public static void main(String[] args) throws Exception {
        final LargePayloadBenchmark benchmark = new LargePayloadBenchmark();
        benchmark.setUp();
        try {
            benchmark.normal();
        } finally {
            benchmark.tearDown();
        }
    }
A {@link Benchmark} to check performance of armeria-grpc with large payloads in the megabytes, which is
a relatively common use case for a binary proxy (metadata + large binary blobs).
benchmarks/jmh/src/jmh/java/com/linecorp/armeria/grpc/downstream/LargePayloadBenchmark.java