systemLog:
   # verbosity: 0  #日志等級，0-5，默認(rèn)0
   # quiet: false  #限制日志輸出，
   # traceAllExceptions: true  #詳細(xì)錯(cuò)誤日志
   # syslogFacility: user #記錄到操作系統(tǒng)的日志級別彰居，指定的值必須是操作系統(tǒng)支持的，并且要以--syslog啟動(dòng)
   path: /Users/mhq/projects/db/mongo/logs/log.txt  #日志路徑慧邮。
   logAppend: false #啟動(dòng)時(shí)所刀，日志追加在已有日志文件內(nèi)還是備份舊日志后仰泻，創(chuàng)建新文件記錄日志, 默認(rèn)false
   logRotate: rename #rename/reopen撰洗。rename篮愉，重命名舊日志文件，創(chuàng)建新文件記錄差导；reopen试躏，重新打開舊日志記錄，需logAppend為true
   destination: file #日志輸出方式设褐。file/syslog,如果是file颠蕴，需指定path，默認(rèn)是輸出到標(biāo)準(zhǔn)輸出流中
   timeStampFormat: iso8601-local #日志日期格式络断。ctime/iso8601-utc/iso8601-local, 默認(rèn)iso8601-local
   # component: #各組件的日志級別
   #    accessControl:
   #       verbosity: <int>
   #    command:
   #       verbosity: <int>

processManagement:
   fork: true #以守護(hù)進(jìn)程運(yùn)行 默認(rèn)false
   # pidFilePath: <string> #PID 文件位置

net:
   port: 27017 #監(jiān)聽端口裁替，默認(rèn)27017
   bindIp: 127.0.0.1 #綁定監(jiān)聽的ip，deb和rpm包里有默認(rèn)的配置文件(/etc/mongod.conf)里面默認(rèn)配置為127.0.0.1,若不限制IP貌笨，務(wù)必確保認(rèn)證安全，多個(gè)Ip用逗號分隔
   maxIncomingConnections: 65536 #最大連接數(shù)襟沮，可接受的連接數(shù)還受限于操作系統(tǒng)配置的最大連接數(shù)
   wireObjectCheck: true #校驗(yàn)客戶端的請求锥惋，防止錯(cuò)誤的或無效BSON插入,多層文檔嵌套的對象會(huì)有輕微性能影響,默認(rèn)true
   ipv6: false #是否啟用ipv6,3.0以上版本始終開啟
   unixDomainSocket: #unix socket監(jiān)聽昌腰，僅適用于基于unix的系統(tǒng)
      enabled: false #默認(rèn)true
      pathPrefix: /tmp #路徑前綴，默認(rèn)/temp
      filePermissions: 0700 #文件權(quán)限 默認(rèn)0700
   http: #警告 確保生產(chǎn)環(huán)境禁用HTTP status接口膀跌、REST API以及JSON API以防止數(shù)據(jù)暴露和漏洞攻擊
      enabled: false #是否啟用HTTP接口遭商、啟用會(huì)增加網(wǎng)絡(luò)暴露。3.2版本后停止使用HTTP interface
      JSONPEnabled: false #JSONP的HTTP接口
      RESTInterfaceEnabled: false #REST API接口
   # ssl: #估計(jì)用不到捅伤，所以沒有自己看
   #    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: <boolean>
   #    disabledProtocols: <string>
   #    FIPSMode: <boolean>

security:
   authorization: enabled # enabled/disabled #開啟客戶端認(rèn)證
   javascriptEnabled:  true #啟用或禁用服務(wù)器端JavaScript執(zhí)行
   # keyFile: <string> #密鑰路徑
   # clusterAuthMode: <string> #集群認(rèn)證方式
   # enableEncryption: <boolean>
   # encryptionCipherMode: <string>
   # encryptionKeyFile: <string>
   # kmip:
   #    keyIdentifier: <string>
   #    rotateMasterKey: <boolean>
   #    serverName: <string>
   #    port: <string>
   #    clientCertificateFile: <string>
   #    clientCertificatePassword: <string>
   #    serverCAFile: <string>
   # sasl:
   #    hostName: <string>
   #    serviceName: <string>
   #    saslauthdSocketPath: <string>


# setParameter: #設(shè)置參數(shù)
#    <parameter1>: <value1>
#    <parameter2>: <value2>

storage:
   dbPath: /Users/mhq/projects/db/mongo/test/ #數(shù)據(jù)庫劫流，默認(rèn)/data/db,如果使用軟件包管理安裝的查看/etc/mongod.conf
   indexBuildRetry: true #重啟時(shí)，重建不完整的索引
   # repairPath: <string>  #--repair操作時(shí)的臨時(shí)工作目錄丛忆，默認(rèn)為dbPath下的一個(gè)_tmp_repairDatabase_<num>的目錄
   journal:
      enabled: true #啟動(dòng)journal,64位系統(tǒng)默認(rèn)開啟祠汇，32位默認(rèn)關(guān)閉
      # commitIntervalMs: <num> #journal操作的最大時(shí)間間隔，默認(rèn)100或30
   directoryPerDB: false #使用單獨(dú)的目錄來存儲(chǔ)每個(gè)數(shù)據(jù)庫的數(shù)據(jù),默認(rèn)false,如果需要更改熄诡，要備份數(shù)據(jù)可很，刪除掉dbPath下的文件，重建后導(dǎo)入數(shù)據(jù)
   # syncPeriodSecs: 60 #使用fsync來將數(shù)據(jù)寫入磁盤的延遲時(shí)間量,建議使用默認(rèn)值
   engine: wiredTiger #存儲(chǔ)引擎凰浮，mmapv1/wiredTiger/inMemory 默認(rèn)wiredTiger
   # mmapv1:
   #    preallocDataFiles: <boolean>
   #    nsSize: <int>
   #    quota:
   #       enforced: <boolean>
   #       maxFilesPerDB: <int>
   #    smallFiles: <boolean>
   #    journal:
   #       debugFlags: <int>
   #       commitIntervalMs: <num>
   # wiredTiger:
   #    engineConfig:
   #       cacheSizeGB: <number>  #緩存大小
   #       journalCompressor: <string> #數(shù)據(jù)壓縮格式 none/snappy/zlib
   #       directoryForIndexes: <boolean> #將索引和集合存儲(chǔ)在單獨(dú)的子目錄下我抠，默認(rèn)false
   #    collectionConfig:
   #       blockCompressor: <string> #集合數(shù)據(jù)壓縮格式
   #    indexConfig:
   #       prefixCompression: <boolean> #啟用索引的前綴壓縮
   # inMemory:
   #    engineConfig:
   #       inMemorySizeGB: <number>

operationProfiling: #性能分析
   slowOpThresholdMs: 100 #認(rèn)定為查詢速度緩慢的時(shí)間閾值，超過該時(shí)間的查詢即為緩慢查詢袜茧，會(huì)被記錄到日志中, 默認(rèn)100
   mode: off #operationProfiling模式 off/slowOp/all 默認(rèn)off

# replication: #復(fù)制集相關(guān)
#    oplogSizeMB: <int>
#    replSetName: <string>
#    secondaryIndexPrefetch: <string>
#    enableMajorityReadConcern: <boolean>
# sharding: #集群分片相關(guān)
#    clusterRole: <string>
#    archiveMovedChunks: <boolean>

# auditLog:
#    destination: <string>
#    format: <string>
#    path: <string>
#    filter: <string>

# snmp:
#    subagent: <boolean> #當(dāng)設(shè)置為true菜拓，SNMP作為代理運(yùn)行
#    master: <boolean> #當(dāng)設(shè)置為true，SNMP作為主服務(wù)器運(yùn)行

# basisTech:
#    rootDirectory: <string>