o3de/Registry/Platform/Windows/streamer.launcher.setreg

{
    "Amazon":
    {
        "AzCore":
        {
            "Streamer":
            {
                "UseAllHardware": false,
                "Profiles":
                {
                    "Generic":
                    {
                        "Stack":
                        {
                            "Drive":
                            {
                                "$type": "AZ::IO::WindowsStorageDriveConfig",
                                // The maximum number of file handles that are cached. Only a small number are needed when running from 
                                // archives, but it's recommended that a larger number are kept open when reading from loose files.
                                "MaxFileHandles": 32,
                                // The maximum number of files to keep meta data, such as the file size, to cache. Only a small number are 
                                // needed when running from archives, but it's recommended that a larger number are kept open when reading 
                                // from loose files.
                                "MaxMetaDataCache": 32,
                                // The number of additional slots that will be reported as available. This makes sure that there are always
                                // a few requests pending to avoid starvation. An over-commit that is too large can negatively impact the 
                                // scheduler's ability to re-order requests for optimal read order. A negative value will under-commit and
                                // will avoid saturating the IO controller which can be needed if the drive is used by other applications.
                                "Overcommit": 8,
                                // Globally enable file sharing. This allows files to used outside AZ::IO::Streamer, including other 
                                // applications while in use by AZ::IO::Streamer.
                                "EnableFileSharing": false,
                                // Use unbuffered reads for the fastest possible read speeds by bypassing the Windows file cache. This 
                                // results in a faster read the first time a file is read, but subsequent reads will possibly be slower as
                                // those could have been serviced from the faster OS cache. During development or for games that reread 
                                // files frequently it's recommended to set this option to false, but generally it's best to be turned on.
                                "EnableUnbufferedReads": true,
                                // If true, only information that's explicitly requested or issues are reported. If false, status information
                                // such as when drives are created and destroyed is reported as well.
                                "MinimalReporting": false
                            }
                        }
                    }
                }
            }
        }
    }
}