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  1. Minecraft: Java Edition
  2. MC-135290

server can't keep up when player is on same subnet/lan

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • Minecraft 1.13
    • None
    • Unconfirmed

      server can handle 1-3 players as expected when logging in via WAN connection (port forwarded) but will lag more than expected when a single LAN player is added. single lan player can trigger "Can't keep up! Is the server overloaded? Running Xms or Y ticks behind" more frequently than 3 players playing remotely.

      when this happens, remote players are affected by lag the most while lan players have only slightly noticeable issues. lan players would have slight rubber banding/food taking longer to eat/etc while remote players would have to wait triple the time for a block break to be registered by the server.

      a single lan player playing normally would max one thread of cpu (which thread it was would alternate) regularly

            Unassigned Unassigned
            pyr0m4niac@gmail.com Donald Gray
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              Created:
              Updated:
              Resolved: