• Docker搭建MongoDB集群(副本分片)


    1.下载 mongo最新版本

    docker pull mongo 

    2.创建配置服务复制集

    123.30.194.71:

    docker run -d --name configsvr0 -p 10021:27019 -v /home/mongodb/data/cs/configsvr0:/data/configdb mongo --configsvr --replSet "rs_configsvr" --bind_ip_all

    123.30.194.72:

    docker run -d --name configsvr1 -p 10022:27019 -v /home/mongodb/data/cs/configsvr1:/data/configdb mongo --configsvr --replSet "rs_configsvr" --bind_ip_all

    123.30.194.73:

    docker run -d --name configsvr2 -p 10023:27019 -v /home/mongodb/data/cs/configsvr2:/data/configdb mongo --configsvr --replSet "rs_configsvr" --bind_ip_all

    初始化配置服务复制集:

    docker exec -it configsvr0 bash
    mongo --host 123.30.194.71 --port 10021

    rs.initiate(
    {
    _id: "rs_configsvr",
    configsvr: true,
    members: [
    { _id: 0, host : "123.30.194.71:10021" },
    { _id: 1, host : "123.30.194.72:10022" },
    { _id: 2, host : "123.30.194.73:10023" }
    ]
    }
    );

    3.创建分片复制集

    123.30.194.71:

    docker run --name shardsvr00 -p 10031:27018 -d -v /home/mongodb/data/sh/shardsvr00:/data/db mongo --shardsvr --replSet "rs_shardsvr0" --bind_ip_all
    docker run --name shardsvr10 -p 10041:27018 -d -v /home/mongodb/data/sh/shardsvr10:/data/db mongo --shardsvr --replSet "rs_shardsvr1" --bind_ip_all

    123.30.194.72:

    docker run --name shardsvr01 -p 10032:27018 -d -v /home/mongodb/data/sh/shardsvr00:/data/db mongo --shardsvr --replSet "rs_shardsvr0" --bind_ip_all
    docker run --name shardsvr11 -p 10042:27018 -d -v /home/mongodb/data/sh/shardsvr11:/data/db mongo --shardsvr --replSet "rs_shardsvr1" --bind_ip_all

    123.30.194.73:

    docker run --name shardsvr02 -p 10033:27018 -d -v /home/mongodb/data/sh/shardsvr00:/data/db mongo --shardsvr --replSet "rs_shardsvr0" --bind_ip_all
    docker run --name shardsvr12 -p 10043:27018 -d -v /home/mongodb/data/sh/shardsvr12:/data/db mongo --shardsvr --replSet "rs_shardsvr1" --bind_ip_all

    初始化副本集

    docker exec -it shardsvr00 bash
    mongo --host 123.30.194.71 --port 10031

    rs.initiate(
       {
    _id: "rs_shardsvr0",
    members: [
    { _id: 0, host : "123.30.194.71:10031" },
    { _id: 1, host : "123.30.194.72:10032" },
    { _id: 2, host : "123.30.194.73:10033" }
    ]
    }
    );

    docker exec -it shardsvr10 bash
    mongo --host 123.30.194.71 --port 10041

    rs.initiate(
    {
    _id: "rs_shardsvr0",
    members: [
    { _id: 0, host : "123.30.194.71:10041" },
    { _id: 1, host : "123.30.194.72:10042" },
    { _id: 2, host : "123.30.194.73:10043" }
    ]
    }
    );

    4.创建mongos,连接mongos到分片集群

    123.30.194.71:

    docker run --name mongos0 -d -p 10011:27017 --entrypoint "mongos" mongo --configdb rs_configsvr/123.30.194.71:10021,123.30.194.72:10022,123.30.194.73:10023 --bind_ip_all

    123.30.194.72:

    docker run --name mongos1 -d -p 10012:27017 --entrypoint "mongos" mongo --configdb rs_configsvr/123.30.194.71:10021,123.30.194.72:10022,123.30.194.73:10023 --bind_ip_all

    添加分片到集群

    docker exec -it mongos0 bash
    mongo --host 123.30.194.71 --port 10011

    sh.addShard("rs_shardsvr0/123.30.194.71:10031,123.30.194.72:10032,123.30.194.73:10033")
    sh.addShard("rs_shardsvr1/123.30.194.71:10041,123.30.194.72:10042,123.30.194.73:10043")

    数据库 启用 分片

    sh.enableSharding(“test”)

    分片集合

    对 test.order 的 _id 字段进行哈希分片:

    sh.shardCollection(“test.order”, {"_id": “hashed” })

    插入数据

    use test
    for (i = 1; i <= 1001; i=i+1){
    db.order.insert({‘price’: 1})
    }

     

    查看数据分布 

    db.order.find().count()
    1001

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  • 原文地址:https://www.cnblogs.com/mergy/p/12916517.html
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