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fixes #29939

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Signed-off-by: Kamesh Akella <kamesh.asp@gmail.com>
This commit is contained in:
Kamesh Akella 2024-05-28 13:19:18 -04:00 committed by Alexander Schwartz
parent 49a2aaf7bc
commit 2f0576233b
2 changed files with 10 additions and 13 deletions
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12
quarkus/dist/src/main/content/bin/kc.bat vendored
View file

@ -77,21 +77,19 @@ setlocal EnableDelayedExpansion
if not "x%JAVA_OPTS%" == "x" (
echo "JAVA_OPTS already set in environment; overriding default settings"
) else (
rem The defaults set up Keycloak with '-XX:+UseG1GC -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=20 -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90' which proved to provide a good throughput and efficiency in the total memory allocation and CPU overhead.
rem The defaults set up Keycloak with '-XX:+UseG1GC -XX:MinHeapFreeRatio=40 -XX:MaxHeapFreeRatio=70 -XX:GCTimeRatio=12 -XX:AdaptiveSizePolicyWeight=10' which proved to provide a good throughput and efficiency in the total memory allocation and CPU overhead.
rem If the memory is not used, it will be freed. See https://developers.redhat.com/blog/2017/04/04/openjdk-and-containers for details.
rem To optimize for large heap sizes or for throughput and better response time due to shorter GC pauses, consider ZGC and Shenandoah GC.
rem As of KC22 and JDK17, G1GC, ZGC and Shenandoah GC seem to be eager to claim the maximum heap size. Tests showed that ZGC might need additional tuning in reclaiming dead objects.
set "JAVA_OPTS=-XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.err.encoding=UTF-8 -Dstdout.encoding=UTF-8 -Dstderr.encoding=UTF-8 -XX:+ExitOnOutOfMemoryError -Djava.security.egd=file:/dev/urandom -XX:+UseG1GC -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -XX:FlightRecorderOptions=stackdepth=512"
rem As of KC25 and JDK17, G1GC, ZGC and Shenandoah GC seem to be eager to claim the maximum heap size. Tests showed that ZGC might need additional tuning in reclaiming dead objects.
set "JAVA_OPTS=-XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.err.encoding=UTF-8 -Dstdout.encoding=UTF-8 -Dstderr.encoding=UTF-8 -XX:+ExitOnOutOfMemoryError -Djava.security.egd=file:/dev/urandom -XX:+UseG1GC -XX:FlightRecorderOptions=stackdepth=512"
if "x%JAVA_OPTS_KC_HEAP%" == "x" (
set "JAVA_OPTS_KC_HEAP=-XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=20"
if "!KC_RUN_IN_CONTAINER!" == "true" (
rem Maximum utilization of the heap is set to 70% of the total container memory
rem Initial heap size is set to 50% of the total container memory in order to reduce GC executions
set "JAVA_OPTS_KC_HEAP=!JAVA_OPTS_KC_HEAP! -XX:MaxRAMPercentage=70 -XX:MinRAMPercentage=70 -XX:InitialRAMPercentage=50"
set "JAVA_OPTS_KC_HEAP=-XX:MaxRAMPercentage=70 -XX:MinRAMPercentage=70 -XX:InitialRAMPercentage=50"
) else (
set "JAVA_OPTS_KC_HEAP=!JAVA_OPTS_KC_HEAP! -Xms64m -Xmx512m"
set "JAVA_OPTS_KC_HEAP=-Xms64m -Xmx512m"
)
set "JAVA_OPTS=!JAVA_OPTS! !JAVA_OPTS_KC_HEAP!"

11
quarkus/dist/src/main/content/bin/kc.sh vendored
View file

@ -93,20 +93,19 @@ fi
# Specify options to pass to the Java VM.
#
if [ -z "$JAVA_OPTS" ]; then
# The defaults set up Keycloak with '-XX:+UseG1GC -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=20 -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90' which proved to provide a good throughput and efficiency in the total memory allocation and CPU overhead.
# The defaults set up Keycloak with '-XX:+UseG1GC -XX:MinHeapFreeRatio=40 -XX:MaxHeapFreeRatio=70 -XX:GCTimeRatio=12 -XX:AdaptiveSizePolicyWeight=10' which proved to provide a good throughput and efficiency in the total memory allocation and CPU overhead.
# If the memory is not used, it will be freed. See https://developers.redhat.com/blog/2017/04/04/openjdk-and-containers for details.
# To optimize for large heap sizes or for throughput and better response time due to shorter GC pauses, consider ZGC and Shenandoah GC.
# As of KC22 and JDK17, G1GC, ZGC and Shenandoah GC seem to be eager to claim the maximum heap size. Tests showed that ZGC might need additional tuning in reclaiming dead objects.
JAVA_OPTS="-XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.err.encoding=UTF-8 -Dstdout.encoding=UTF-8 -Dstderr.encoding=UTF-8 -XX:+ExitOnOutOfMemoryError -Djava.security.egd=file:/dev/urandom -XX:+UseG1GC -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -XX:FlightRecorderOptions=stackdepth=512"
# As of KC25 and JDK17, G1GC, ZGC and Shenandoah GC seem to be eager to claim the maximum heap size. Tests showed that ZGC might need additional tuning in reclaiming dead objects.
JAVA_OPTS="-XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.err.encoding=UTF-8 -Dstdout.encoding=UTF-8 -Dstderr.encoding=UTF-8 -XX:+ExitOnOutOfMemoryError -Djava.security.egd=file:/dev/urandom -XX:+UseG1GC -XX:FlightRecorderOptions=stackdepth=512"
if [ -z "$JAVA_OPTS_KC_HEAP" ]; then
JAVA_OPTS_KC_HEAP="-XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=20"
if [ "$KC_RUN_IN_CONTAINER" = "true" ]; then
# Maximum utilization of the heap is set to 70% of the total container memory
# Initial heap size is set to 50% of the total container memory in order to reduce GC executions
JAVA_OPTS_KC_HEAP="$JAVA_OPTS_KC_HEAP -XX:MaxRAMPercentage=70 -XX:MinRAMPercentage=70 -XX:InitialRAMPercentage=50"
JAVA_OPTS_KC_HEAP="-XX:MaxRAMPercentage=70 -XX:MinRAMPercentage=70 -XX:InitialRAMPercentage=50"
else
JAVA_OPTS_KC_HEAP="$JAVA_OPTS_KC_HEAP -Xms64m -Xmx512m"
JAVA_OPTS_KC_HEAP="-Xms64m -Xmx512m"
fi
else
echo "JAVA_OPTS_KC_HEAP already set in environment; overriding default settings"