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  1. Minecraft: Java Edition
  2. MC-193261

Java memory garbage collection bug

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Duplicate
    • Affects Version/s: 1.16.1
    • Fix Version/s: None
    • Labels:
      None
    • Environment:
      java 8_251, windows home 64x, ryzen 7 2700x, x470 motherboard, 16gb corsair vengence rgb pro ram, 1660ti
    • Confirmation Status:
      Unconfirmed
    • Category:
      (Unassigned)

      Description

      when regularly playing I get about 300-400 fps, but for a very very quick second it drops to 4, then back up, then maybe 10-15 seconds later drops again. I've diagnosed that the problem has something to do with memory garbage recycling due to optifines lagometer thing and that my memory utilization (5gb/16gb allocated) rises to about 40% then dumps back to around 15%. The problem occurs on 1.15.2 and 1.16.1, have not tested other versions. I have changed jvm arguments adding -Xmn128M, but that just causes more drops, but that just causes it to drop more frequently still bringing me down to 4fps. I want to ask if anyone else has this problem or know a solution? 

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              Assignee:
              Unassigned Unassigned
              Reporter:
              Z_dog_ Zhi-yin Cheng
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                Updated:
                Resolved: