小
  docker.elastic.co/elasticsearch/elasticsearch:8.15.1

访问 ip:9210 检验

踩坑

启动镜像服务时，出现 `exit(78)` 报错

定位报错信息

ERROR: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

报错分析

虚拟空间内存太低，至少需要分配到 262144 kb

解决方案

修改分配给 elasticsearch 的虚拟用户内存

vim /etc/sysctl.conf
# 添加 vm.max_map_count=262144
# 8388608

确认配置文件设置
```
sysctl -p
```
重新启动 elsticsearch 容器
```
sudo docker start es
```

成功

{
    "name": "087ad01f3658",
    "cluster_name": "docker-cluster",
    "cluster_uuid": "9iGY0nM9QbiIXQN8vCIQYA",
    "version": {
        "number": "8.15.1",
        "build_flavor": "default",
        "build_type": "docker",
        "build_hash": "253e8544a65ad44581194068936f2a5d57c2c051",
        "build_date": "2024-09-02T22:04:47.310170297Z",
        "build_snapshot": false,
        "lucene_version": "9.11.1",
        "minimum_wire_compatibility_version": "7.17.0",
        "minimum_index_compatibility_version": "7.0.0"
    },
    "tagline": "You Know, for Search"
}