Java OOM Error

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Boxer posted this in #questions

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BoxerOP

2025-02-21T17:03:29.875Z

java -Xms26G -Xmx26G -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions -XX:+AlwaysActAsServerClassMachine -XX:+AlwaysPreTouch -XX:+DisableExplicitGC -XX:+UseNUMA -XX:AllocatePrefetchStyle=3 -XX:NmethodSweepActivity=1 -XX:ReservedCodeCacheSize=400M -XX:NonNMethodCodeHeapSize=12M -XX:ProfiledCodeHeapSize=194M -XX:NonProfiledCodeHeapSize=194M -XX:-DontCompileHugeMethods -XX:+PerfDisableSharedMem -XX:+UseFastUnorderedTimeStamps -XX:+UseCriticalJavaThreadPriority -XX:+EagerJVMCI -XX:+UseG1GC -XX:MaxGCPauseMillis=130 -XX:G1NewSizePercent=28 -XX:G1HeapRegionSize=16M -XX:G1ReservePercent=20 -XX:G1MixedGCCountTarget=3 -XX:InitiatingHeapOccupancyPercent=10 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=0 -XX:SurvivorRatio=32 -XX:MaxTenuringThreshold=1 -XX:G1SATBBufferEnqueueingThresholdPercent=30 -XX:G1ConcMarkStepDurationMillis=5 -XX:G1ConcRSHotCardLimit=16 -XX:G1ConcRefinementServiceIntervalMillis=150 @libraries/net/minecraftforge/forge/1.20.1-47.3.12/unix_args.txt --nogui

BoxerOP

2025-02-21T17:03:49.795Z

javacrash.txt

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@Boxer java -Xms26G -Xmx26G -XX:+UnlockExperimentalVMOptions -XX:+UnlockDiagnosticVMOptions -XX:+AlwaysActAsServerClassMachine -XX:+AlwaysPreTouch -XX:+DisableExplicitGC -XX:+UseNUMA -XX:AllocatePrefetchStyle=3 -XX:NmethodSweepActivity=1 -XX:ReservedCodeCacheSize=400M -XX:NonNMethodCodeHeapSize=12M -XX:ProfiledCodeHeapSize=194M -XX:NonProfiledCodeHeapSize=194M -XX:-DontCompileHugeMethods -XX:+PerfDisableSharedMem -XX:+UseFastUnorderedTimeStamps -XX:+UseCriticalJavaThreadPriority -XX:+EagerJVMCI -XX:+UseG1GC -XX:MaxGCPauseMillis=130 -XX:G1NewSizePercent=28 -XX:G1HeapRegionSize=16M -XX:G1ReservePercent=20 -XX:G1MixedGCCountTarget=3 -XX:InitiatingHeapOccupancyPercent=10 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=0 -XX:SurvivorRatio=32 -XX:MaxTenuringThreshold=1 -XX:G1SATBBufferEnqueueingThresholdPercent=30 -XX:G1ConcMarkStepDurationMillis=5 -XX:G1ConcRSHotCardLimit=16 -XX:G1ConcRefinementServiceIntervalMillis=150 @libraries/net/minecraftforge/forge/1.20.1-47.3.12/unix_args.txt --nogui

Tamz

2025-02-21T17:03:54.553Z

ok this is indeed modded
lower the -XMS. for modded it doesnt like that xms and xmx are on the same value

BoxerOP

2025-02-21T17:04:15.598Z

what would be you recomended value for the min?

Tamz

2025-02-21T17:04:19.377Z

what modpack
how long has it been running
whos ur host
how much total ram do you pay for
is this a dedicated machine
why graal?
what cpu?

@Boxer what would be you recomended value for the min?

Tamz

2025-02-21T17:04:26.635Z

start low, like 1-2gb vs all of it

BoxerOP

2025-02-21T17:04:40.636Z

integrated minecraft

usually runs 4 hours before crash

26 gigs

dedicated machine that hosts 2 servers

9950 x cpu

just switched off graal they had a fualty java instal

Large garden bumble bee

2025-02-21T17:06:08.310Z

This is what I got from Reddit

-XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=32M -XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true

Those flags are for ATM but should work the same

@Large garden bumble bee Those flags are for ATM but should work the same

Tamz

2025-02-21T17:08:15.808Z

hes using Graal

so graal has a bit of a different use requirement for flags

@Boxer just switched off graal they had a fualty java instal

Tamz

2025-02-21T17:08:40.538Z

understood, ok lowering the xms could help long term wise

let me find some graal flags

BoxerOP