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mongodb 3.2.5安装详细过程
摘要: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...

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://www.mongodb.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:

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:

groupadd mongodb useradd -g mongodb mongodb

创建mongodb脚本目录

mkdir -p /home/mongodb/scripts/

修改目录权限:

chown -R mongodb:mongodb /home/mongodb/scripts/

在 /etc/profile 中添加 mongodb 用户的环境变量:

# 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:

[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;

cat /etc/security/limits.d/90-nproc.conf

修改这个文件中下列的值

* 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:

# 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:

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:

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:

[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:

mkdir -p /data/mongo_27117/{db,log,tmp}

创建mongodb实例配置文件所需目录和文件:

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

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:

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:

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:

[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:

/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:

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:

/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:

/usr/local/mongodb/bin/mongo --port=27117 -u useradmin -p mongodb_020248_Pass --authenticationDatabase admin

该步骤操作过程如下;

[root@yq-mapp-otadb248 local]# [root@yq-mapp-otadb248 local]# ps -ef|grep mongo root 32295 30115 0 12:12 pts/0 00:00:00 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 ? 00:00:00 /usr/local/mongodb/bin/mongod --config /etc/mongodb/mongo_27117.conf root 32359 30115 0 12:13 pts/0 00:00:00 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.com/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:

db.createUser({user:'admin',pwd:'admin',roles:[{role:'userAdminAnyDatabase',db:'admin'},{role:'dbAdminAnyDatabase',db:'admin'}]})

验证业务账号登陆:

/usr/local/mongodb/bin/mongo --port=27117 -u admin -p admin --authenticationDatabase admin

该步骤,实际操作过程如下:

> > 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。

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:

[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:

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:

cat /sys/kernel/mm/transparent_hugepage/enabled cat /sys/kernel/mm/transparent_hugepage/defrag

处理:

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:

[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

#!/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

#!/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

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:

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:

[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们留言,小编会及时回复大家的。在此也非常感谢大家对查字典教程网的支持!

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