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Updated on 2026-06-23 GMT+08:00

Which Instance Parameters Should I Focus On?

Related parameters are described as follows:

For details on parameter descriptions, visit MongoDB official website.
Table 1 Parameters

Parameter

Description

net.maxIncomingConnections

The default value of this parameter depends on instance specifications. This parameter is set to default before being specified.

disableJavaScriptJIT and security.javascriptEnabled

They are used together to control whether statistical functions can run.

disableJavaScriptJIT

The default value is true, indicating that JavaScript JIT compilation is disabled.

security.javascriptEnabled

The default value is false, which prevents JavaScript execution on the mongod process. As a result, commands such as mapReduce and group cannot be used.