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Bump default JVM heap and add OOM diagnostics #2044

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Bump default JVM heap and add OOM diagnostics #2044

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9d18836
Bump default JVM heap and add OOM diagnostics
jbonofre May 26, 2026
e37ea75
Keep Xms at 64M; only bump Xmx to 2G
jbonofre Jul 9, 2026
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8 changes: 7 additions & 1 deletion assembly/src/release/bin/activemq
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Original file line number Diff line number Diff line change
Expand Up @@ -198,8 +198,14 @@ if [ "$CONFIG_LOAD" != "yes" ];then
echo
fi

if [ -z "$ACTIVEMQ_OOM_OPTS" ] ; then
ACTIVEMQ_OOM_OPTS="-XX:+ExitOnOutOfMemoryError"
#ACTIVEMQ_OOM_DUMP_OPTS="-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=\"$ACTIVEMQ_DATA\" -XX:HeapDumpGzipLevel=6"
#ACTIVEMQ_OOM_OPTS="$ACTIVEMQ_OOM_OPTS $ACTIVEMQ_OOM_DUMP_OPTS"
fi

if [ -z "$ACTIVEMQ_OPTS" ] ; then
ACTIVEMQ_OPTS="$ACTIVEMQ_OPTS_MEMORY -Djava.util.logging.config.file=logging.properties -Djava.security.auth.login.config=\"$ACTIVEMQ_CONF\"/login.config"
ACTIVEMQ_OPTS="$ACTIVEMQ_OPTS_MEMORY $ACTIVEMQ_OOM_OPTS -Djava.util.logging.config.file=logging.properties -Djava.security.auth.login.config=\"$ACTIVEMQ_CONF\"/login.config"
fi


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15 changes: 13 additions & 2 deletions assembly/src/release/bin/setenv
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Original file line number Diff line number Diff line change
Expand Up @@ -31,10 +31,21 @@

# Set jvm memory configuration (minimal/maximum amount of memory)
if [ -z "$ACTIVEMQ_OPTS_MEMORY" ] ; then
ACTIVEMQ_OPTS_MEMORY="-Xms64M -Xmx1G"
ACTIVEMQ_OPTS_MEMORY="-Xms64M -Xmx2G"
fi

# Terminate the JVM on OutOfMemoryError so the broker is not left running in a degraded state.
# Heap dump on OOM is disabled by default to avoid unexpected disk usage (especially with large
# heap sizes). Uncomment ACTIVEMQ_OOM_DUMP_OPTS to enable heap dumps; -XX:HeapDumpGzipLevel=6
# requires JDK 17+.
if [ -z "$ACTIVEMQ_OOM_OPTS" ] ; then
ACTIVEMQ_OOM_OPTS="-XX:+ExitOnOutOfMemoryError"
#ACTIVEMQ_OOM_DUMP_OPTS="-XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=$ACTIVEMQ_DATA -XX:HeapDumpGzipLevel=6"
#ACTIVEMQ_OOM_OPTS="$ACTIVEMQ_OOM_OPTS $ACTIVEMQ_OOM_DUMP_OPTS"
fi

if [ -z "$ACTIVEMQ_OPTS" ] ; then
ACTIVEMQ_OPTS="$ACTIVEMQ_OPTS_MEMORY -Djava.util.logging.config.file=logging.properties -Djava.security.auth.login.config=$ACTIVEMQ_CONF/login.config"
ACTIVEMQ_OPTS="$ACTIVEMQ_OPTS_MEMORY $ACTIVEMQ_OOM_OPTS -Djava.util.logging.config.file=logging.properties -Djava.security.auth.login.config=$ACTIVEMQ_CONF/login.config"
fi

if [ -z "$ACTIVEMQ_OUT" ]; then
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