MongoDB Start Command mongod parameter description

Source: Internet
Author: User
Tags unix domain socket

The main parameters of Mongod are:

Basic Configuration *********************************************

--quiet # quiet Output
--port Arg # Specify the service port number, default ports 27017
--BIND_IP Arg # Bind service IP, if bind 127.0.0.1, can only native access, do not specify default local all IP
--logpath Arg # Specify the MongoDB log file, note that the specified file is not a directory
--logappend # Write a log using append
--pidfilepath Arg # The full path of the PID file, if not set, there are no PID files
--keyfile Arg # The full path of the cluster's private key, valid only for the replica Set schema
--unixsocketprefix Arg # UNIX domain Socket Alternative directory, (default =/tmp)
--fork # run MongoDB as a daemon and create a server process
--auth # Enable Validation
--cpu # Periodic display of CPU utilization and iowait
--dbpath Arg # Specify Database path
--diaglog Arg # Diaglog Options 0=off 1=w 2=r 3=both 7=w+some reads
--directoryperdb # Set each database to be saved in a separate directory
--journal # Enable logging option, MONGODB data operation will be written to the file in the Journal folder
--journaloptions Arg # Enable Log Diagnostics options
--ipv6 # Enable IPV6 option
--jsonp # Allow JSONP form to be accessed via HTTP (with security implications)
--maxconns Arg # Maximum number of simultaneous connections default 2000
--noauth # Do not enable validation
--nohttpinterface # Close the HTTP interface and turn off 27018 port access by default
--noprealloc # Disable data file pre-allocation (often impacting performance)
--noscripting # Disable scripting engine
--notablescan # No table scan allowed
--nounixsocket # Disable UNIX socket snooping
--nssize Arg (=16) # Set the message database. ns File Size (MB)
--objcheck # in the receipt of customer data, check the validity of
--profile Arg # file Parameters 0=off 1=slow, 2=all
--quota # limit the number of files per database, set default to 8
--quotafiles Arg # Number of files Allower per db, requires--quota
--rest # Open a simple rest API
--repair # fix all databases run repair on all DBS
--repairpath Arg # Fix the directory of the files generated by the library, default to directory name DBPath
--slowms Arg (=100) # Value of slow for profile and console log
--smallfiles # Use a smaller default file
--syncdelay Arg (=60) # Number of seconds data written to disk (0=never, not recommended)
--sysinfo # Print some diagnostic system Information
--upgrade # If you need to upgrade your database


replicaton**************************************************

--fastsync # from a dbpath enabled from the Library Replication service, the DBPath database is a snapshot of the main library and can be used to quickly enable synchronization
--autoresync # If synchronizing data from the library to the main library is much worse, automatic resynchronization
--oplogsize Arg # Set the size of the Oplog (MB)


Master/slave parameter ****************************************************

--master # Main Library Mode
--slave # from Library mode
--source Arg # from the Library port number
--only Arg # Specify a single database copy
--slavedelay Arg # Set the delay time for synchronizing the main library from the library


Replica set (replica set) option ************************************

--replset Arg # set Replica set name


Sharding (shard) Option ******************************************

--configsvr # Declare this is a clustered config service, default port 27019, default directory/data/configdb
--shardsvr # Declare this is a clustered shard, default port 27018
--nomoveparanoia # Turn off paranoid for movechunk data save


********************************************************************************************


# The above parameters can be written in the mongod.conf configuration document for example:

DBPath =/data/mongodb
LogPath =/data/mongodb/mongodb.log
Logappend = True
Port = 27017
Fork = True
Auth = True

Above, the startup parameters and their meanings are enumerated for the next use of the view.

MongoDB Start Command mongod parameter description

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