checkpoint.cmd.sh

#!/bin/bash

detect_native_client() {
	/jdk/bin/java -cp /function:/function/lib/* /usr/local/lib/TryLoad.java $@
}

export AWS_NATIVE_CLIENT=$(detect_native_client /function/lib/jni/libaws-lambda-jni.*.so)
# Don't create dump4.log
export CRAC_CRIU_OPTS="--compress -o -"

# Ensure small PID, for privileged-less criu to be able to restore PID by bumping.
# But not too small, to avoid clashes with other occasional processes on restore.
# Experimentally -XX:CPUFeatures=0x21801fdbbd7,0x3e6 would work but to be on the safe
# side in this example we'll go with generic
exec /aws-lambda-rie /jdk/bin/java \
		-Xshare:off \
		-XX:-UsePerfData \
		-XX:CRaCMinPid=128 \
		-XX:CPUFeatures=generic \
		-XX:CRaCCheckpointTo=/cr \
		-cp /function:/function/lib/* \
		-Dcom.amazonaws.services.lambda.runtime.api.client.runtimeapi.NativeClient.JNI=$AWS_NATIVE_CLIENT \
		--add-opens java.base/java.util=ALL-UNNAMED \
		com.amazonaws.services.lambda.runtime.api.client.AWSLambda "$@"