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一、系统及安装说明
二、配置官方yum库 1>创建yum安装库文件
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| #vim /etc/yum.repos.d/mongodb-org-3.4.repo #创建之后可以直接使用yum安装
[mongodb-org-3.4]
name=MongoDB Repository
baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/3.4/x86_64/
gpgcheck=1
enabled=1
gpgkey=https://www.mongodb.org/static/pgp/server-3.4.asc
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当设置gpgcheck=0时，gpgkey路径可以不设置
2>yum安装 1
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| #yum install -y mongodb-org
#当出现以下即为安装中
updates/primary_db | 5.3 MB 00:01
Resolving Dependencies
--> Running transaction check
---> Package mongodb-org.x86_64 0:3.4.10-1.el6 will be installed
--> Processing Dependency: mongodb-org-tools = 3.4.10 for package: mongodb-org-3.4.10-1.el6.x86_64
--> Processing Dependency: mongodb-org-shell = 3.4.10 for package: mongodb-org-3.4.10-1.el6.x86_64
--> Processing Dependency: mongodb-org-server = 3.4.10 for package: mongodb-org-3.4.10-1.el6.x86_64
--> Processing Dependency: mongodb-org-mongos = 3.4.10 for package: mongodb-org-3.4.10-1.el6.x86_64
--> Running transaction check
---> Package mongodb-org-mongos.x86_64 0:3.4.10-1.el6 will be installed
---> Package mongodb-org-server.x86_64 0:3.4.10-1.el6 will be installed
---> Package mongodb-org-shell.x86_64 0:3.4.10-1.el6 will be installed
---> Package mongodb-org-tools.x86_64 0:3.4.10-1.el6 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=====================================================================================================================================================================================================================================================================
Package Arch Version Repository Size
=====================================================================================================================================================================================================================================================================
Installing:
mongodb-org x86_64 3.4.10-1.el6 mongodb-org-3.4 5.8 k
Installing for dependencies:
mongodb-org-mongos x86_64 3.4.10-1.el6 mongodb-org-3.4 12 M
mongodb-org-server x86_64 3.4.10-1.el6 mongodb-org-3.4 20 M
mongodb-org-shell x86_64 3.4.10-1.el6 mongodb-org-3.4 11 M
mongodb-org-tools x86_64 3.4.10-1.el6 mongodb-org-3.4 49 M
Transaction Summary
=====================================================================================================================================================================================================================================================================
Install 5 Package(s)
Total size: 91 M
Total download size: 69 M
Installed size: 258 M
Downloading Packages:
(1/2): mongodb-org-server-3.4.10-1.el6.x86_64.rpm | 20 MB 00:03
(2/2): mongodb-org-tools-3.4.10-1.el6.x86_64.rpm | 49 MB 00:15
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 3.4 MB/s | 69 MB 00:19
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三、自定义安装配置 1>安装成功后，数据和日志目录默认是在 /var/lib/mongo 和 /var/log/mongodb，为方便管理我们可进行自定义。以 /data/mongodb 为例
2>编辑/etc/mongod.conf 1
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| #vim /etc/mongod.conf
# mongod.conf
# for documentation of all options, see:
# http://docs.mongodb.org/manual/reference/configuration-options/
# where to write logging data.
systemLog:
destination: file
logAppend: true
path: /data/mongodb/log/mongod.log
# Where and how to store data.
storage:
dbPath: /data/mongodb/data
journal:
enabled: true
# engine:
# mmapv1:
# wiredTiger:
# how the process runs
processManagement:
fork: true # fork and run in background
pidFilePath: /var/run/mongodb/mongod.pid # location of pidfile
# network interfaces
net:
port: 27017
bindIp: 127.0.0.1 # Listen to local interface only, comment to listen on all interfaces.
#security:
#operationProfiling:
#replication:
#sharding:
## Enterprise-Only Options
#auditLog:
#snmp
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3>创建目录 1
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| #mkdir -p /data/mongodb/data
#mkdir -p /data/mongodb/log
#chown mongod.mongod /data/mongodb -R #修改权限，否则mongo有可能启动不了
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四、启动并测试 1>启动mongod 1
| #service mongod start|stop|restart
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2>添加到开机启动项
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| #chkconfig --add mongod
#chkconfig mongod on
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3>登录测试
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| #mongo --host 127.0.0.1
MongoDB shell version v3.4.10
connecting to: mongodb://127.0.0.1:27017/
MongoDB server version: 3.4.10
Server has startup warnings:
2017-12-06T10:41:30.462+0800 I STORAGE [initandlisten]
2017-12-06T10:41:30.462+0800 I STORAGE [initandlisten] ** WARNING: Using the XFS filesystem is strongly recommended with the WiredTiger storage engine
2017-12-06T10:41:30.462+0800 I STORAGE [initandlisten] ** See http://dochub.mongodb.org/core/prodnotes-filesystem
2017-12-06T10:41:30.901+0800 I CONTROL [initandlisten]
2017-12-06T10:41:30.902+0800 I CONTROL [initandlisten] ** WARNING: Access control is not enabled for the database.
2017-12-06T10:41:30.902+0800 I CONTROL [initandlisten] ** Read and write access to data and configuration is unrestricted.
2017-12-06T10:41:30.902+0800 I CONTROL [initandlisten]
2017-12-06T10:41:30.902+0800 I CONTROL [initandlisten]
2017-12-06T10:41:30.902+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.
2017-12-06T10:41:30.902+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never'
2017-12-06T10:41:30.902+0800 I CONTROL [initandlisten]
2017-12-06T10:41:30.902+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.
2017-12-06T10:41:30.902+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never'
2017-12-06T10:41:30.902+0800 I CONTROL [initandlisten]
2017-12-06T10:41:30.902+0800 I CONTROL [initandlisten] ** WARNING: soft rlimits too low. rlimits set to 1024 processes, 65535 files. Number of processes should be at least 32767.5 : 0.5 times number of files.
2017-12-06T10:41:30.902+0800 I CONTROL [initandlisten]
> show dbs
admin 0.000GB
local 0.000GB
>
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五、问题排错 1> 登录mongodb数据库时，如果出现以下错误 1
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| MongoDB shell version v3.4.10
connecting to: mongodb://127.0.0.1:27017
MongoDB server version: 3.4.10
Server has startup warnings:
2017-12-06T10:46:46.575+0800 I STORAGE [initandlisten]
2017-12-06T10:46:46.575+0800 I STORAGE [initandlisten] ** WARNING: Using the XFS filesystem is strongly recommended with the WiredTiger storage engine
2017-12-06T10:46:46.575+0800 I STORAGE [initandlisten] ** See http://dochub.mongodb.org/core/prodnotes-filesystem
2017-12-06T10:46:46.955+0800 I CONTROL [initandlisten]
2017-12-06T10:46:46.955+0800 I CONTROL [initandlisten] ** WARNING: Access control is not enabled for the database.
2017-12-06T10:46:46.955+0800 I CONTROL [initandlisten] ** Read and write access to data and configuration is unrestricted.
2017-12-06T10:46:46.955+0800 I CONTROL [initandlisten]
2017-12-06T10:46:46.956+0800 I CONTROL [initandlisten]
2017-12-06T10:46:46.956+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.
2017-12-06T10:46:46.956+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never'
2017-12-06T10:46:46.956+0800 I CONTROL [initandlisten]
2017-12-06T10:46:46.956+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.
2017-12-06T10:46:46.956+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never'
2017-12-06T10:46:46.956+0800 I CONTROL [initandlisten]
2017-12-06T10:46:46.956+0800 I CONTROL [initandlisten] ** WARNING: soft rlimits too low. rlimits set to 1024 processes, 65535 files. Number of processes should be at least 32767.5 : 0.5 times number of files.
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2>创建脚本 # vim /etc/init.d/disable-transparent-hugepages 1
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| #!/bin/bash### BEGIN INIT INFO
# Provides: disable-transparent-hugepages
# Required-Start: $local_fs
# Required-Stop:
# X-Start-Before: mongod mongodb-mms-automation-agent
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Disable Linux transparent huge pages
# Description: Disable Linux transparent huge pages, to improve
# database performance.
### END INIT INFO
case $1 in
start)
if [ -d /sys/kernel/mm/transparent_hugepage ]; then
thp_path=/sys/kernel/mm/transparent_hugepage elif [ -d /sys/kernel/mm/redhat_transparent_hugepage ]; then
thp_path=/sys/kernel/mm/redhat_transparent_hugepage else
return 0
fi
echo 'never' > ${thp_path}/enabled echo 'never' > ${thp_path}/defrag re='^[0-1]+$'
if [[ $(cat ${thp_path}/khugepaged/defrag) =~ $re ]]
then
# RHEL 7
echo 0 > ${thp_path}/khugepaged/defrag else
# RHEL 6
echo 'no' > ${thp_path}/khugepaged/defrag fi
unset re unset thp_path ;;
esac
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添加到开机服务 1
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| #chmod +x /etc/init.d/disable-transparent-hugepages
#chkconfig --add disable-transparent-hugepages
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3>创建编辑 /etc/tune-profiles/no-thp/ktune.sh #vim /etc/tune-profiles/no-thp/ktune.sh 1
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| #echo "set_transparent_hugepages never" > ktune.sh
#chmod +x ktune.sh
#tuned-adm profile no-thp
#如果提示找不到命令请执行yum install tuned -y
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#vim /etc/security/limits.conf 添加 1
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| mongod soft nofile 64000
mongod hard nofile 64000
mongod soft nproc 32000
mongod hard nproc 32000
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重启系统 sudo reboot
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