Beispiel #1
0
        public static void Initialize()
        {
            // get list of Azure storage accounts
            accounts = PileusApp.Account.GetStorageAccounts(false);
            ClientRegistry.Init(accounts, accounts[configStorageSite]);

            // delete cloud configuration if desired
            if (clearConfiguration)
            {
                ReplicaConfiguration    configToDelete = new ReplicaConfiguration(containerName);
                ConfigurationCloudStore backingStore   = new ConfigurationCloudStore(accounts[configStorageSite], configToDelete);
                Log("Deleting configuration in Azure...");
                backingStore.DeleteConfiguration();
                Log("Done.  Now waiting for it to really take effect...");
                Thread.Sleep(40000);  // give system a chance to complete delete
            }

            // read/create configuration
            Log("Creating/reading configuration...");
            config = new ReplicaConfiguration(containerName, PrimaryServers, SecondaryServers, NonReplicaServers, ReadOnlySecondaryServers, cloudBackedConfiguration, stableConfiguration);
            ClientRegistry.AddConfiguration(config);

            // upload data into containers if desired
            if (reloadDatabase)
            {
                CreateDatabase(numBlobs);
            }

            // create SLAs
            slas                 = new Dictionary <string, ServiceLevelAgreement>();
            slas["strong"]       = CreateConsistencySla(Consistency.Strong);
            slas["causal"]       = CreateConsistencySla(Consistency.Causal);
            slas["bounded"]      = CreateBoundedConsistencySla(boundInSeconds);
            slas["readmywrites"] = CreateConsistencySla(Consistency.ReadMyWrites);
            slas["monotonic"]    = CreateConsistencySla(Consistency.MonotonicReads);
            slas["eventual"]     = CreateConsistencySla(Consistency.Eventual);
            currentSLA           = CreateFastOrStrongSla();
            slas["sla"]          = currentSLA;

            // get/create replicated container
            Log("Creating replicated container...");
            Dictionary <string, CloudBlobContainer> containers = new Dictionary <string, CloudBlobContainer>();

            foreach (string site in accounts.Keys)
            {
                CloudBlobClient    blobClient    = accounts[site].CreateCloudBlobClient();
                CloudBlobContainer blobContainer = blobClient.GetContainerReference(containerName);
                blobContainer.CreateIfNotExists();
                containers.Add(site, blobContainer);
            }
            container = new CapCloudBlobContainer(containers, PrimaryServers.First());
            container.Configuration = config;
            container.Monitor       = new ServerMonitor(config);

            configurator = new Configurator(containerName);
        }
Beispiel #2
0
        public static void Main(string[] args)
        {
            Process currProc = Process.GetCurrentProcess();

            containerName = "testcontainer"; //Guid.NewGuid().ToString("N").ToLower();

            if (args.Length == 0)
            {
                args = new string[7];

                // the number of test iterations
                args[0] = "1";

                // the number of blobs
                args[1] = "10";

                // the number of concurrent test workers.
                args[2] = "2";

                // the blob size in KB
                args[3] = "1024";

                // the number of parallel requests per blob
                args[4] = "1";

                // use https or not
                args[5] = "false";

                // the result folder name
                args[6] = "folder1";
            }

            iterations              = Int32.Parse(args[0]);
            blobs                   = Int32.Parse(args[1]);
            concurrency             = Int32.Parse(args[2]);
            blobSizeInKB            = Int32.Parse(args[3]);
            parallelRequestsPerBlob = Int32.Parse(args[4]);
            useHttps                = bool.Parse(args[5]);
            resultFileFolderName    = args[6];

            if (!Directory.Exists(resultFileFolderName))
            {
                Directory.CreateDirectory(resultFileFolderName);
            }

            resultFile = string.Format(@"{6}\{0}_{1}_{2}_{3}_{4}_{5}.csv", blobSizeInKB, parallelRequestsPerBlob, concurrency, useHttps, iterations, blobs, resultFileFolderName);

            ThreadPool.SetMinThreads(concurrency * parallelRequestsPerBlob, concurrency * parallelRequestsPerBlob);

            accounts = Account.GetStorageAccounts(useHttps);
            ClientRegistry.Init(accounts, accounts[configAccountName]);

            configuration = new ReplicaConfiguration(containerName);
            ClientRegistry.AddConfiguration(configuration);

            if (firstClient)
            {
                // delete configuration blob and tables
                // ReplicaConfiguration.DeleteConfiguration(containerName);
                ConfigurationCloudStore backingStore = new ConfigurationCloudStore(accounts[configAccountName], configuration);
                backingStore.DeleteConfiguration();

                CloudTableClient ConfigurationCloudTableClient = accounts[configAccountName].CreateCloudTableClient();
                CloudTable       slaTable = ConfigurationCloudTableClient.GetTableReference(ConstPool.SLA_CONFIGURATION_TABLE_NAME);
                slaTable.DeleteIfExists();
                slaTable = ConfigurationCloudTableClient.GetTableReference(ConstPool.SESSION_STATE_CONFIGURATION_TABLE_NAME);
                slaTable.DeleteIfExists();

                Console.WriteLine("removed everything, wait 40 seconds ...");
                Thread.Sleep(40000);

                // recreate configuration
                configuration.PrimaryServers.Add("dbtsouthstorage");
                configuration.SyncWithCloud(accounts[configAccountName], false);
                Console.WriteLine("recreated configuration, wait 10 seconds ...");
                Thread.Sleep(10000);
            }
            else
            {
                // retrieve configuration from cloud
                configuration.SyncWithCloud(accounts[configAccountName]);
            }

            if (firstClient)
            {
                slaEngine = new ConsistencySLAEngine(CreateShoppingCartSla1(), configuration);
            }
            else
            {
                slaEngine = new ConsistencySLAEngine(CreateShoppingCartSla2(), configuration);
            }

            blobClient    = accounts["dbtsouthstorage"].CreateCloudBlobClient();
            blobContainer = blobClient.GetContainerReference(containerName);
            blobContainer.CreateIfNotExists();
            capContainer = new CapCloudBlobContainer(blobContainer);

            // Generate random data
            BlobDataBuffer = new byte[1024 * blobSizeInKB];
            Random random = new Random();

            random.NextBytes(BlobDataBuffer);

            //ServiceLevelAgreement sla = CreateShoppingCartSla();

            Stopwatch totalWatch = new Stopwatch();

            totalWatch.Start();
            for (int m = 0; m < concurrency; m++)
            {
                ThreadPool.QueueUserWorkItem((o) =>
                {
                    Interlocked.Increment(ref concurrentWorkers);
                    for (int i = 0; i < iterations; i++)
                    {
                        Console.WriteLine("Running thread " + m + "." + i);
                        Console.WriteLine("concurrent workers: " + concurrentWorkers);
                        try
                        {
                            // do upload blob test.
                            var blobsList = UploadBlob();
                            Console.WriteLine("Upload Finished ...\n");

                            // GET and DELETE.
                            DoGetAndDelete(blobsList);
                            Console.WriteLine("DoGetAndDelete Finished ...\n");

                            configure("client", containerName);
                            Console.WriteLine("Configure Finished ...\n");
                        }
                        catch (Exception e)
                        {
                            Console.WriteLine(e.ToString());
                        }
                    }


                    Interlocked.Decrement(ref concurrentWorkers);
                });
            }
            Console.WriteLine("Program: Started to sleep");
            Thread.Sleep(5000);
            while (Interlocked.CompareExchange(ref concurrentWorkers, -1, 0) != -1)
            {
                if (concurrentWorkers < 0)
                {
                    break;
                }
                Console.WriteLine("Waiting for a thread because there are " + concurrentWorkers + " threads.");
                Thread.Sleep(5000);
            }

            Console.WriteLine("Finished execution. ");
            ClientRegistry.GetConfigurationContainer(containerName).Delete();
            blobContainer.DeleteIfExists();

            totalWatch.Stop();
            long totalTimeTaken = totalWatch.ElapsedMilliseconds;

            using (StreamWriter sw = new StreamWriter(resultFile))
            {
                sw.Write(String.Format("Total time taken to run the test in ms : {0}\n\n", totalTimeTaken));
                sw.Write(String.Format("Args:Concurrency: {0} BlobSizeInKB:{1} ParallelRequestsPerBlob:{2} UsingHttps:{3} \n", concurrency, blobSizeInKB, parallelRequestsPerBlob, useHttps));

                // display result
                DisplayResults(sw, "Insert", insertTimes);
                DisplayResults(sw, "Get", getTimes);
                DisplayResults(sw, "Delete", deleteTimes);

                float tmp = 0;
                foreach (SubSLA s in capContainer.SLA)
                {
                    tmp += s.Utility * s.NumberOfHits;
                }

                sw.Write(String.Format("Current utility ", tmp));


                // Display perf results
                PerfMetrics metrics = new PerfMetrics();
                metrics.Update(currProc);
                metrics.Print(sw);
            }

            Console.Read();
        }
Beispiel #3
0
        public static void Main(string[] args)
        {
            Console.CancelKeyPress += new ConsoleCancelEventHandler(Cancelled);

            if (args.Length == 0)
            {
                args = new string[7];

                //storage account locating configuration of given container
                args[0] = "dbtsouthstorage"; // "devstoreaccount1";

                // container name
                args[1] = "testcontainer";

                // the result folder name
                args[2] = "folder1";

                //sleep time between ticks in milliseconds.
                args[3] = "90000";

                //interval between configuration
                args[4] = "2";

                //duration of experiment in ticks
                args[5] = "24";

                //start tick for configuration
                args[6] = "1";
            }

            configurationSite    = args[0];
            containerName        = args[1];
            resultFileFolderName = args[2];

            sleepTimeBetweenTicks      = Int32.Parse(args[3]);
            ticksBetweenConfigurations = Int32.Parse(args[4]);
            experimentDurationInTicks  = Int32.Parse(args[5]);
            startTickOfConfiguration   = Int32.Parse(args[6]);

            Dictionary <string, CloudStorageAccount> acounts = Account.GetStorageAccounts(true);

            acounts.Remove("devstoreaccount1");
            ClientRegistry.Init(acounts, Account.GetStorageAccounts(true)[configurationSite]);
            ReplicaConfiguration configuration = ClientRegistry.GetConfiguration(containerName, false);

            Configurator conf = new Configurator(containerName);


            #region replicator
            Replicator replicator = new Replicator(containerName);
            replicator.Start();
            #endregion

            #region configurator

            List <ConfigurationConstraint> constraints = new List <ConfigurationConstraint>();
            //constraints.Add(new LocationConstraint(containerName, "dbteastasiastorage", LocationConstraintType.Replicate));
            constraints.Add(new ReplicationFactorConstraint(containerName, configuration, 1, 2));

            DateTime startTime = DateTime.Now;
            Thread.Sleep(startTickOfConfiguration * sleepTimeBetweenTicks);
            while (DateTime.Now.Subtract(startTime).TotalMilliseconds < (experimentDurationInTicks * sleepTimeBetweenTicks))
            {
                try
                {
                    configuration = ClientRegistry.GetConfiguration(containerName, false);
                    Console.WriteLine("Starting to reconfigure. Current Epoch: " + configuration.Epoch);
                    conf.Configure(ClientRegistry.GetConfigurationAccount(), configuration.Epoch, configuration, constraints);
                    Console.WriteLine(Configurator.Logs);
                    Console.WriteLine(">>>>>>>>>>> Finished. Current Epoch: " + configuration.Epoch + "<<<<<<<<<<<<<<<<");
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.StackTrace);
                }
                Thread.Sleep(ticksBetweenConfigurations * sleepTimeBetweenTicks);
            }

            #endregion

            return;
        }