MongoDB parameter Description

# Use the following command to view the service's startup parameters Mongod--help or mongod-h # Other command parameters * Basic Configuration---------------------------------------------------------- ---------------------Quiet # quiet output--port arg # Specifies the service port number, the default port 27017 the--BIND_IP ARG # binding service IP, and if the 127.0.0.1 is bound, only native access, no default local all IP --logpath arg # Specifies the MongoDB log file, note that the specified file is not a directory--logappend # Use the Append method to write the log--pidfilepath the full path of the arg # PID file, if not set, then no PID file--k The full path to the private key of the Eyfile ARG # cluster, only valid--unixsocketprefix arg # UNIX domain socket substitution directory for the replica Set schema, (Default/tmp)--fork # runs MongoDB as a daemon, creating Server process--auth # Enable authentication--cpu # Periodically display CPU utilization and iowait--dbpath arg # Specify database path--diaglog arg # diaglog option 0=off 1=w 2=r 3=both 7 = W+some reads--directoryperdb # Settings Each database will be saved in a separate directory--journal # enable logging options, MONGODB data operations will be written to the Journal folder file-- Journaloptions arg # Enable log diagnostics option--ipv6 # enable IPV6 option--jsonp # allow JSONP form via HTTP access (with security implications)--maxconns ARG # Maximum simultaneous connection number default for--noaut H # Do not enable authentication--nohttpinterface # Close HTTP interface, default turn off 27018 port Access--noprealloc # Disable data file pre-allocation (often affect performance)--noscripting # Disable script engine--notablescan # Do not allow table Scan--nounixsocket # Disables UNIX socket sniffing--nsSize arg (=16) # Set letter database. ns file Size (MB)--objcheck # on receipt of customer data, check validity,--profile arg # file Parameters 0=off 1=slow, 2=all--quota # Limit each database Number of files, set defaults to 8--quotafiles arg # of files Allower per db, requires--quota--rest # Open a simple rest API--repair # fix all databases R The directory of files generated by the UN repair on the all DBS--repairpath arg # Repair library, default to directory name DBPath--slowms arg (=100) # Value of slow for profile and cons OLE Log--smallfiles # Use a smaller default file--syncdelay arg (=60) # data to disk in seconds (0=never, not recommended)--sysinfo # Print Some diagnostic system Information--upgrade # If you need to rise Level database * Replicaton parameter-------------------------------------------------------------------------------Fastsync # Enable the Library Replication Service from a dbpath, the DBPath database is a snapshot of the main library and can be used to quickly enable synchronization--autoresync # If you synchronize data from a library to the main library, automatically resynchronize,--oplogsize arg # Set the size of the Oplog (MB) * Master/from parameter-------------------------------------------------------------------------------Master # Main Library mode--slave # from library mode- SOURCE Arg # from the Library port number--only arg # Specify a single database replication--slavedelay ARG # Set the delay time from the Library synchronization main Library * Replica set (replica set) option:------------------------ -------------------------------------------------------Replset arg # sets the replica set name * Sharding (fragmentation) option--------------------------------------------------------------- ----------------Configsvr # declares that this is a cluster config service, the default port 27019, the default directory/data/configdb--shardsvr # declares that this is a cluster fragment, the default port 27018-- Nomoveparanoia # Off bigotry for movechunk data preservation? # All of the above parameters can be written to the mongod.conf configuration document for example: DBPath =/data/mongodb LogPath =/data/mongodb/mongodb.log Logappend = True Port = 27017 F Ork = True Auth = True