"Reprint" MongoDB parameter

We can view all the parameter descriptions of Mongod by Mongod--help, and the following are the Chinese explanations of each parameter.

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 parameters
–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 parameters

–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?

Example:
./mongod-shardsvr-replset Shard1-port 16161-dbpath/data/mongodb/data/shard1a-oplogsize 100-logpath/data/mongodb/l Ogs/shard1a.log-logappend-fork-rest
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

Reference:
Http://blog.darkmi.com/2012/11/15/2470.html

"Reprint" MongoDB parameter