配置文件详解

日志文件位置

logpath=/data/db/journal/mongodb.log

以追加方式写入日志

logappend=true

是否以守护进程方式运行

fork = true

默认27017

port = 27017

数据库文件位置

dbpath=/data/db

启用定期记录CPU利用率和 I/O 等待

cpu = true

是否以安全认证方式运行，默认是不认证的非安全方式

noauth = true
auth = true

详细记录输出

verbose = true

用于开发驱动程序时验证客户端请求

objcheck = true

Inspect all client data for validity on receipt (useful for developing drivers)

Enable db quota management 启用数据库配额管理

quota = true

设置oplog记录等级

diaglog=0

Set oplogging level where n is

0=off (default)

1=W

2=R

3=both

7=W+some reads

Diagnostic/debugging option 动态调试项

nocursors = true

Ignore query hints 忽略查询提示

nohints = true

禁用http界面，默认为localhost：28017

nohttpinterface = true

关闭服务器端脚本，这将极大的限制功能

noscripting = true

Turns off server-side scripting. This will result in greatly limited functionality

关闭扫描表，任何查询将会是扫描失败

notablescan = true

Turns off table scans. Any query that would do a table scan fails.

关闭数据文件预分配

noprealloc = true

Disable data file preallocation.

为新数据库指定.ns文件的大小，单位:MB

nssize = 

Specify .ns file size for new databases.

Replication Options 复制选项

replSet=setname

in replicated mongo databases, specify the replica set name here

maximum size in megabytes for replication operation log

oplogSize=1024

指定存储身份验证信息的密钥文件的路径

keyFile=/path/to/keyfile

path to a key file storing authentication info for connections between replica set members