MemorySweep for Minecraft: stable FPS and memory cleanup in heavy mods sets

MemorySweep is an efficient mod to clear Java RAM and remove freezes in large worlds. Install it via FoxyGame or the Forge/Fabric launcher right now for optimal performance.

Download memorysweep for Minecraft 1.21.1, 1.20.1, 1.19.3, 1.19.2, 1.18.2, 1.16.5

Original name: memorysweep

Minecraft: 1.20.1, 1.21.1, 1.16.5, 1.18.2, 1.19.2, 1.19.3

Loaders: Fabric, Forge, NeoForge

FileVersionLoaderSize
memorysweep-1.20.1-1.1.1-fabric.jar1.20.1Fabric14 КБDownload
memorysweep-1.20.1-1.1.0-fabric.jar1.20.1Fabric15 КБDownload
memorysweep-1.20.1-2.0.3-fabric.jar1.20.1Fabric24 КБDownload
memorysweep-1.20.1-2.0.2-fabric.jar1.20.1Fabric24 КБDownload
memorysweep-1.20.1-2.0.1-fabric.jar1.20.1Fabric24 КБDownload
memorysweep-fabric-2.0.0.jar1.20.1Fabric24 КБDownload
memorysweep-1.20.1-1.1.2-fabric.jar1.20.1Fabric14 КБDownload
memorysweep-1.21.1-1.1.2-fix-fabric.jar1.21.1Fabric15 КБDownload
memorysweep-1.21.1-1.1.1-fabric.jar1.21.1Fabric14 КБDownload
memorysweep-1.21.1-1.1.2-fabric.jar1.21.1Fabric14 КБDownload
MemorySweep-1.21.1-fabric-2.0.3.jar1.21.1Fabric22 КБDownload
MemorySweep-1.21.1-fabric-2.0.3-fix.jar1.21.1Fabric24 КБDownload
memorysweep-1.16.5-0.7.1.jar1.16.5Forge7 КБDownload
memorysweep-1.16.5-0.7.jar1.16.5Forge7 КБDownload
memorysweep-1.16.5-0.8.jar1.16.5Forge8 КБDownload
memorysweep-1.16.5-0.6.jar1.16.5Forge6 КБDownload
MemorySweep-1.18.2-0.4.jar1.18.2Forge6 КБDownload
MemorySweep-1.18.2-0.3.jar1.18.2Forge7 КБDownload
MemorySweep-1.18.2-0.5.jar1.18.2Forge7 КБDownload
MemorySweep-1.18.2-0.6.jar1.18.2Forge7 КБDownload
MemorySweep-1.18.2-0.8.jar1.18.2Forge9 КБDownload
MemorySweep-1.18.2-0.7.jar1.18.2Forge7 КБDownload
MemorySweep-1.19.2-0.6.jar1.19.2Forge7 КБDownload
MemorySweep-1.19.3-0.8.jar1.19.3Forge9 КБDownload
MemorySweep-1.19.3-0.6.jar1.19.3Forge7 КБDownload
MemorySweep-1.19.3-0.7.jar1.19.3Forge7 КБDownload
memorysweep-forge-2.0.0.jar1.20.1Forge23 КБDownload
memorysweep-1.20.1-2.0.3-forge.jar1.20.1Forge23 КБDownload
memorysweep-1.20.1-2.0.2-forge.jar1.20.1Forge23 КБDownload
memorysweep-1.20.1-2.0.1-forge.jar1.20.1Forge24 КБDownload
memorysweep-1.20.1-1.1.1-forge.jar1.20.1Forge13 КБDownload
memorysweep-1.20.1-1.1.2-forge.jar1.20.1Forge13 КБDownload
MemorySweep-1.20.1-1.0.0-forge.jar1.20.1Forge21 КБDownload
memorysweep-1.20.1-1.1.0-forge.jar1.20.1Forge15 КБDownload
memorysweep-1.21.1-1.1.2-fix-neoforge.jar1.21.1NeoForge14 КБDownload
memorysweep-1.21.1-1.1.2-neoforge.jar1.21.1NeoForge14 КБDownload
memorysweep-1.21.1-1.1.1-neoforge.jar1.21.1NeoForge13 КБDownload
MemorySweep-1.21.1-neoforge-2.0.3.jar1.21.1NeoForge21 КБDownload
MemorySweep-1.21.1-neoforge-2.0.3-fix.jar1.21.1NeoForge23 КБDownload

MemorySweep for Minecraft: Reduce Lag and Stabilize FPS

If you have spent years playing Minecraft with extensive modification packs or running on active servers, you likely know the feeling of performance degradation over time. Initially smooth gameplay can suddenly stall after an hour due to chunk loading delays and frame rate drops. This issue is rarely a hardware limitation but rather inefficient Java memory management. The solution lies in downloading MemorySweep for Minecraft: Reduce Lag and Stabilize FPS, a lightweight utility designed specifically to optimize the client environment.

CORE FUNCTIONALITY AND MEMORY MANAGEMENT

This add-on does not introduce new biomes, decorative items, or crafting recipes. Its sole purpose is technical optimization by preventing garbage accumulation in your RAM. The mod operates primarily through periodic invocation of System.gc(), which triggers the Java Garbage Collector to clean up unused memory blocks.


The default cleaning interval is set every fifteen minutes. Users can adjust this frequency in the configuration file to match their specific playstyle, whether playing vanilla or managing complex technology-based setups with numerous entities.

TARGETED MEMORY TRIGGERING

Beyond time-based triggers, MemorySweep supports threshold-based cleanup. When RAM usage reaches approximately 75%, the mod initiates a cleanup routine proactively to prevent system overload before it becomes critical. This is particularly beneficial for long survival sessions involving automated farms, chunk loaders, and complex redstone mechanisms.

CUSTOM COMMAND INTERFACE

The utility provides manual control commands allowing players to clear memory instantly without waiting for a scheduled cycle:

  • /memorysweep_c: Manually triggers garbage collection. Use this before teleporting to spawn or entering new biomes.
  • /memorysweep_s: A service command used to adjust operational parameters depending on the specific loader version installed.

Note: Avoid executing manual cleanup too frequently, such as every minute. Excessive Garbage Collection calls can induce micro-stutters and counterproductively lower performance.

CROSS-VERSION COMPATIBILITY AND INSTALLATION

The MemorySweep for Minecraft: Reduce Lag and Stabilize FPS mod is compatible with various versions of the game, but its efficacy varies based on load. For lightweight packs containing twenty to thirty mods, standard settings are sufficient. However, heavy modpacks generating structures or featuring new dimensions require manual configuration testing.

To install MemorySweep for Minecraft: Reduce Lag and Stabilize FPS, the recommended approach is using a unified launcher like foxygame.net. This eliminates tedious file management by allowing direct addition from within the menu interface, which saves significant time when switching between different versions.

JVM OPTIMIZATION PARAMETERS

A crucial aspect of performance tuning involves Java Virtual Machine flags. Standard garbage collection can cause noticeable pauses; to mitigate this in Java 11+, users should consider enabling concurrent execution with the parameter -XX:+ExplicitGCInvokesConcurrent.


If utilizing Java 17 or newer, switching to the modern ZGC garbage collector is highly effective. Use these flags: -XX:+UnlockExperimentalVMOptions -XX:+UseZGC. It is vital not to mix different collection strategies simultaneously. Disabling adaptive sizing policies alongside ZGC can lead to instability.

TROUBLESHOOTING COMMON ISSUES

The most frequent mistake users make is expecting immediate FPS gains comparable to graphical optimization mods. MemorySweep focuses on long-term stability rather than rendering speed. Another common error involves aggressive configuration settings; starting with default intervals and adjusting based on monitoring data yields better results.

SUITABILITY FOR SERVER ADMINISTRATION

This tool is essential for server administrators managing PvE environments heavy with mobs or automation farms, where memory behavior differs significantly from mini-games. There is no universal "ideal" interval; performance depends entirely on testing within your specific load profile.

CONCLUSION: WHO SHOULD USE THIS MOD

MemorySweep for Minecraft: Reduce Lag and Stabilize FPS acts as a necessary service mod for players seeking predictable long-distance performance. It streamlines memory handling automatically, via thresholds, or manually through commands. By eliminating technical friction such as gradual frame drops during extended sessions, it restores comfort to the gaming experience.