peerRESTMethodSpeedTest             = "/speedtest"
	peerRESTMethodDriveSpeedTest        = "/drivespeedtest"
	peerRESTMethodDevNull               = "/devnull"
	peerRESTMethodNetperf               = "/netperf"
	peerRESTMethodGetReplicationMRF     = "/getreplicationmrf"
)

const (
	peerRESTBucket          = "bucket"
	peerRESTBuckets         = "buckets"
	peerRESTUser            = "user"
	peerRESTGroup           = "group"

        Graph graph = new Graph();
        graph.addEdge("a1", "a2");
        assertThrows(Graph.CycleDetectedException.class, () -> graph.addEdge("a2", "a1"));
    }

    @Test
    public void testPerf() throws IOException {
        List<String[]> data = new ArrayList<>();
        String k = null;
        for (String line : Files.readAllLines(Paths.get("src/test/resources/dag.txt"))) {
            if (line.startsWith("\t")) {