In my singleplayer world there are at least 5 chunks near my spawnchunks that create a lag spike when I cross in a certain direction. I RECREATED THIS ISSUE IN VANILLA, WITH NO OPTIFINE, NO RESOURCE PACKS, NO MODS, NO NOTHING. I REPEAT, THIS ISSUE IS NOT FROM A RESOURCE PACK, OR A MOD, IS IN VANILLA. Here is a video of an example of what is happening in my world. THIS VIDEO IS NOT OF MY SURVIVAL WORLD. BUT THE PROBLEM IS THE SAME: https://www.youtube.com/watch?v=3-rpttcUIm4
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Yes I know, the same problem in different versions. Unresolved

Thank you for your report!
We're tracking this issue in MC-229115, so this ticket is being resolved and linked as a duplicate.
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probably MC-162253