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1.es集群搭建

docker-compose.yml

version: '3.6'
services:
  es_master_180_10:
    image: elasticsearch:7.6.1
    container_name: es_master_180_10
    environment:
      - "ES_JAVA_OPTS=-xms512m -Xmx512m"
    volumes:
      - /www/wwwroot/2007_SRM/elasticsearch/master_10/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
      - /www/wwwroot/2007_SRM/elasticsearch/master_10/data:/usr/share/elasticsearch/data
    privileged: true
    ports:
      - 9210:9200
      - 9310:9300
    networks:
      es:
        ipv4_address: 180.200.7.10
  es_slave_180_11:
    image: elasticsearch:7.6.1
    container_name: es_slave_180_11
    environment:
      - "ES_JAVA_OPTS=-xms512m -Xmx512m"
    volumes:
      - /www/wwwroot/2007_SRM/elasticsearch/slave_11/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
      - /www/wwwroot/2007_SRM/elasticsearch/slave_11/data:/usr/share/elasticsearch/data
    privileged: true
    ports:
      - 9211:9200
      - 9311:9300
    networks:
      es:
        ipv4_address: 180.200.7.11
  es_slave_180_12:
    image: elasticsearch:7.6.1
    container_name: es_slave_180_12
    environment:
      - "ES_JAVA_OPTS=-xms512m -Xmx512m"
    volumes:
      - /www/wwwroot/2007_SRM/elasticsearch/slave_12/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
      - /www/wwwroot/2007_SRM/elasticsearch/slave_12/data:/usr/share/elasticsearch/data
    privileged: true
    ports:
      - 9212:9200
      - 9312:9300
    networks:
      es:
        ipv4_address: 180.200.7.12
  kibana:
    image: kibana:7.6.1
    container_name: kibana
    environment:
      - "ELASTICSEARCH_HOSTS=http://180.200.7.12:9200"
      - "SERVER_PORT=5601"
      - "SERVER_HOST=0.0.0.0"
    ports:
      - 5601:5601
    networks:
      es:
        ipv4_address: 180.200.7.13
networks:
  es:
    driver: bridge
    ipam:
      config:
        - subnet: "180.200.7.0/24"

docker-compose up -d 后台启动容器后如下图所示

，其中可能出现内存不足，文件权限等问题，需将目录映射文件的权限改成777

chmod 777 -R /www/wwwroot/2007_SRM/docker/compose/elasticsearch

一个es的容器在构建的时候是需要系统提供200M的内存（建议实现）

系统需要配置 sysctl -w vm.max_map_count=262144

设置索引,

添加一条记录到es

查看es数据

2.安装MysqL，我使用的是宝塔一键安装lnmp，MysqL版本5.6

yum install -y wget && wget -O install.sh http://download.bt.cn/install/install_6.0.sh && sh install.sh

MysqL 配置文件设置开启binlog，在宝塔控制面板-》安全里面放行端口9210(es master 主节点端口，提供外部访问)

建立srm库，test表，id字段自增且为主键

3，go-mysql-elasticsearch安装

go env -w goproxy=https://goproxy.cn
go get go get github.com/siddontang/go-MysqL-elasticsearch
cd $GOPATH/src/github.com/siddontang/go-MysqL-elasticsearch
make

配置river.toml

#  MysqL 配置：地址，用户名，密码
my_addr = "192.168.1.100:3306"
my_user = "root"
my_pass = "root"

# Elasticsearch地址
es_addr = "192.168.1.100:9210"

# 存储数据的位置
data_dir = "/var/test"

# Inner Http status address
stat_addr = "192.168.1.100:12800"
stat_path = "/es"
# pseudo server id like a slave
server_id = 101
# MysqL or mariadb
flavor = "MysqL"
# MysqLdump execution path
# MysqLdump = "MysqLdump"
# minimal items to be inserted in one bulk
bulk_size = 128

# force flush the pending requests if we don't have enough items >= bulk_size
flush_bulk_time = "200ms"

# Ignore table without primary key
skip_no_pk_table = false

# elasticsearch 与 MysqL 同步时对应的数据库名称
# MysqL的数据源
[[source]]
schema = "srm"
tables = ["test"]

# es 映射的mapping
[[rule]]
schema = "srm"
table = "test"
# es的索引名，之前建立的索引和type
index = "srm_goods"
type = "list"

启动服务

$GOPATH/src/github.com/siddontang/go-MysqL-elasticsearch/bin/go-MysqL-elasticsearch -config=/www/wwwroot/2007_SRM/elasticsearch/rivert.toml(修改的文件地址)

查看es

后面新加到test表的数据都已经同步过来了，这个es head 是一个可视化界面，我安装在宿主机上，链接虚拟机的es ip+端口号就可以查看es集群数据

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