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  1. Minecraft: Java Edition
  2. MC-123779

When the new chunks are loading the client create huge lag spikes in singleplayer.( when loading 5-20 FPS, when loaded back to normal 50-60 fps.)

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    Details

    • Type: Bug
    • Status: Reopened
    • Resolution: Unresolved
    • Affects Version/s: Minecraft 18w01a, Minecraft 18w02a, Minecraft 18w03b, Minecraft 18w05a, Minecraft 18w08b, Minecraft 18w09a, Minecraft 18w11a, Minecraft 18w14a, Minecraft 18w15a, Minecraft 18w16a, Minecraft 18w19b, Minecraft 18w20a, Minecraft 18w20c, Minecraft 18w21a, Minecraft 18w21b, Minecraft 18w22a, Minecraft 18w22b, Minecraft 18w22c, Minecraft 1.13-pre1, Minecraft 1.13-pre2, Minecraft 1.13-pre3, Minecraft 1.13-pre4, Minecraft 1.13-pre5, Minecraft 1.13-pre6, Minecraft 1.13-pre7, Minecraft 1.13-pre8, Minecraft 1.13-pre9, Minecraft 1.13-pre10, Minecraft 1.13, Minecraft 18w30a, Minecraft 18w30b, Minecraft 18w31a, Minecraft 18w32a, Minecraft 18w33a, Minecraft 1.13.1-pre1, Minecraft 1.13.1-pre2, Minecraft 1.13.1, Minecraft 1.13.2-pre1, Minecraft 1.13.2-pre2, Minecraft 1.13.2, Minecraft 18w43b, Minecraft 18w43c, Minecraft 18w44a, Minecraft 18w45a, Minecraft 18w46a, Minecraft 18w47a, Minecraft 18w47b, Minecraft 18w48a, Minecraft 18w48b, Minecraft 18w49a, Minecraft 18w50a, Minecraft 19w02a
    • Fix Version/s: Minecraft 1.13-pre6
    • Environment:
    • Confirmation Status:
      Confirmed
    • Category:
      (Unassigned)

      Description

      The bug

      When the chunks load(only new chunks) the fps is going to decrease. Sometimes creating huge lag spikes when I enter the world(generating the new chunks, 1-10 fps). But when I creating a world or explore the world in creative mode I got huge fps drop. Sometimes the game freezes. In version 1.12.2 I had no such problems.

      And huge lag in superflat worlds.

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       Links for similar problems:

      1st https://www.minecraftforum.net/forums/minecraft-java-edition/recent-updates-and-snapshots/2907052-is-it-just-my-computer-or-is-minecraft-laggy-in

      2nd https://www.spigotmc.org/threads/bukkit-craftbukkit-spigot-bungeecord-1-13-pre7-development-builds.328883/page-14#post-3075276

      _________________________________________________________________________________

      Juho Niilekselä's videohttps://youtu.be/0MxGdhDQpH8

      _________________________________________________________________________________

       My recorded videos:

      Video of the 1.12.2 version: https://drive.google.com/file/d/1_--VpWTSXdAx5qe42cYyXZehZwKBAogd/view?usp=sharing

      Video of the 1.13 version: https://drive.google.com/file/d/1D7rE8P21D3L0o_zFf35Zb0H6P7xcLeWM/view?usp=sharing

       ________________________________________________________________________________

      My friends videos of 1.13: 

      https://drive.google.com/file/d/1WDS3WhGK8aLl-noUSSIXkS-Uo0RxZgcs/view?usp=sharing

      (He has CPU: 4x Intel(R) Core(TM) i5-7400 CPU @ 3.00 GHz,  GeForce GTX 1050 Ti/PCIe/SSE2, java update 1.8_51 64 bit)

      _________________________________________________________________________________

      Useful comments:

       

      Christian Rau's comment:

      I certainly optimized my world from 1.12.2 to 1.13 and experience an overall much more laggy gameplay. There's perceivable stuttering compared to a rather smooth gameplay in 1.12.2 and it's a seemingly constant situation. And it's a rather small singleplayer world (I explicitly culled the majority of my world's chunks in preparation for 1.13).

      FuturTybz's comment:

      I can confirm for 1.13 release. At first, I wondered if it was because of my bad PC but apparently not. The game is very smooth when standing still but there is a huge FPS drop when loading chunks that it is almost unplayable for those who have a low-end PC. There was no such issue in 1.12.2. This problem is still present when on a 1.13 vanilla multiplayer server.

      Martin Oláh's comment:

      Tested it myself, it stutters and lags alot, considering my specs are pretty high so this shouldn't be happening.

      • 1.13 is insanely laggy, I tried adding more ram (4gb) it fixed the issue for a while, after few minutes it stutters again
      • On 1.12.2 this doesn't happen at all, gameplay is butterly smooth also with 1gb allocated.
      • https://www.youtube.com/watch?v=VRkLWa1tm1s

       

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              • Assignee:
                Unassigned
                Reporter:
                ricsi123456789 Nagy Richárd
              • Votes:
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                25 Start watching this issue

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                • Created:
                  Updated:
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