mojira.dev
MC-105138

Game has gotten extremely CPU intensive after 1.10

After the update the game has become extremely CPU intensive, started playing on a new world and there was a lot of tick lag and the game used 99% of the CPU. The framerate is normal

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Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report ([minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/finding-minecraft-data-folder]) to this ticket.

OpenGL: GeForce GTX 950M/PCIe/SSE2 GL version 4.5.0 NVIDIA 364.72, NVIDIA Corporation

At least your graphics driver is (slightly) outdated. Please update that to 368.69 from http://nvidia.com/ and try Minecraft without resource pack.

Here is the new crash report, things haven't gotten better, I've tried opening a new world in 1.9 and it has much less problems

I see the same issue on my Mac Mini. I've been running three minecraft servers on it for the last few months concurrently. Since updating to 1.10 (currently 1.10.1) the CPU usage has sky rocketed and I can no longer run all three concurrently. Going by memory, the CPU usage seems to have roughly doubled.

Upgrading my server to 1.10.2 made no difference. Killing all entities, except players, didn't help either.

I always run with the GUI (call me old fashioned) so, just for fun, I added the "nogui" option to the startup commend and... all my CPU issues went away.

My server was using ~200% CPU (I have a multi-core machine) with no players connected when using the GUI, but went to >1% CPU when I added the "nogui" option. Running all three servers now with no issues.

So my guess is that the CPU hogging is happening in the java Server GUI, although why 1.10 made it worse is still a mystery.

I was playing single player so it's not only a server problem. I think these are two separate issues

started playing on a new world and there was a lot of tick lag

Did you wait a moment? everything needs to be generated, populated, etc, and that takes time.

@unknown Please create a separate issue with your findings.

Yes yes, I played for 2 or three minecraft days but the lag continued

Is this still an issue in the most recent versions (currently that is 1.11) of Minecraft? If so, please update the affected versions and help us keeping this ticket updated from time to time. If you are the owner/reporter of this ticket, you can modify the affected version(s) yourself.

Enrico Ancilotto

(Unassigned)

Unconfirmed

Minecraft 1.10.2

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