Mongodb help命令介绍

首先切换到Mongodb bin目录

第一步：按如下格式输入命令

C:\Documents and Settings\chenzhou>D:
D:\>cd D:\Mongodb\bin

第二步：键入help命令

D:\Mongodb\bin>mongod --help
Mon Dec 12 19:47:52
Mon Dec 12 19:47:52 ** NOTE: when using MongoDB 32 bit, you are limited to about 2 gigabytes of data
Mon Dec 12 19:47:52 **       see http://blog.mongodb.org/post/137788967/32-bit-limitations
Mon Dec 12 19:47:52 **       with --journal, the limit is lower
Mon Dec 12 19:47:52
Allowed options:

General options:
  -h [ --help ]          show this usage information
  --version              show version information【查看版本信息】
  -f [ --config ] arg    configuration file specifying additional options【把其他选项定义在配置文件中，然后通过配置文件启动】
  -v [ --verbose ]       be more verbose (include multiple times for more verbosity e.g. -vvvvv)
  --quiet                quieter output
  --port arg             specify port number【端口设置】
  --bind_ip arg          comma separated list of ip addresses to listen on  - all local ips by default
  --maxConns arg         max number of simultaneous connections【最大连接数设置】
  --objcheck             inspect client data for validity on receipt
  --logpath arg          log file to send write to instead of stdout - has  to be a file, not directory【日志文件所在的路径，必须配置为文件路径，而不是所在的目录】
  --logappend            append to logpath instead of over-writing【配置日志信息在日志文件中累加，而不是覆盖】
  --pidfilepath arg      full path to pidfile (if not set, no pidfile is created)
  --keyFile arg          private key for cluster authentication (only for  replica sets)
  --auth                 run with security
  --cpu                  periodically show cpu and iowait utilization
  --dbpath arg           directory for datafiles【配置数据库所在的路径】
  --diaglog arg          0=off 1=W 2=R 3=both 7=W+some reads
  --directoryperdb       each database will be stored in a separate  directory
  --journal              enable journaling【启用日志】
  --journalOptions arg       journal diagnostic options
  --journalCommitInterval arg      how often to group/batch commit (ms)
  --ipv6                           enable IPv6 support (disabled by default)
  --jsonp                          allow JSONP access via http (has security implications)【允许通过http访问jsonp格式数据（有安全隐患）】
  --noauth                         run without security
  --nohttpinterface                disable http interface
  --nojournal                      disable journaling (journaling is on by default for 64 bit)
  --noprealloc                     disable data file preallocation - will often hurt performance
  --noscripting                    disable scripting engine
  --notablescan                    do not allow table scans
  --nssize arg (=16)          .    ns file size (in MB) for new databases
  --profile arg                    0=off 1=slow, 2=all
  --quota                          limits each database to a certain number of files (8 default)
  --quotaFiles arg                 number of files allower per db, requires --quota
  --rest                           turn on simple rest api
  --repair                         run repair on all dbs
  --repairpath arg                 root directory for repair files - defaults to dbpath
  --slowms arg (=100)              value of slow for profile and console log
  --smallfiles                     use a smaller default file size
  --syncdelay arg (=60)            seconds between disk syncs (0=never, but not  recommended)
  --sysinfo                        print some diagnostic system information
  --upgrade                        upgrade db if needed

Windows Service Control Manager options:
  --install                       install mongodb service【安装Mongodb服务】
  --remove                        remove mongodb service【删除Mongodb服务】
  --reinstall                     reinstall mongodb service (equivilant of mongod  --remove followed by mongod --install)
  --serviceName arg               windows service name【Mongodb服务名称】
  --serviceDisplayName arg        windows service display name【Mongodb服务显示名称】
  --serviceDescription arg        windows service description
  --serviceUser arg               user name service executes as
  --servicePassword arg           password used to authenticate serviceUser

Replication options:
  --fastsync                      indicate that this instance is starting from a dbpath  snapshot of the repl peer
  --oplogSize arg                 size limit (in MB) for op log

Master/slave options:
  --master                        master mode
  --slave                         slave mode
  --source arg                    when slave: specify master as <server:port>
  --only arg                      when slave: specify a single database to replicate
  --slavedelay arg                specify delay (in seconds) to be used when applying master ops to slave
  --autoresync                    automatically resync if slave data is stale

Replica set options:
  --replSet arg         arg is <setname>[/<optionalseedhostlist>]

Sharding options:
  --configsvr                     declare this is a config db of a cluster; default port  27019; default dir /data/configdb
  --shardsvr                      declare this is a shard db of a cluster; default port  27018
  --noMoveParanoia                turn off paranoid saving of data for moveChunk.  this is on by default for now, but default will switch