概述：
在启动mongod和mongos时可以通过配置文件来启动控制实例。
该配置文件包含的设置同等于mongod和mongos命令选项。
使用配置文件管理mongod和mongos更容易，特别是对于大规模部署。
还可以在配置文件中添加注释来解释服务器设置选项。
使用配置文件：
要启动mongod和mongos时使用配置文件，通过–config或者-f选项指定配置文件。
例：
mongod –config /etc/mongod.conf //–config可以用-f替代
mongos –config /etc/mongos.conf
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文件格式：
MongoDB的配置文件使用YAML格式。
注意：YAML不接受tab，请使用空格代替。
官方地址介绍：点击跳转。
#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 Options systemLog: # verbosity: 0 #Default: 0; 1 to 5 increases the verbosity level to include Debug messages. # quiet:# traceAllException: # syslogFacility: user path: "/usr/local/mongodb/log/mongod.log" logAppend: true # logRotate: #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 # journal: # verbosity: # write: # verbosity: 0 # # ########ProcessManagement Options processManagement: fork: true pidFilePath: "/usr/local/mongodb/log/mongod.pid" # # #########Net Options net: port: 27017 # bindIp: #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: # deprecated since 2.6 # mode: # PEMKeyFile: # PEMKeyPassword: # clusterFile: # clusterPassword: # CAFile: # CRLFile: # allowConnectionsWithoutCertificates: # allowInvalidCertificates: # allowInvalidHostnames: false # FIPSMode: # # ########security Options #security: # keyFile: # clusterAuthMode: keyFile # authorization: disable # javascriptEnabled: true ########security.sasl Options # sasl: # hostName: # serviceName: # saslauthdSocketPath: # # #########setParameter Option setParameter: enableLocalhostAuthBypass: false # : # : # # #########storage Options storage: 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: # commitIntervalMs: 100 # 100 or 30 #########storage.wiredTiger Options # wiredTiger: # engineConfig: # cacheSizeGB: #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 Options #replication: # oplogSizeMB: # replSetName: # secondaryIndexPrefetch: all # # ##########sharding Options #sharding: # clusterRole: #configsvr or shardsvr # archiveMovedChunks: True # # #########auditLog Options #auditLog: # destination: #syslog/console/file # format: #JSON/BSON # path: # filter: # # #########snmp Options #snmp: # subagent: # master: # # ########mongos-only Options #replication: # localPingThresholdMs: 15 # #sharding: # autoSplit: true # configDB: # chunkSize: 64 # # ########Windows Service Options #processManagement: # windowsService: # serviceName: # displayName: # description: # serviceUser: # servicePassword:
