database►Mongo►mongo standard install

mongo standard install

mongo standard install

  1. 创建用户

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    [root@mongodb app]# useradd -s /sbin/nologin mongo

  2. 解压和安装

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    [root@mongodb app]# tar xzf mongodb-linux-x86_64-rhel70-3.4.10.tgz
    [root@mongodb app]# mv mongodb-linux-x86_64-rhel70-3.4.10 /mnt/app/mongo
    [root@mongodb app]# chown -R mongo.mongo /mnt/app/mongo

  3. 设置环境变量

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    [root@mongodb app]# cat >/etc/profile.d/mongo.sh <<EOF
    export MONGO_HOME=/mnt/app/mongo
    export PATH=\${MONGO_HOME}/bin:\$PATH
    EOF
    [root@mongodb app]# source /etc/profile

  4. 创建mongo配置文件目录

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    [root@mongodb app]# mkdir -p /mnt/app/mongo/conf
    [root@mongodb app]# chown -R mongo.mongo /mnt/app/mongo/conf

  5. 创建mongo数据文件目录

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    [root@mongodb app]# mkdir -p /mnt/data/mongo
    [root@mongodb app]# chown -R mongo.mongo /mnt/data/mongo

  6. 创建mongo日志目录

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    [root@mongodb app]# mkdir -p /mnt/log/mongo
    [root@mongodb app]# chown -R mongo.mongo /mnt/log/mongo

  7. 设置mongo配置文件

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    [root@mongodb app]# cat > /mnt/app/mongo/conf/mongo.conf <<EOF
    dbpath=/mnt/data/mongo
    logpath=/mnt/log/mongo/mongo.log  
    logappend=true  
    port=27017  
    fork=true  
    nohttpinterface=true  
    #auth=true  
    EOF

  8. 设置mongo systemd文件

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    [root@mongodb app]# cat > /usr/lib/systemd/system/mongo.service <<EOF
    [Unit]
    Description=mongodb
    After=network.target remote-fs.target nss-lookup.target

    [Service]
    Type=forking
    ExecStart=/mnt/app/mongo/bin/mongod --config /mnt/app/mongo/conf/mongo.conf
    ExecReload=/bin/kill -s HUP \$MAINPID
    ExecStop=/mnt/app/mongo/bin/mongod --shutdown --config /mnt/app/mongo/conf/mongo.conf
    PrivateTmp=true
    User=mongo
    Group=mongo

    [Install]
    WantedBy=multi-user.target
    EOF
    [root@mongodb app]# systemctl daemon-reload

  9. 启动mongo

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    [root@mongodb app]# systemctl start mongo
    [root@mongodb app]# systemctl enable mongo

  10. 验证

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    [root@mongodb ~]# mongo
    MongoDB shell version v3.4.10
    connecting to: mongodb://127.0.0.1:27017
    MongoDB server version: 3.4.10
    Server has startup warnings:
    2017-11-13T15:13:35.914+0800 I CONTROL  [initandlisten]
    2017-11-13T15:13:35.915+0800 I CONTROL  [initandlisten] ** WARNING: Access control is not enabled for the database.
    2017-11-13T15:13:35.915+0800 I CONTROL  [initandlisten] **          Read and write access to data and configuration is unrestricted.
    2017-11-13T15:13:35.915+0800 I CONTROL  [initandlisten]
    2017-11-13T15:13:35.915+0800 I CONTROL  [initandlisten]
    2017-11-13T15:13:35.915+0800 I CONTROL  [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.
    2017-11-13T15:13:35.915+0800 I CONTROL  [initandlisten] **        We suggest setting it to 'never'
    2017-11-13T15:13:35.915+0800 I CONTROL  [initandlisten]
    2017-11-13T15:13:35.915+0800 I CONTROL  [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.
    2017-11-13T15:13:35.915+0800 I CONTROL  [initandlisten] **        We suggest setting it to 'never'
    2017-11-13T15:13:35.915+0800 I CONTROL  [initandlisten]
    > show dbs
    admin  0.000GB
    local  0.000GB
    > exit
    bye

  11. mongo内核优化

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    [root@mongodb ~]# echo never |tee /sys/kernel/mm/transparent_hugepage/enabled
    [root@mongodb ~]# echo never |tee /sys/kernel/mm/transparent_hugepage/defrag
    [root@mongodb ~]# systemctl stop mongo && systemctl start mongo

    [root@mongodb ~]# cat >>/etc/rc.local <<EOF

    ### mongodb close hugepage
    if test -f /sys/kernel/mm/transparent_hugepage/enabled;then
       echo never |tee /sys/kernel/mm/transparent_hugepage/enabled
    fi
    if test -f /sys/kernel/mm/transparent_hugepage/defrag;then
       echo never |tee /sys/kernel/mm/transparent_hugepage/defrag
    fi
    EOF