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  1. Minecraft: Java Edition
  2. MC-67788

Worlds barely load if at all, chunks won't render, or render very slowly, most things "lagged".

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Duplicate
    • Affects Version/s: Minecraft 14w33c
    • Fix Version/s: None
    • Labels:
      None
    • Environment:
    • Confirmation Status:
      Unconfirmed

      Description

      I've been playing the snapshots for a while with no issues outside of the VBO issue I submitted before. Suddenly, earlier today, I went to switch between worlds and found that the creative world I had would not render in. No world I switched to would render in. They only rendered when lowering the view distance, but even then, chunks would load slowly or not at all, and there would be huge lag spikes, despite playing offline.

      Attempting to load maps are now very slow, with it stalling on "Downloading Terrain" typically, and attempting to quit results in another hang up.

      I should note that I was noticing some minor lag stuttering last night as I was riding my horse in my main world.

      This is the kind of warning I get from the log file:
      [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 42034ms behind, skipping 840 tick(s)

      Playing with the maximum allotted memory has little effect. I decreased it from 8 to 4, and all that happened was that the stalling on map load and saving/quitting was reduced a bit.

      I have had no issues in the past, and have been running at 32 chunk view distance without issue since it has become an option. Prior to that I have also never had issues with performance on this machine.

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              Assignee:
              Unassigned Unassigned
              Reporter:
              ToastyPotato Jo S Mor
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