Mongodb startup command parameter description in Chinese

We can view all the parameter descriptions of mongod through mongod --help. The following is the Chinese explanation of each parameter.

The basic configuration

 � quiet

#  Quiet output 
 � port arg

#  Specify the service port number, the default port 27017
 � bind_ip arg

#  Binding service IP If the binding 127.0.0.1 , can only be accessed natively without specifying the default local ownership IP
 � logpath arg

#  The specified MongoDB Log file. Note that the specified file is not a directory 
 � logappend

#  Log using append 
 � pidfilepath arg

# PID File  The full path, if not set, then not PID file 
 � keyFile arg

#  The full path of the private key of the cluster, only for Replica Set  Architecture effectively 
 � unixSocketPrefix arg

# UNIX The domain socket replaces the directory ,( The default is  /tmp)
 � fork

#  Run as a daemon MongoDB , create the server process 
 � auth

#  Enables validation 
 � cpu

#  Display on a regular basis CPU the CPU Utilization and iowait
 � dbpath arg

#  Specify the database path 
 � diaglog arg

# diaglog options  0=off 1=W 2=R 3=both 7=W+some reads
 � directoryperdb

#  Setup each database will be saved in 1 Two separate directories 
 � journal

#  Enable the logging option, MongoDB The data operation will be written to journal File in the folder 
 � journalOptions arg

#  Enable the log diagnostics option 
 � ipv6

#  To enable the IPv6 options 
 � jsonp

#  allow JSONP Form by HTTP Access (with security implications) 
 � maxConns arg

#  Maximum number of simultaneous connections   The default 2000
 � noauth

#  Do not enable validation 
 � nohttpinterface

#  Shut down http Interface, closed by default 27018 Port access 
 � noprealloc

#  Disable data file preallocation ( Tends to affect performance )
 � noscripting

#  Disable script engine 
 � notablescan

#  Table scans are not allowed 
 � nounixsocket

#  disable Unix Socket listening 
 � nssize arg (=16)

#  Set up the letter database .ns The file size (MB)
 � objcheck

#  Receiving customer data , Check for effectiveness, 
 � profile arg

#  Profile parameters  0=off 1=slow, 2=all
 � quota

#  Limit the number of files per database by default 8
 � quotaFiles arg

# number of files allower per db, requires  � quota
 � rest

#  Open simple rest API
 � repair

#  Fix all databases run repair on all dbs
 � repairpath arg

#  Fix the directory of files generated by the library , The default is the directory name dbpath
 � slowms arg (=100)

# value of slow for profile and console log
 � smallfiles

#  Use a smaller default file 
 � syncdelay arg (=60)

#  The number of seconds it takes for data to be written to disk (0=never, Is not recommended )
 � sysinfo

#  print 1 Some diagnostic system information 
 � upgrade

#  If you need to upgrade your database 

Replicaton parameters

 � fastsync

#  from 1 a dbpath Enable the slave library replication service in the dbpath Is a snapshot of the master library and can be used to quickly enable synchronization 
 � autoresync

#  If the slave database synchronizes with the master database much worse, automatically resynchronizes, 
 � oplogSize arg

#  Set up the oplog The size of the (MB)

Master/slave parameters

 � master

#  The main library 
 � slave

#  From library mode 
 � source arg

#  From the library   The port number 
 � only arg

#  Specify a single 1 Database replication of 
 � slavedelay arg

#  Sets the delay time for the slave library to synchronize the master library 

Replica set(replica set) option

 � replSet arg

#  Set the replica set name 

Sharding(sharding) option

 � configsvr

#  Statement that is 1 A cluster of config service , The default port 27019 , default directory /data/configdb
 � shardsvr

#  Statement that is 1 The sharding of a cluster , The default port 27018
 � noMoveParanoia

#  Close paranoia for moveChunk Save the data ?

Example:

./mongod -shardsvr -replSet shard1 -port 16161 -dbpath /data/mongodb/data/shard1a -oplogSize 100 -logpath /data/mongodb/logs/shard1a.log -logappend -fork -rest

The above parameters can be written into the mongod.conf configuration document, for example:

dbpath = /data/mongodb

logpath = /data/mongodb/mongodb.log

logappend = true

port = 27017

fork = true

auth = true