About the "MongoDB" 3.0 configuration file

Overview:
You can start the control instance through a configuration file when you start Mongod and MONGOs.
The configuration file contains settings equal to the Mongod and MONGOs command options.

using profiles to manage Mongod and mongos is easier, especially for large-scale deployments.
You can also add comments to the configuration file to interpret the server settings options.


To use a configuration file:
to start Mongod and MONGOs using a configuration file, specify the configuration file with the –config or-f option.
Example:
mongod–config/etc/mongod.conf//–config can be replaced with-f
mongos–config/etc/mongos.conf

File format:
mongodb configuration file uses Yaml format.
Note: Yaml does not accept tab, use a space instead.

official Address description: Click to jump.

#此处为配置文件可配置的内容 #mongod config file  #MongoDB  configuration files use the  yaml format. #The  following example configuration file contains  several mongod settings.######## #Example  start######## #systemLog: #   destination : file#   path:  "/var/log/mongodb/mongodb.log" #   logappend: true #storage: #   journal:#      enabled: true#processmanagement: #   fork: true#net:#   bindip: 127.0.0.1#   port:  27017#setparameter:#   enablelocalhostauthbypass: false######## #Example  end########## ###### #Core  OptionssystemLog:#   verbosity: 0     #Default:  0 ;  1 to 5 increases the verbosity level to include debug  messages.#   quiet: <boolean>#   traceallexception: <boolean>#    syslogFacility: user   path:  "/usr/local/mongodb/log/mongod.log"     logAppend: true#   logRotate: <string>     #rename  or reopen   destination: file#   timeStampFormat:  iso8601-local#   component:#      accesscontrol:#          verbosity: 0#      command:#          verbosity: 0#      #  comment additional component verbosity settings omitted for brevity#       storage:#         verbosity:  0#     &nbsP;   journal:#            verbosity : <int>#      write:#          verbosity: 0######### #ProcessManagement  OptionsprocessManagement:   fork:  true   pidfilepath:  "/usr/local/mongodb/log/mongod.pid" ########## #Net  optionsnet:    port: 27017#   bindip: <string>    # default all interfaces.#   maxincomingconnections: 65536#    wireobjectcheck: true#   ipv6: false#   unixdomainsocket:#       enabled: true#      pathPrefix:  "/tmp" #       filePermissions: 0700#   http:#       enabled: false#      jsonpenabled: false#       Restinterfaceenabled: false#   ssl:#      sslonnormalports:  <boolean>  # deprecated since 2.6#       mode: <string>#      pemkeyfile: <string>#       pemkeypassword: <string>#      clusterfile:  <string>#      clusterPassword: <string>#       CAFile: <string>#      CRLFile: < string>#      allowconnectionswithoutcertificates: <boolean>#       allowInvalidCertificates: <boolean>#       allowinvalidhostnames: false#      fipsmode: <boolean>######### #security  options#security:#    keyFile: <string>#   clusterAuthMode: keyFile#    authorization: disable#   javascriptenabled:  true####### #security. SASL  Options#   sasl:#      hostName: <string>#       serviceName: <string>#       saslauthdsocketpath: <string>########## #setParameter  OptionsetParameter:    enablelocalhostauthbypass: false#   <parameter1>: <value1>#    <parameter2>: <value2>########## #storage  optionsstorage:   dbpath:   "/data/db" #   indexbuildretry: true#   repairpath:  "/data/db/_ TMP "#   journal:#      enabled: true#   directoryperdb: false#    syncPeriodSecs: 60   engine:  "Mmapv1"    #Valid  options  include mmapv1 and wiredtiger.######## #storage. mmapv1 options#   mmapv1:#       preallocdatafiles: true#      nssize:  16#      quota:#          enforced: false#         maxfilesperdb: 8#       smallFiles: false#      journal:#          debugFlags: <int>#          commitintervalms: 100   # 100 or 30######## #storage. WiredTiger  options#   wiredtiger:#      engineconfig:#          cacheSizeGB: <number>   #Default:  the maximum of half of  physical RAM or 1 gigabyte#          statisticslogdelaysecs: 0#         journalcompressor:  " Snappy "#         directoryforindexes: false#       collectionConfig:#          blockcompressor:  "Snappy" #      indexconfig:#          prefixcompression: true########### #operationProfiling  options# operationprofiling:#   slowopthresholdms: 100#   mode:  "Off" ########## # #replication &NBSP;OPTIONS#REPLICATION:#&NBSP;&NBsp; oplogsizemb: <int>#   replsetname: <string>#    secondaryindexprefetch: all########### #sharding  options#sharding:#   clusterrole:  <string>     #configsvr  or shardsvr#    archivemovedchunks: true########## #auditLog  Options#auditLog:#   destination:  <string>    #syslog/console/file#   format: <string>     #JSON/bson#   path: <string>#   filter: <string>#### ###### #snmp  options#snmp:#   subagent: <boolean>#   master:  <boolean>######### #mongos-ONLY&NBSP;OPTIONS#REPLICATION:#&NBSP;&NBSP;&NBSP;LOCALPINGTHRESHOLDMS:  15# #sharding: #   autosplit: true#   configdb: <string>#    chunksize: 64######## # #Windows  Service Options#processManagement:#   windowsService:#       serviceName: <string>#      displayName: < string>#      description: <string>#       serviceuser: <string>#      servicepassword: <string >

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About the "MongoDB" 3.0 configuration file