Mojira Archive
MCM-1322

Minecraft worlds use increasing more ram as the game plays.

We have an ocean world we are making with ships on it. We noticed that ram usage was over 3gig. We fond that on initial start the game would start at 1.5gig. (it uses 980mb just on the game menu screen BEFORE a map even loads) which then steadily increases until the game is unplayable. On my PC running a Ryzen 5000 with 32 gig of ram Minecraft was using 50% of cpu and ram after 10 minutes of the game playing without me moving to load any new chunks. We replaced all water blocks and lava blocks with ice, and trimmed the map from 90meg to 13mb and the same issue presents. All addons were removed, proving this issue is a pure map issue not a addon or command block issue.

At ram and CPU usage of this level every map we release will be unplayable and greylisted to heck and back.

This bug appears very similar to the memory leak issue found here: https://bugs.mojang.com/browse/MC-129492

This issue is destroying our ability to use Minecraft as a stable platform to develop on. If a copy of the map is required please request in slack.

Unresolved

Paul Watford

2021-03-31, 08:36 PM

2021-04-01, 01:58 AM

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