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Jvm tuning based on issue #91 #92

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Merged
shroffk merged 3 commits into from
Jun 11, 2026
Merged

Jvm tuning based on issue #91 #92

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5427f01
Add variables for configuring jdk heap #91
shroffk Jun 11, 2026
7fb01b9
Adding heap tuning options for AA #91
shroffk Jun 11, 2026
c26f61a
fix Phoebus var names to match existing ones in AA
shroffk Jun 11, 2026
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1 change: 1 addition & 0 deletions ansible/roles/archiver-appliance/defaults/main.yml
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Expand Up @@ -15,6 +15,7 @@ archiver_appliance_storage: "{{ tomcat_home }}/storage"
archiver_appliance_java_maxmetaspace: "256M"
archiver_appliance_java_initial_heapsize: "512M"
archiver_appliance_java_max_heapsize: "512M"
archiver_appliance_java_heap_tuning_opts: "-XX:MaxHeapFreeRatio=10 -XX:MinHeapFreeRatio=5 -XX:-ShrinkHeapInSteps"

# --- The user whose Firefox profile we are modifying ---
firefox_user: "{{ dev_user }}"
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2 changes: 1 addition & 1 deletion ansible/roles/archiver-appliance/templates/setenv.sh.j2
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Expand Up @@ -11,7 +11,7 @@
# only be used by Tomcat itself, not by the stop process,
# the version command etc.
# Examples are heap size, GC logging, JMX ports etc.
CATALINA_OPTS="-XX:MaxMetaspaceSize={{ archiver_appliance_java_maxmetaspace }} -XX:+UseG1GC -Xms{{ archiver_appliance_java_initial_heapsize }} -Xmx{{ archiver_appliance_java_max_heapsize }} -ea"
CATALINA_OPTS="-XX:MaxMetaspaceSize={{ archiver_appliance_java_maxmetaspace }} -XX:+UseG1GC -Xms{{ archiver_appliance_java_initial_heapsize }} -Xmx{{ archiver_appliance_java_max_heapsize }} {{ archiver_appliance_java_heap_tuning_opts }} -ea"

# CATALINA_TMPDIR (Optional) Directory path location of temporary directory
# the JVM should use (java.io.tmpdir). Defaults to
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5 changes: 5 additions & 0 deletions ansible/roles/phoebus/defaults/main.yml
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Expand Up @@ -6,6 +6,11 @@ phoebus_launcher: "/opt/epics-tools/lib/phoebus/phoebus-product/phoebus.sh"
phoebus_owner: "root"
force_gpu: false

# JAVA options
phoebus_java_initial_heapsize: "256M"
phoebus_java_max_heapsize: "1024M"
phoebus_java_heap_tuning_opts: "-XX:MaxHeapFreeRatio=10 -XX:MinHeapFreeRatio=5 -XX:-ShrinkHeapInSteps"

mvn_version: 3.9.14
mvn_home: "/opt/epics-tools/lib/apache-maven"

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2 changes: 2 additions & 0 deletions ansible/roles/phoebus/templates/run-phoebus.sh.j2
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Expand Up @@ -43,6 +43,8 @@ JDK_JAVA_OPTIONS=" -DCA_DISABLE_REPEATER=true"
JDK_JAVA_OPTIONS="$JDK_JAVA_OPTIONS -Dnashorn.args=--no-deprecation-warning"
JDK_JAVA_OPTIONS="$JDK_JAVA_OPTIONS -Djdk.gtk.verbose=false -Djdk.gtk.version=2 -Dprism.forceGPU={{ force_gpu }}"
JDK_JAVA_OPTIONS="$JDK_JAVA_OPTIONS -Dorg.csstudio.javafx.rtplot.update_counter=false"
JDK_JAVA_OPTIONS="$JDK_JAVA_OPTIONS -Xms{{ phoebus_java_initial_heapsize }} -Xmx{{ phoebus_java_max_heapsize }}"
JDK_JAVA_OPTIONS="$JDK_JAVA_OPTIONS {{ phoebus_java_heap_tuning_opts }}"
export JDK_JAVA_OPTIONS

echo $JDK_JAVA_OPTIONS
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