chemicL

    @Test
    void testMDC() {
        Logger log = LoggerFactory.getLogger("test");

        Hooks.enableAutomaticContextPropagation();

        // To deal with the entire MDC (if we ensured no third-party code modifies it):
        // ContextRegistry.getInstance().registerThreadLocalAccessor(new MdcAccessor());

        // To deal with an individual key in the MDC:

chemicL

@BenchmarkMode({Mode.AverageTime})
@Warmup(iterations = 5, time = 5, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 5, time = 5, timeUnit = TimeUnit.SECONDS)
@Fork(value = 1)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@State(Scope.Benchmark)
public class MonoOptionalBenchmark {

	private static final Throwable EXCEPTION = new RuntimeException() {
		@Override