tazjin

import io.prometheus.client.*;
import io.prometheus.client.exporter.common.TextFormat;
import io.prometheus.client.hotspot.DefaultExports;
import spark.Request;
import spark.Response;

import java.io.IOException;
import java.io.StringWriter;
import java.util.Random;

itamarhaber

Create the file with the actual bytes, not the '\xnn\ representation. For example, in Python:

f = open('filename', 'w')
f.write('\x01\x02\x03')
f.close()

Load the file with redis-cli -x set keyname < filename