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Elasticsearch之docker部署+ik分词器

Docker部署

单点

docker run -d --name es -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" -v es:/usr/share/elasticsearch/data  elasticsearch:7.2.1

集群

用docker-compose部署集群
docker-compose.yml

version: '3.1'
services:
  es01:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.2.1
    container_name: es01
    environment:
      - node.name=es01
      - discovery.seed_hosts=es02
      - cluster.initial_master_nodes=es01,es02
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - esdata01:/usr/share/elasticsearch/data
    ports:
      - 9200:9200
    networks:
      - esnet
  es02:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.2.1
    container_name: es02
    environment:
      - node.name=es02
      - discovery.seed_hosts=es01
      - cluster.initial_master_nodes=es01,es02
      - cluster.name=docker-cluster
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - esdata02:/usr/share/elasticsearch/data
    networks:
      - esnet

volumes:
  esdata01:
    driver: local
  esdata02:
    driver: local

networks:
  esnet:

终端运行

docker-compose up
docker-compose up -d

安装ik分词插件:

集群

// 集群
docker-compose exec es01 elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v7.2.1/elasticsearch-analysis-ik-7.2.1.zip
docker-compose exec es02 elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v7.2.1/elasticsearch-analysis-ik-7.2.1.zip
//然后要重启es容器
docker-compose restart es01
docker-compose restart es02

单点

// 进入容器es
docker exec -it es /bin/bash
// 使用bin目录下的elasticsearch-plugin install安装ik插件
bin/elasticsearch-plugin install https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v7.2.1/elasticsearch-analysis-ik-7.2.1.zip
// 再重启下容器
docker restart es

提示:其他方式安装IK

验证分词插件是否安装成功

// 增加一个叫test001的索引
curl -X PUT http://localhost:9200/test001
// 成功返回 {"acknowledged":true,"shards_acknowledged":true,"index":"test001"}

// ik_smart分词
curl -X POST \
'http://127.0.0.1:9200/test001/_analyze?pretty=true' \
-H 'Content-Type: application/json' \
-d '{"text":"我们是软件工程师","tokenizer":"ik_smart"}'

// ik_max_word分词
curl -X POST \
'http://127.0.0.1:9200/test001/_analyze?pretty=true' \
-H 'Content-Type: application/json' \
-d '{"text":"我们是软件工程师","tokenizer":"ik_max_word"}'

返回结果

Elasticsearch之docker部署+ik分词器
ik_smart分词
Elasticsearch之docker部署+ik分词器
ik_max_word分词

可以看到ik_max_word分词更精细。

辅助文档:

vm.max_map_count [65530] is too low

run容器后状态为restarting

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