mongodb安装配置实践-创新互联

首先从官网下载mongodb的安装包http://www.mongodb.org/downloads我的系统是redhat5.8所有选择相应的版本包就ok现在最新版是3.0.3
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解压mongodb-linux-x86_64-rhel55-3.0.3.tgz

[root@mongodb ~]# tar zxvf mongodb-linux-x86_64-rhel55-3.0.3.tgz -C /opt/ mongodb-linux-x86_64-rhel55-3.0.3/README mongodb-linux-x86_64-rhel55-3.0.3/THIRD-PARTY-NOTICES mongodb-linux-x86_64-rhel55-3.0.3/GNU-AGPL-3.0 mongodb-linux-x86_64-rhel55-3.0.3/bin/mongodump mongodb-linux-x86_64-rhel55-3.0.3/bin/mongorestore mongodb-linux-x86_64-rhel55-3.0.3/bin/mongoexport mongodb-linux-x86_64-rhel55-3.0.3/bin/mongoimport mongodb-linux-x86_64-rhel55-3.0.3/bin/mongostat mongodb-linux-x86_64-rhel55-3.0.3/bin/mongotop mongodb-linux-x86_64-rhel55-3.0.3/bin/bsondump mongodb-linux-x86_64-rhel55-3.0.3/bin/mongofiles mongodb-linux-x86_64-rhel55-3.0.3/bin/mongooplog mongodb-linux-x86_64-rhel55-3.0.3/bin/mongoperf mongodb-linux-x86_64-rhel55-3.0.3/bin/mongod mongodb-linux-x86_64-rhel55-3.0.3/bin/mongos mongodb-linux-x86_64-rhel55-3.0.3/bin/mongo [root@mongodb opt]# ln -sv mongodb-linux-x86_64-rhel55-3.0.3/ mongodb create symbolic link `mongodb' to `mongodb-linux-x86_64-rhel55-3.0.3/'

3.创建mongodb用户

[root@mongodb /]# useradd mongodb

4.创建相应文件目录并修改权限

[root@mongodb /]# mkdir /data/db -p [root@mongodb /]# chown mongodb:mongodb /data/ -R [root@mongodb opt]# chown -R mongodb:mongodb /opt/*

5.添加PATH环境变量在shell下正常访问mongodb的应用工具

[root@mongodb bin]# vim /etc/profile.d/mongodb.sh export PATH=$PATH:/opt/mongodb/bin [root@mongodb bin]# source /etc/profile.d/mongodb.sh [root@mongodb bin]# echo $PATH /usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin:/opt/mongodb/bin

6.创建mongodb的PID存放目录

[root@mongodb run]# mkdir /var/run/mongodb [root@mongodb run]# chown mongodb:mongodb /var/run/mongodb/ -R [root@mongodb opt]# mongod --dbpath /data/db/ --logpath /var/log/mongodb.log --logappend --port 27017 --pidfilepath /var/run/mongodb/mongodb.pid --maxConns 250 --rest --httpinterface --fork about to fork child process, waiting until server is ready for connections. forked process: 4060 child process started successfully, parent exiting --maxConns 250 ：表示大连接数是250个 --rest --httpinterface : web接口，指定这项28017端口才能启用 --fork ：后台运行

7.安装过程中遇见的问题

装好之后连接出现以下警告

(1).[root@mongodb ~]# mongo MongoDB shell version: 3.0.3 connecting to: test Server has startup warnings: 2015-06-15T20:27:49.892+0800 I CONTROL [initandlisten] ** WARNING: You are running this process as the root user, which is not recommended. 2015-06-15T20:27:49.892+0800 I CONTROL [initandlisten]

出现这个问题就查看关于mongodb的文件权限，主要是/opt /data/db/ /var/run/mongodb/ /var/log/mongodb.log的权限因为启动初始化时以root用户的权限在运行，所以这些目录下的权限可能会变成root root

(2).[mongodb@mongodb db]$ mongod --dbpath /data/db/ --logpath /var/log/mongodb.log --logappend --port 27017 --pidfilepath /var/run/mongodb/mongodb.pid --maxConns 250 --rest --httpinterface --fork 2015-06-15T17:41:25.721+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'. 2015-06-15T17:41:25.721+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never' 2015-06-15T17:41:25.721+0800 I CONTROL [initandlisten] 2015-06-15T17:41:25.721+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'. 2015-06-15T17:41:25.721+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never'

修改两个参数即可

echo "never" > /sys/kernel/mm/transparent_hugepage/enabled echo "never" > /sys/kernel/mm/transparent_hugepage/defrag

8.安装成功并登录

[root@mongodb ~]# ss -tanlp | grep mongod 0 0 *:27017 *:* users:(("mongod",4095,6)) 0 0 *:28017 *:* users:(("mongod",4095,8)) [root@mongodb ~]# mongo MongoDB shell version: 3.0.3 connecting to: test > help db.help() help on db methods db.mycoll.help() help on collection methods sh.help() sharding helpers rs.help() replica set helpers help admin administrative help help connect connecting to a db help help keys key shortcuts help misc misc things to know help mr mapreduce show dbs show database names show collections show collections in current database show users show users in current database show profile show most recent system.profile entries with time >= 1ms show logs show the accessible logger names show log [name] prints out the last segment of log in memory, 'global' is default use set current database db.foo.find() list objects in collection foo db.foo.find( { a : 1 } ) list objects in foo where a == 1 it result of the last line evaluated; use to further iterate DBQuery.shellBatchSize = x set default number of items to display on shell exit quit the mongo shell

登录web接口 28017端口

mongodb 安装配置实践

9.关闭服务器

(1).[root@mongodb ~]# mongod --shutdown killing process with pid: 3936 (2).[root@mongodb ~]# killall mongod

10.给mongodb编写配置文件/etc/mongodb.conf

[root@mongodb ~]# grep -v ^# /etc/mongodb.conf logpath=/var/log/mongodb.log logappend=true fork = true dbpath=/data/db pidfilepath = /var/run/mongodb/mongodb.pid rest = true httpinterface = true

启动

[root@mongodb ~]# mongod -f /etc/mongodb.conf about to fork child process, waiting until server is ready for connections. forked process: 4169 child process started successfully, parent exiting [root@mongodb ~]# ss -tanlp | grep mongod 0 0 *:27017 *:* users:(("mongod",4169,6)) 0 0 *:28017 *:* users:(("mongod",4169,8))

11.用service mongodb * 来启动mongodb
启动脚本：/etc/rc.d/init.d/mongod

#!/bin/bash # mongod - Startup script for mongod # chkconfig: 35 85 15 # description: Mongo is a scalable, document-oriented database. # processname: mongod # config: /etc/mongod.conf # pidfile: /var/run/mongo/mongod.pid . /etc/rc.d/init.d/functions # things from mongod.conf get there by mongod reading it CONFIGFILE="/etc/mongodb.conf" OPTIONS=" -f $CONFIGFILE" SYSCONFIG="/etc/sysconfig/mongod" DBPATH=`awk -F= '/^dbpath=/{print $2}' "$CONFIGFILE"` PIDFILE=`awk -F= '/^dbpath\s=\s/{print $2}' "$CONFIGFILE"` mongod=${MONGOD-/opt/mongodb/bin/mongod} MONGO_USER=mongodb MONGO_GROUP=mongodb if [ -f "$SYSCONFIG" ]; then . "$SYSCONFIG" fi # Handle NUMA access to CPUs (SERVER-3574) # This verifies the existence of numactl as well as testing that the command works NUMACTL_ARGS="--interleave=all" if which numactl >/dev/null 2>/dev/null && numactl $NUMACTL_ARGS ls / >/dev/null 2>/dev/null then NUMACTL="numactl $NUMACTL_ARGS" else NUMACTL="" fi start() { echo -n $"Starting mongod: " daemon --user "$MONGO_USER" $NUMACTL $mongod $OPTIONS RETVAL=$? echo [ $RETVAL -eq 0 ] && touch /var/lock/subsys/mongod } stop() { echo -n $"Stopping mongod: " killproc -p "$PIDFILE" -d 300 /opt/mongodb/bin/mongod RETVAL=$? echo [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/mongod } restart () { stop start } ulimit -n 12000 RETVAL=0 case "$1" in start) start ;; stop) stop ;; restart|reload|force-reload) restart ;; condrestart) [ -f /var/lock/subsys/mongod ] && restart || : ;; status) status $mongod RETVAL=$? ;; *) echo "Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart}" RETVAL=1 esac exit $RETVAL

测试启动

[root@mongodb ~]# service mongod start Starting mongod: about to fork child process, waiting until server is ready for connections. forked process: 4426 child process started successfully, parent exiting [ OK ] [root@mongodb init.d]# ss -tanlp | grep mongod 0 0 *:27017 *:* users:(("mongod",4426,6)) 0 0 *:28017 *:* users:(("mongod",4426,8)) [root@mongodb ~]# mongo MongoDB shell version: 3.0.3 connecting to: test > [root@mongodb ~]# service mongod start Starting mongod: about to fork child process, waiting until server is ready for connections. forked process: 4426 child process started successfully, parent exiting [ OK ] [root@mongodb ~]# service mongod stop Stopping mongod: [ OK ]

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mongodb安装配置实践-创新互联

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