Is it normal to have some slowdowns during streaming with nvenc?

[Somethinghells]

I see certain slowdowns in my streams, they're rather short(around 1 sec) but consistent(like every 30-60 secs).Is it OK? No ecodering or encoding lags, great connection.
https://snipboard.io/ASTuzv.jpg What should I look at to see if my gpu is overloaded? Obs log doesn't show any issues.

 

[PaiSand]

Please read the pinned posts on this forum.