1. 准备安装介质
安装介质下载：
mongodb的安装方式，我通常使用二进制包的方式，内网不能配置连接外网的yum源；
官方建议的mongodb下载地址为： Downloads.mongodb.org
但实际上，这个地址，很难找到下载表，正常下载，通常可以用下面的下载地址选择下载：
https://HdhCmsTestmongodb.org/dl/linux/x86_64
我这里下载的是： 3.2.5 版本对应的 mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8.tgz
如果将整个mongodb安装过程已经编写了脚本，可以获取安装脚本，用脚本执行安装；
如果手动安装，则可跳过此步；
手工安装mongodb的脚步的执行过程，一般如下：
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mkdir -p /root/{software,scripts} wget -q http://ptmaster.test.cn/files/init/mongodb_install.sh -O /root/scripts/mongodb_install.sh cd /root/scripts ./mongodb_install.sh -p 27117 |
2. 添加mongodb用户和环境变量，修改系统设置
添加用户：
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groupadd mongodb useradd -g mongodb mongodb |
创建mongodb脚本目录
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mkdir -p /home/mongodb/scripts/ |
修改目录权限：
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chown -R mongodb:mongodb /home/mongodb/scripts/ |
在 /etc/profile 中添加 mongodb 用户的环境变量：
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# MongoDB Environment Variables export PATH=$PATH:$HOME/bin:/usr/ local /mongodb/bin:/home/mongodb/scripts/ |
是上面的变量生效：
source /etc/profile
实际操作过程如下：
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[root@yq-mapp-otadb248 etc]# id mongodb id: mongodb: No such user [root@yq-mapp-otadb248 etc]# [root@yq-mapp-otadb248 etc]# [root@yq-mapp-otadb248 etc]# groupadd mongodb useradd -g mongodb mongodb[root@yq-mapp-otadb248 etc]# useradd -g mongodb mongodb [root@yq-mapp-otadb248 etc]# [root@yq-mapp-otadb248 etc]# [root@yq-mapp-otadb248 etc]# id mongodb uid=801(mongodb) gid=801(mongodb) groups=801(mongodb) [root@yq-mapp-otadb248 etc]# |
mongodb要求hugepage设置为禁用，soft limit设置足够大，可以在一开始修改，也可以到后面修改；
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cat /etc/security/limits.d/90-nproc.conf |
修改这个文件中下列的值
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* soft nproc 2048 |
确保： soft nproc 的值至少是 soft nofile 值的一半；
修改后，退出当前用户，重新进入一下，设置就可以生效了；
禁用 hugepage 的值：
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# echo "never" > /sys/kernel/mm/transparent_hugepage/enabled # echo "never" > /sys/kernel/mm/transparent_hugepage/defrag |
备注：上面两个警告，现在不修改也不影响安装过程，后面会提示。
3. 安装mongodb软件
上传并解压软件：
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cd /usr/ local rz mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8.tgz tar -zxvf mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8.tgz ln -sv mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8 /usr/ local /mongodb |
修改文件权限：
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chown -R mongodb:mongodb mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8 chown -R mongodb:mongodb /usr/ local /mongodb |
实际操作过程如下：
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[root@yq-mapp-otadb248 src]# rz rz waiting to receive. Starting zmodem transfer. Press Ctrl+C to cancel. Transferring mongodb-linux-x86_64-rhel62-3.2.5.tar.gz... 100% 66999 KB 16749 KB/sec 00:00:04 0 Errors
[root@yq-mapp-otadb248 src]# ll total 277792 -rw-r --r-- 1 root root 68607629 Oct 19 11:53 mongodb-linux-x86_64-rhel62-3.2.5.tar.gz -rw-r --r-- 1 root root 215848960 Apr 19 2016 mongodb-linux-x86_64-rhel62-v3.2-latest [root@yq-mapp-otadb248 src]# [root@yq-mapp-otadb248 src]# tar -zxvf mongodb-linux-x86_64-rhel62-3.2.5.tar.gz mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/ mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/mongooplog mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/mongod mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/mongo mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/mongofiles mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/bsondump mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/mongorestore mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/mongos mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/mongoexport mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/mongodump mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/mongoimport mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/mongotop mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/mongostat mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/bin/mongoperf mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/GNU-AGPL-3.0 mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/MPL-2 mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/README mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8/THIRD-PARTY-NOTICES [root@yq-mapp-otadb248 src]# [root@yq-mapp-otadb248 src]# ll total 277796 drwxr-xr-x 3 root root 4096 Oct 19 11:54 mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8 -rw-r --r-- 1 root root 68607629 Oct 19 11:53 mongodb-linux-x86_64-rhel62-3.2.5.tar.gz -rw-r --r-- 1 root root 215848960 Apr 19 2016 mongodb-linux-x86_64-rhel62-v3.2-latest [root@yq-mapp-otadb248 src]# [root@yq-mapp-otadb248 src]# mv mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8 [root@yq-mapp-otadb248 src]# cd .. [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# ln -sv mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8 /usr/ local /mongodb `/usr/ local /mongodb ' -> `mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8' [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# chown -R mongodb:mongodb mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8 [root@yq-mapp-otadb248 local ]# chown -R mongodb:mongodb /usr/ local /mongodb [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# ll total 52 drwxr-xr-x. 2 root root 4096 Apr 24 2014 bin drwxr-xr-x. 2 root root 4096 Sep 23 2011 etc drwxr-xr-x. 2 root root 4096 Sep 23 2011 games drwxr-xr-x. 2 root root 4096 Sep 23 2011 include drwxr-xr-x. 2 root root 4096 Sep 23 2011 lib drwxr-xr-x. 3 root root 4096 Apr 25 2014 lib64 drwxr-xr-x. 2 root root 4096 Sep 23 2011 libexec lrwxrwxrwx 1 root root 25 Mar 6 2015 logstash -> /usr/ local /logstash-1.4.2 drwxrwxr-x 8 logstash logstash 4096 Jun 24 2014 logstash-1.4.2 lrwxrwxrwx 1 mongodb mongodb 45 Oct 19 11:59 mongodb -> mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8 drwxr-xr-x 3 mongodb mongodb 4096 Oct 19 11:54 mongodb-linux-x86_64-rhel62-3.2.5-20-g07e21d8 lrwxrwxrwx 1 root root 39 Apr 23 2014 mysql -> /usr/ local /mysql-5.5.19-linux2.6-x86_64 drwxr-xr-x 12 root mysql 4096 Apr 23 2014 mysql-5.5.19-linux2.6-x86_64 drwxr-xr-x. 2 root root 4096 Sep 23 2011 sbin drwxr-xr-x. 6 root root 4096 Apr 25 2014 share drwxr-xr-x. 2 root root 4096 Oct 19 11:54 src [root@yq-mapp-otadb248 local ]# |
4. 创建mongodb实例所需的目录和配置文件
创建mongodb实例所需目录：
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mkdir -p /data/mongo_27117/{db,log,tmp} |
创建mongodb实例配置文件所需目录和文件：
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mkdir -p /etc/mongodb touch /etc/mongodb/mongo_27117.conf |
根据需要配置mongodb的启动参数，我的启动参数配置内容如下：
vim /etc/mongodb/mongo_27117.conf
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dbpath=/data/mongo_27117/db logpath=/data/mongo_27117/log/mongo_27117.log pidfilepath = /data/mongo_27117/tmp/mongo_27117.pid storageEngine = wiredTiger wiredTigerCacheSizeGB = 2 syncdelay = 30 wiredTigerCollectionBlockCompressor = zlib port=27117 auth = true directoryperdb = true oplogSize=2048 logappend= true fork= true #rest= true journal = true journalCommitInterval = 50 slowms = 200 |
修改目录、文件的权限和属组：
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chown -R mongodb:mongodb /data/mongo_27117/ chown -R mongodb:mongodb /etc/mongodb |
确认目录和配置文件都已经准备完毕：
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ls -l /data/mongo_27117/ ls -l /etc/mongodb cat /etc/mongodb/mongo_27117.conf |
该步骤实际操作过程如下：
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[root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# mkdir -p /data/mongo_27117/{db,log,tmp} [root@yq-mapp-otadb248 local ]# mkdir -p /etc/mongodb [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# vim /etc/mongodb/mongo_27117.conf dbpath=/data/mongo_27117/db logpath=/data/mongo_27117/log/mongo_27117.log pidfilepath = /data/mongo_27117/tmp/mongo_27117.pid storageEngine = wiredTiger wiredTigerCacheSizeGB = 2 syncdelay = 30 wiredTigerCollectionBlockCompressor = zlib port=27117 auth = true directoryperdb = true oplogSize=2048 logappend= true fork= true #rest= true journal = true journalCommitInterval = 50 slowms = 200 ~ [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# chown -R mongodb:mongodb /data/mongo_27117/ [root@yq-mapp-otadb248 local ]# chown -R mongodb:mongodb /etc/mongodb [root@yq-mapp-otadb248 local ]# ls -l /data/mongo_27117/ total 12 drwxr-xr-x 2 mongodb mongodb 4096 Oct 19 12:02 db drwxr-xr-x 2 mongodb mongodb 4096 Oct 19 12:02 log drwxr-xr-x 2 mongodb mongodb 4096 Oct 19 12:02 tmp [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# ls -l /etc/mongodb total 4 -rw-r --r-- 1 mongodb mongodb 392 Oct 19 12:05 mongo_27117.conf [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# cat /etc/mongodb/mongo_27117.conf dbpath=/data/mongo_27117/db logpath=/data/mongo_27117/log/mongo_27117.log pidfilepath = /data/mongo_27117/tmp/mongo_27117.pid storageEngine = wiredTiger wiredTigerCacheSizeGB = 2 syncdelay = 30 wiredTigerCollectionBlockCompressor = zlib port=27117 auth = true directoryperdb = true oplogSize=2048 logappend= true fork= true #rest= true journal = true journalCommitInterval = 50 slowms = 200 |
5. 启动mongodb实例，修改管理员密码
使用下面的命令启动mongodb服务：
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/usr/ local /mongodb/bin/mongod --config /etc/mongodb/mongo_27117.conf |
确认密码，mongodb的管理员密码，可以根据各自的规则设置：
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echo $MONGODB_ROOT_PASS mongodb_020248_Pass |
修改管理员密码，注意 mongodb 3.2要对admin授予三个角色，这点与之前的版本不同：
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/usr/ local /mongodb/bin/mongo --port=27117 db.createUser({ user : 'useradmin' ,pwd: 'mongodb_020248_Pass' ,roles:[ { "role" : "clusterAdmin" , "db" : "admin" }, { "role" : "userAdminAnyDatabase" , "db" : "admin" }, { "role" : "dbAdminAnyDatabase" , "db" : "admin" } ] }) db.auth( "useradmin" , "mongodb_020248_Pass" ) db.system.users.find(); |
生成密码后,使用新用户和密码登陆mongo,确认状态：
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/usr/ local /mongodb/bin/mongo --port=27117 -u useradmin -p mongodb_020248_Pass --authenticationDatabase admin |
该步骤操作过程如下；
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[root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# ps -ef|grep mongo root 32295 30115 0 12:12 pts/0 0 grep mongo [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# /usr/ local /mongodb/bin/mongod --config /etc/mongodb/mongo_27117.conf about to fork child process, waiting until server is ready for connections. forked process: 32321 child process started successfully, parent exiting [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# ps -ef|grep mongo root 32321 1 1 12:12 ? 0 /usr/ local /mongodb/bin/mongod --config /etc/mongodb/mongo_27117.conf root 32359 30115 0 12:13 pts/0 0 grep mongo [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# /usr/ local /mongodb/bin/mongo --port=27117 MongoDB shell version: 3.2.5-20-g07e21d8 connecting to : 127.0.0.1:27117/test Welcome to the MongoDB shell. For interactive help, type "help" . For more comprehensive documentation, see http://docs.mongodb.org/ Questions? Try the support group http://groups.google测试数据/ group /mongodb- user > > use admin; switched to db admin > db.system.users.find(); Error: error: { "ok" : 0, "errmsg" : "not authorized on admin to execute command { find: \"system.users\", filter: {} }" , "code" : 13 } > > db.createUser({ user : 'useradmin' ,pwd: 'mongodb_020248_@JJMatch' ,roles:[ { "role" : "clusterAdmin" , "db" : "admin" }, { "role" : "userAdminAnyDatabase" , "db" : "admin" }, { "role" : "dbAdminAnyDatabase" , "db" : "admin" } ] }) Successfully added user : { "user" : "useradmin" , "roles" : [ { "role" : "clusterAdmin" , "db" : "admin" }, { "role" : "userAdminAnyDatabase" , "db" : "admin" }, { "role" : "dbAdminAnyDatabase" , "db" : "admin" } ] } > > db.system.users.find(); Error: error: { "ok" : 0, "errmsg" : "not authorized on admin to execute command { find: \"system.users\", filter: {} }" , "code" : 13 } > > db.auth( "useradmin" , "mongodb_020248_@JJMatch" ) 1 > > db.system.users.find(); { "_id" : "admin.useradmin" , "user" : "useradmin" , "db" : "admin" , "credentials" : { "SCRAM-SHA-1" : { "iterationCount" : 10000, "salt" : "6hLx/d97hS+yfoN47QTmXQ==" , "storedKey" : "B0PqwVs3GFKIHQyyQ6mBp1MA370=" , "serverKey" : "xK53AKKAvFCdn5rsEtij5QB9RtU=" } }, "roles" : [ { "role" : "clusterAdmin" , "db" : "admin" }, { "role" : "userAdminAnyDatabase" , "db" : "admin" }, { "role" : "dbAdminAnyDatabase" , "db" : "admin" } ] } > [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# /usr/ local /mongodb/bin/mongo --port=27117 -u useradmin -p mongodb_020248_@JJMatch --authenticationDatabase admin MongoDB shell version: 3.2.5-20-g07e21d8 connecting to : 127.0.0.1:27117/test Server has startup warnings: 2016-10-19T12:12:59.096+0800 I CONTROL [initandlisten] 2016-10-19T12:12:59.096+0800 I CONTROL [initandlisten] ** WARNING: The server was started without specifying a --bind_ip 2016-10-19T12:12:59.096+0800 I CONTROL [initandlisten] ** and listens for connections on all available network interfaces. 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] ** WARNING: You are running this process as the root user , which is not recommended. 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always' . 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never' 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always' . 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never' 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] ** WARNING: soft rlimits too low. rlimits set to 2048 processes, 8192 files. Number of processes should be at least 4096 : 0.5 times number of files. 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] > > use admin; switched to db admin > > db.system.users.find(); { "_id" : "admin.useradmin" , "user" : "useradmin" , "db" : "admin" , "credentials" : { "SCRAM-SHA-1" : { "iterationCount" : 10000, "salt" : "6hLx/d97hS+yfoN47QTmXQ==" , "storedKey" : "B0PqwVs3GFKIHQyyQ6mBp1MA370=" , "serverKey" : "xK53AKKAvFCdn5rsEtij5QB9RtU=" } }, "roles" : [ { "role" : "clusterAdmin" , "db" : "admin" }, { "role" : "userAdminAnyDatabase" , "db" : "admin" }, { "role" : "dbAdminAnyDatabase" , "db" : "admin" } ] > > |
6. 为应用创建业务账号
创建一个 admin / admin 用户，具有可以自行创建用户和数据库的权限，密码业务自己再修改：
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db.createUser({ user : 'admin' ,pwd: 'admin' ,roles:[{role: 'userAdminAnyDatabase' ,db: 'admin' },{role: 'dbAdminAnyDatabase' ,db: 'admin' }]}) |
验证业务账号登陆：
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/usr/ local /mongodb/bin/mongo --port=27117 -u admin -p admin --authenticationDatabase admin |
该步骤，实际操作过程如下：
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> > db.system.users.find().pretty() { "_id" : "admin.useradmin" , "user" : "useradmin" , "db" : "admin" , "credentials" : { "SCRAM-SHA-1" : { "iterationCount" : 10000, "salt" : "6hLx/d97hS+yfoN47QTmXQ==" , "storedKey" : "B0PqwVs3GFKIHQyyQ6mBp1MA370=" , "serverKey" : "xK53AKKAvFCdn5rsEtij5QB9RtU=" } }, "roles" : [ { "role" : "clusterAdmin" , "db" : "admin" }, { "role" : "userAdminAnyDatabase" , "db" : "admin" }, { "role" : "dbAdminAnyDatabase" , "db" : "admin" } ] } { "_id" : "admin.admin" , "user" : "admin" , "db" : "admin" , "credentials" : { "SCRAM-SHA-1" : { "iterationCount" : 10000, "salt" : "snlJe16a2PX3dSwxnOsfAw==" , "storedKey" : "VOoX1e7F0tOme6YuR+iyMLuEWK8=" , "serverKey" : "aSlpI7TzlyJ5Ccbd8GoptNB8khk=" } }, "roles" : [ { "role" : "userAdminAnyDatabase" , "db" : "admin" }, { "role" : "dbAdminAnyDatabase" , "db" : "admin" } ] } > > ^C bye [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# [root@yq-mapp-otadb248 local ]# /usr/ local /mongodb/bin/mongo --port=27117 -u admin -p admin --authenticationDatabase admin MongoDB shell version: 3.2.5-20-g07e21d8 connecting to : 127.0.0.1:27117/test > > show dbs admin 0.000GB local 0.000GB > > |
7. 实例启动时的报警处理
在mongodb启动过程中，有时会提示一些警告，其中常见的两类警告处理过程如下：
警告1：
提示：
2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] ** WARNING: soft rlimits too low. rlimits set to 2048 processes, 8192 files. Number of processes should be at least 4096 : 0.5 times number of files.
处理方式，根据提示，将 processes 值，由现在的 2048，修改为4096，甚至更高的值。
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ps -ef|grep mongod cat /proc/32321/limits cat /etc/security/limits.d/90-nproc.conf vim /etc/security/limits.d/90-nproc.conf |
该步骤实际操作过程如下：
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[root@yq-mapp-otadb248 limits.d]# [root@yq-mapp-otadb248 limits.d]# cat /etc/security/limits.d/90-nproc.conf # 20160621 limit?? #* soft nproc 51200 #* hard nproc 51200 * soft nproc 2048 * hard nproc 16384 * soft nofile 8192 * hard nofile 8192 * soft stack 8192 * hard stack 8192 * soft memlock unlimited * hard memlock unlimited [root@yq-mapp-otadb248 limits.d]# vim /etc/security/limits.d/90-nproc.conf # 20160621 #* soft nproc 51200 #* hard nproc 51200 * soft nproc 8192 * hard nproc 16384 [root@yq-mapp-otadb248 ~]# [root@yq-mapp-otadb248 ~]# ulimt -a -bash: ulimt: command not found [root@yq-mapp-otadb248 ~]# ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 30422 max locked memory (kbytes, -l) unlimited max memory size (kbytes, -m) unlimited open files (-n) 8192 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real - time priority (-r) 0 stack size (kbytes, -s) 8192 cpu time (seconds, -t) unlimited max user processes (-u) 8192 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited |
警告2：
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2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always' . 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never' 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always' . 2016-10-19T12:12:59.097+0800 I CONTROL [initandlisten] ** We suggest setting it to 'never' |
确认：
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cat /sys/kernel/mm/transparent_hugepage/enabled cat /sys/kernel/mm/transparent_hugepage/defrag |
处理：
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echo "never" > /sys/kernel/mm/transparent_hugepage/enabled echo "never" > /sys/kernel/mm/transparent_hugepage/defrag |
该步骤，实际操作过程如下：
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[root@yq-mapp-otadb248 limits.d]# cat /sys/kernel/mm/transparent_hugepage/enabled [always] madvise never [root@yq-mapp-otadb248 limits.d]# cat /sys/kernel/mm/transparent_hugepage/defrag [always] madvise never [root@yq-mapp-otadb248 limits.d]# [root@yq-mapp-otadb248 limits.d]# echo "never" > /sys/kernel/mm/transparent_hugepage/enabled [root@yq-mapp-otadb248 limits.d]# echo "never" > /sys/kernel/mm/transparent_hugepage/defrag [root@yq-mapp-otadb248 limits.d]# [root@yq-mapp-otadb248 limits.d]# cat /sys/kernel/mm/transparent_hugepage/enabled always madvise [never] [root@yq-mapp-otadb248 limits.d]# cat /sys/kernel/mm/transparent_hugepage/defrag always madvise [never] [root@yq-mapp-otadb248 limits.d]# [root@yq-mapp-otadb248 limits.d]# |
8. 创建mongodb实例服务管理脚本
为了方便对mongodb实例的启动和停止，可以先创建mongodb的启动脚本，停止脚本，然后在 /etc/init.d/ 目录下创建一个服务脚本，这样就可以用 service 进行实例管理了。
脚本1：启动脚本：
vim /home/mongodb/scripts/mongodb_start.sh
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#!/bin/sh # the scripts is used to start mongodb instance with port 27117. # created by zhaofx on 20161019. echo -n "Starting MongoDB port 27117 ... " /usr/ local /mongodb/bin/mongod --config /etc/mongodb/mongo_27117.conf & |
脚本二：停止脚本：
vim /home/mongodb/scripts/mongodb_stop.sh
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#!/bin/bash # the scripts is used to stop mongodb instance with port 27117. # created by zhaofx on 20161019. echo -n "Stopping MongoDB port 27117" pid=`ps -o pid,command ax | grep mongod | awk '!/awk/ && !/grep/ {print $1}' `; if [ "${pid}" != "" ]; then kill -2 ${pid}; fi |
脚本三：服务脚本：
vim /etc/init.d/mongodb
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vim /etc/init.d/mongodb #! /bin/sh # the scripts is used to mange mongodb service with linux service type. # created by zhaofx on 20161019. PATH=/usr/ local /mongodb/bin:/sbin:/bin:/usr/sbin:/usr/bin NAME =mongodb start(){ /home/mongodb/scripts/mongodb_start.sh } stop(){ /home/mongodb/scripts/mongodb_stop.sh } test -x $DAEMON || exit 0 set -e case "$1" in start) start ;; stop) stop ;; *) N=/etc/init.d/$ NAME echo "Usage: $N {start|stop}" >&2 exit 1 ;; esac exit 0 |
修改脚本的属组，添加执行权限：
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chown -R mongodb:mongodb /home/mongodb/scripts/ chown mongodb:mongodb /etc/init.d/mongodb chmod +x /home/mongodb/scripts/mongodb_start.sh chmod +x /home/mongodb/scripts/mongodb_stop.sh chmod +x /etc/init.d/mongodb |
最后服务启动和停止mongodb实例的过程为：
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[root@yq-mapp-otadb248 ~]# [root@yq-mapp-otadb248 ~]# service mongodb stop Stopping MongoDB port 27117 [root@yq-mapp-otadb248 ~]# [root@yq-mapp-otadb248 ~]# [root@yq-mapp-otadb248 ~]# [root@yq-mapp-otadb248 ~]# service mongodb start Starting MongoDB port 27117 ... [root@yq-mapp-otadb248 ~] about to fork child process, waiting until server is ready for connections. forked process: 36088 child process started successfully, parent exiting [root@yq-mapp-otadb248 ~]# |
以上所述是小编给大家介绍的mongodb 3.2.5安装过程详细记录，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持！
原文链接：http://blog.csdn.net/yumushui/article/details/52859650
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