youtube gaming streaming status bad

Hello, I want to record the screen and my voice to publish it on YouTube and I want the best settings for obs , condition that the file size is not huge. I want to record an hour and the file size is 1giga , for example. I do not want the quality to be wow but acceptable

Hello ! I am streaming on youtube 1080P 60FPS and sometimes my quality goes from Good to OK/Bad and I don't know why , my internet speed is 400MB up and 200MB down so I guess something is throttling or interfering with the conection causing it to not be able to send the necessary data The...