# xSQL Performance Monitor Parameters

> The xSQL configuration file can be used to enable the Performance Monitor and configure its settings.

> ### For a complete list of configuration options, see Configuration File Parameters.

> The `perfmon` section consists of a set of `name : value` pairs enclosed in braces. For example:

>     perfmon : {
>         database_size : 64m,
>     },

> The only supported parameter is `database_size`, which specifies the size of the in-memory database used to store performance metrics. The value can be expressed in kilobytes (`k`) or megabytes (`m`), e.g., `4096k`, `64m`.