vadim-a-yegorov’s gists

vadim-a-yegorov / Liberica HotSpot JVM Flags 24GB RAM(4).txt

Created June 25, 2023 07:09

	-Xmx24576M -Xms24576M -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200
	-XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=40
	-XX:G1MaxNewSizePercent=50 -XX:G1HeapRegionSize=16M -XX:G1ReservePercent=15 -XX:G1HeapWastePercent=5
	-XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=20 -XX:G1MixedGCLiveThresholdPercent=90
	-XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem
	-XX:MaxTenuringThreshold=1 -Daikars.new.flags=true -Dusing.aikars.flags=https://mcflags.emc.gs

vadim-a-yegorov / Semeru OpenJ9 JVM Flags (3).txt

Last active June 25, 2023 07:04

	-XX:+IdleTuningGcOnIdle -XX:+UseAggressiveHeapShrink -XX:-OmitStackTraceInFastThrow
	-XX:+UseFastAccessorMethods -XX:+OptimizeStringConcat -Xaot -XX:+UseCompressedOops -XX:ObjectAlignmentInBytes=256
	-XX:SharedCacheHardLimit=800M -XX:+UseCodeCacheFlushing -Xshareclasses:none
	-XX:+TieredCompilation -XX:InitialTenuringThreshold=5 -Dlog4j2.formatMsgNoLookups=true
	-XX:-DisableExplicitGC -XX:InitiatingHeapOccupancyPercent=35 -XX:+UnlockExperimentalVMOptions
	-XX:MaxGCPauseMillis=50 -Djava.net.preferIPv4Stack=true -XX:-ParallelRefProcEnabled
	-XX:+UseTLAB -XX:ReservedCodeCacheSize=70M -Xgcpolicy:gencon -Xmns800M -Xmnx800M
	-XX:ConcGCThreads=2 -XX:+UseZGC -XX:AllocatePrefetchStyle=1 -XX:-ZProactive
	-XX:+UseTransparentHugePages -Xlp -Xlp64k -Xnoclassgc -Xcompressedrefs

vadim-a-yegorov / Liberica HotSpot JVM Flags (2).txt

Last active June 25, 2023 03:34

	-XX:MinHeapFreeRatio=25 -XX:MaxHeapFreeRatio=50 -XX:UsePerfData -Xgcthreads2 -Xcompactgc
	-XcompilationThreads4 -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200
	-XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30
	-XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -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

vadim-a-yegorov / Liberica HotSpot JVM Flags (1).txt

Last active June 25, 2023 03:34

	-XX:MinHeapFreeRatio=25 -XX:MaxHeapFreeRatio=50 -XX:UsePerfData -Xgcthreads2 -Xcompactgc
	-XcompilationThreads4 --add-modules=jdk.incubator.vector -XX:+UseG1GC -XX:+ParallelRefProcEnabled
	-XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+ExplicitGCInvokesConcurrent
	-XX:+AlwaysPreTouch -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
	-XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20

vadim-a-yegorov / sslkeylogger.js

Last active November 5, 2025 23:19

	/**
	* Android, iOS (12.0-15.7.3), Linux universal SSLKEYLOG dumper.
	*
	* Usage:
	*
	* # For iOS and mac:
	* rvictl -s [UDID]
	* # Then open Wireshark and select rvi0
	*
	* # For iOS and not mac:

Vadym Yehorov vadim-a-yegorov