Lag spikes and game freezes

I haven't played league in a while. So I decided to get back on and try. My first game on, I kept on getting lag spikes every 3 seconds, I thought they were just random ones, until it kept happening for the entire game, and the next ones, not only did it lag spike, but the game kept freezing, or in some cases "Attempting to reconnect". Does anyone have a fix, it makes it unplayable. Until then I'll be on hiatus. Thanks in advance. (This started as of 04/06/2019, not sure if there was any update)
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