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  1. Minecraft: Java Edition
  2. MC-137816

Enormous, constant lag spikes

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Duplicate
    • Affects Version/s: Minecraft 18w43b
    • Fix Version/s: None
    • Labels:
      None
    • Environment:
      *Java version:* Java 8 Update 151 (32- and 64-bit)

      *Processor:* Intel Core i7-7700K CPU at 4.20 GHz

      *Video card:* Radeon RX 480

      *RAM:* 16 GB

      *OS:* Windows 10, version 1803

      *Minecraft version:* 18w43b
    • Confirmation Status:
      Unconfirmed

      Description

      Upon loading up an extant world or creating a new one, the game mostly runs at 55-60 fps, but will intermittently and completely stop for 0.25 to 1.5 seconds. This does not seem to happen if the player stands still.

      With the debug screen open, a single spike visibly causes the frame rate to drop to 27, 14, or even 0.

      Pressing Shift + F3 to open the debug menu with graphs sometimes causes the game to crash with an unknown error.

      EDIT 2018-10-24 22:24 - I just managed to get the graphs without a crash. Attached is the FPS graph showing one such spike.

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              Assignee:
              Unassigned Unassigned
              Reporter:
              Twentydragon Twentydragon
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                Dates

                Created:
                Updated:
                Resolved: