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Bug
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Resolution: Awaiting Response
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None
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1.19.51
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None
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Unconfirmed
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Windows
Every so often, when I'm just playing in a recent survival world I made, I'll come across a few chunks that suddenly spike up my CPU usage up to around 30-40% and the game becomes a laggy, stuttery, and delayed mess. The weird thing is, everything returns to normal as soon as I leave the chunk(s) in question. I have no clue why this keeps happening, there aren't an absurd amount of entities from what I can see, none of the video settings seem to be doing much of anything, it doesn't seem to have anything to do with my render distance after testing it out, and my simulation distance is already at the lowest it can be sitting at 4 chunks. My memory usage sits around 70% most of the time and doesn't seem to be causing any issues, but the CPU spikes seems to be the cause here as it's the only noticeable usage change anytime I run into these laggy chunks.
I'm using an XPS 13 Plus with the 12th Gen Intel Core i5-1240p, 8GB of RAM, and Windows 11.
[Update]:
Okay it seems like the source of the lag came from some entity related bug and I found this out when I tried using the "/kill" command to see if it had any effect. The bizarre thing is, the list of entities killed was absolutely enormous and was primarily just "Iron Shovels" of all things. I have no idea how that'd be the case when I've never crafted, gathered, or summoned any of them in this recent survival world. This has to be some weird game breaking bug that seems to greatly affect performance on at least some devices like mine with no rhyme or reason. It may come up again and again requiring the usage of the /kill command that can ruin in-game progress with farms and such.
[Update]:
It seems as though it's not just Iron Shovels causing this lag, but apparently this is possible with just about any seemingly random entity. I found this out by testing the same solution on another world I had with the same issue and, sure enough, it worked. Thing is, this time the massive killed entity list was all just a bunch of "Slime Balls". Once again, this enormous list of entities seems to just keep popping out of the blue somewhere in the world and always causes horrible performance drops with the only temporary solution I've found being the "/kill" command which is nowhere near ideal.