コード例 #1
0
        public NaivePreHeat_remoteread(string dataFilePath, int K, string outputFilePath, int chunkSize, string mdserver, LocationInfo li, int endSlotIndex)
        {
            this.dataFilePath   = dataFilePath;
            occupancyKey        = new StrKey("occupancy");
            random              = new Random();
            this.constK         = K;
            this.outputFilePath = outputFilePath;
            this.chunkSize      = chunkSize;
            this.mdserver       = mdserver;
            this.li             = li;

            int           slotIndex     = 0;
            StreamFactory streamFactory = StreamFactory.Instance;
            FqStreamID    fq_sid        = new FqStreamID(fqsidprefix + chunkSize, "A", "TestBS");
            CallerInfo    ci            = new CallerInfo(null, "A", "A", 1);

            streamFactory.deleteStream(fq_sid, ci);
            IStream occupancyGroundTruthStream = streamFactory.openValueDataStream <StrKey, ByteValue>(fq_sid, ci, li, StreamFactory.StreamSecurityType.Plain, CompressionType.None, StreamFactory.StreamOp.Write, mdserver, chunkSize, 1, new Logger());

            while (true)
            {
                occupancyGroundTruthStream.Append(occupancyKey, new ByteValue(BitConverter.GetBytes(random.Next(2))), slotIndexBase + slotIndex);
                slotIndex++;
                if (slotIndex == endSlotIndex)
                {
                    break;
                }
            }
            occupancyGroundTruthStream.Close();
        }
コード例 #2
0
        public void WriteToStream()
        {
            StrKey key = new StrKey("DummyKey2");

            datastream.Append(key, new StrValue("2"));
            logger.Log("Writing {0} to stream ", datastream.Get(key).ToString());
        }
コード例 #3
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ファイル: DigitalMedia.cs プロジェクト: RBSystems/LoT
        public void WriteToStream()
        {
            StrKey key = new StrKey("DigitalMediaKey");

            datastream.Append(key, new StrValue("DigitalMediaVal"));
            logger.Log("Writing {0} to stream ", datastream.Get(key).ToString());
        }
コード例 #4
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        public void Setup()
        {
            StreamFactory sf = StreamFactory.Instance;

            dfs_str_val = sf.openValueDataStream <StrKey, StrValue>(new FqStreamID("99-2729", "A0", "TestRange"),
                                                                    new CallerInfo(null, "A0", "A0", 1),
                                                                    null,
                                                                    StreamFactory.StreamSecurityType.Plain,
                                                                    CompressionType.None,
                                                                    StreamFactory.StreamOp.Write);
            keys = new List <IKey>();
            for (int i = 0; i < 10; i++)
            {
                keys.Add(new StrKey("k" + i));
                for (int j = 0; j < 100; j++)
                {
                    dfs_str_val.Append(keys[i], new StrValue("k" + i + "_value" + j));
                }
                //          dfs_str_val.Seal(null);
            }

            //    IEnumerable<IDataItem> iterator = dfs_str_val.GetAll(new StrKey("k0"));
            //     foreach (IDataItem data in iterator)
            //        Console.WriteLine("data is: " + data.GetTimestamp());
        }
コード例 #5
0
        public void Setup()
        {
            StreamFactory sf = StreamFactory.Instance;
            
            dfs_str_val = sf.openValueDataStream<StrKey, StrValue>(new FqStreamID("99-2729", "A0", "TestRange"),
                                                                 new CallerInfo(null, "A0", "A0", 1),
                                                                 null,
                                                                 StreamFactory.StreamSecurityType.Plain,
                                                                 CompressionType.None,
                                                                 StreamFactory.StreamOp.Write);
            keys = new List<IKey>();
            for (int i = 0; i < 10; i++) 
            {
                keys.Add(new StrKey("k" + i));
                for (int j = 0; j < 100; j++)
                {
                    dfs_str_val.Append(keys[i], new StrValue("k" + i + "_value" + j));
                }
      //          dfs_str_val.Seal(null);
            }

        //    IEnumerable<IDataItem> iterator = dfs_str_val.GetAll(new StrKey("k0"));
       //     foreach (IDataItem data in iterator)
        //        Console.WriteLine("data is: " + data.GetTimestamp());

        }
コード例 #6
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        private static void Write(IStream stream)
        {
            try
            {
                int i = 1;
                StrKey k1 = k1 = new StrKey("k1");
                while (true)
                {
                    stream.Append(k1, new ByteValue(StreamFactory.GetBytes("k1-value" + i)));
                    i++;

                    Console.WriteLine("Written "+i+" values");
                   if (i %10==0)
                        stream.Seal(false);


                    if (isWriting)
                        System.Threading.Thread.Sleep(1000);
                    else
                        break;
                }
            }
            catch(Exception e)
            {
                Console.WriteLine("Exception in write: "+e);
            }

        }
コード例 #7
0
ファイル: Program.cs プロジェクト: dhakalsamip/LoT
        private static void Write(IStream stream)
        {
            try
            {
                int    i  = 1;
                StrKey k1 = k1 = new StrKey("k1");
                while (true)
                {
                    stream.Append(k1, new ByteValue(StreamFactory.GetBytes("k1-value" + i)));
                    i++;

                    Console.WriteLine("Written " + i + " values");
                    if (i % 10 == 0)
                    {
                        stream.Seal(false);
                    }


                    if (isWriting)
                    {
                        System.Threading.Thread.Sleep(1000);
                    }
                    else
                    {
                        break;
                    }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine("Exception in write: " + e);
            }
        }
コード例 #8
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        public void WriteToStream(string tag, string data)
        {
            StrKey key = new StrKey(tag);

            if (datastream != null)
            {
                datastream.Append(key, new StrValue(data));
            }
        }
コード例 #9
0
ファイル: MainClass.cs プロジェクト: dhakalsamip/LoT
        private static void UploadDataAsStreams(int UploadCount)
        {
            string directory = @"..\\..\\data\\meter-data";
            int    count     = 0;

            Dictionary <DateTime, double> ts_temperature = new Dictionary <DateTime, double>();
            StreamReader wfile = new System.IO.StreamReader(@"..\\..\\data\\weather.txt");
            string       wline;

            while ((wline = wfile.ReadLine()) != null)
            {
                string[] words = wline.Split('\t');
                DateTime date  = Convert.ToDateTime(words[4]);
                date = date.AddHours(Int32.Parse(words[5]));
                double temperature = Double.Parse(words[0]);
                ts_temperature[date] = temperature;
            }
            wfile.Close();


            foreach (string filePath in Directory.GetFiles(directory))
            {
                Console.WriteLine("file name:" + filePath);
                string line;
                System.IO.StreamReader file = new System.IO.StreamReader(filePath);

                LocationInfo li = new LocationInfo(AzureaccountName, AzureaccountKey, SynchronizerType.Azure);

                FqStreamID fq_sid = new FqStreamID("crrealhome" + count, "A", "TestBS");
                CallerInfo ci     = new CallerInfo(null, "A", "A", 1);

                StreamFactory sf = StreamFactory.Instance;
                sf.deleteStream(fq_sid, ci);
                IStream dfs_byte_val = sf.openValueDataStream <DoubleKey, ByteValue>(fq_sid, ci, li, StreamFactory.StreamSecurityType.Plain, CompressionType.None, StreamFactory.StreamOp.Write, mdserveraddress: mdServer, ChunkSizeForUpload: 4 * 1024 * 1024, ThreadPoolSize: 1, log: new Logger());


                while ((line = file.ReadLine()) != null)
                {
                    string[] words = line.Split('\t');
                    DateTime date  = Convert.ToDateTime(words[0]);
                    date = date.AddHours(int.Parse(words[1]) / 100);
                    DoubleKey key = new DoubleKey(((int)(ts_temperature[date])));
                    dfs_byte_val.Append(key, new ByteValue(BitConverter.GetBytes(Double.Parse(words[2]))), DateTimeToUnixTimestamp(date));
                    // Console.WriteLine(DateTimeToUnixTimestamp(date) + "," + words[2]);
                }

                dfs_byte_val.Close();
                count++;
                if (count == UploadCount)
                {
                    break;
                }
            }
        }
コード例 #10
0
ファイル: RowlandsAnalysis.cs プロジェクト: RBSystems/LoT
        public void ReadHourIntoStream()
        {
            long start = DateTime.Now.Ticks;
            Tuple <DateTime, double, double> tuple = timestamp_energy_temperature.ElementAt(count);
            DoubleKey key = new DoubleKey(Math.Round(tuple.Item3));

            dataStream.Append(key, new ByteValue(BitConverter.GetBytes(tuple.Item2)), (long)count);
            count++;
            long end = DateTime.Now.Ticks;

            Console.Write(count + "," + (end - start));

            using (results = File.AppendText(".\\result-width-" + width + ".txt"))
                results.Write(count + "," + (end - start));
        }
コード例 #11
0
 public void SyncFileStreamTest_TestRepeatedClose()
 {
     for (int i = 0; i < 10; ++i)
     {
         StreamFactory sf           = StreamFactory.Instance;
         IStream       dfs_byte_val = sf.openValueDataStream <StrKey, ByteValue>(new FqStreamID("99-2729", "A0", "TestMultiClose"),
                                                                                 new CallerInfo(null, "A0", "A0", 1),
                                                                                 locationInfo,
                                                                                 StreamFactory.StreamSecurityType.Plain,
                                                                                 CompressionType.None,
                                                                                 StreamFactory.StreamOp.Write);
         dfs_byte_val.Append(k1, new ByteValue(StreamFactory.GetBytes("k1-cmu-" + i)));
         dfs_byte_val.Close();
         Thread.Sleep(5000);
     }
 }
コード例 #12
0
ファイル: AppAlerts.cs プロジェクト: RBSystems/LoT
        private void AddPicDataStream(string key, byte[] imageBytes)
        {
            StrKey    strKey  = new StrKey(key);
            ByteValue byteVal = new ByteValue(imageBytes);

            try
            {
                lock (picStreamLock)
                {
                    picStream.Append(strKey, byteVal);
                }
            }
            catch (Exception e)
            {
                logger.Log("Error while writing images to dir stream: {0}", e.ToString());
            }
        }
コード例 #13
0
ファイル: HDS_Test.cs プロジェクト: dhakalsamip/LoT
        static void Main(string[] args)
        {
            string       AzureaccountName = ConfigurationManager.AppSettings.Get("AccountName");
            string       AzureaccountKey  = ConfigurationManager.AppSettings.Get("AccountSharedKey");
            LocationInfo li = new LocationInfo(AzureaccountName, AzureaccountKey, SynchronizerType.Azure);

            /*
             * string dataFile = "D:\\b";
             * int KB = 1024;
             * int[] chunk_sizes = { 4*1024*KB , 8*1024*KB };
             *
             * for (int i = 1; i <= 1; i++)
             * {
             *  for (int threads = 1; threads <= 1; threads++)
             *  {
             *      foreach (int csize in chunk_sizes)
             *      {
             *          Console.Write(">");
             *          File.Copy(dataFile, dataFile + threads + "," + csize);
             *
             *          AzureHelper helper = new AzureHelper(AzureaccountName, AzureaccountKey, "foo123123", CompressionType.None, EncryptionType.None, null, null, new Logger(), csize, threads);
             *          long start = DateTime.Now.Ticks;
             *          helper.UploadFileAsChunks(dataFile + threads + "," + csize);
             *          long end = DateTime.Now.Ticks;
             *          Console.WriteLine(threads + "," + csize + "," + (((double)(end - start) / (double)10000000)) );
             *      }
             *
             *  }
             * }
             */



            li = null;
            FqStreamID fq_sid = new FqStreamID("1299-2716", "A", "TestBS");
            CallerInfo ci     = new CallerInfo(null, "A", "A", 1);

            StreamFactory sf = StreamFactory.Instance;

            sf.deleteStream(fq_sid, ci);

            IStream dfs_byte_val = sf.openValueDataStream <StrKey, ByteValue>(fq_sid, ci, li,
                                                                              StreamFactory.StreamSecurityType.Plain,
                                                                              CompressionType.None,
                                                                              StreamFactory.StreamOp.Write);

            StrKey k1 = new StrKey("k1");

            dfs_byte_val.Append(k1, new ByteValue(StreamFactory.GetBytes("k1-cmu")));
            dfs_byte_val.Append(k1, new ByteValue(StreamFactory.GetBytes("k1-msr")));

            dfs_byte_val.Seal(false);
            dfs_byte_val.Append(k1, new ByteValue(StreamFactory.GetBytes("k1-uw")));

            dfs_byte_val.Close();
            Console.ReadKey();


            dfs_byte_val = sf.openValueDataStream <StrKey, ByteValue>(fq_sid, ci, li,
                                                                      StreamFactory.StreamSecurityType.Plain,
                                                                      CompressionType.None,
                                                                      StreamFactory.StreamOp.Write);


            Console.WriteLine("Get in read : " + dfs_byte_val.Get(k1));
            IEnumerable <IDataItem> data = dfs_byte_val.GetAll(k1, 0, StreamFactory.NowUtc());

            foreach (IDataItem dataItem in data)
            {
                Console.WriteLine(dataItem.GetVal().ToString());
            }

            dfs_byte_val.Close();
            Console.ReadKey();

            /*
             * ValueSerializerBase<StrKey> vsb = new ValueSerializerBase<StrKey>();
             * Byte[] buffer1 = vsb.SerializeToByteStream().ToArray();
             * Byte[] buffer2 = SerializerHelper<StrKey>.SerializeToProtoStream(k1).ToArray();
             *
             * FileStream fout = new FileStream("tmp.txt", FileMode.OpenOrCreate, FileAccess.Write, FileShare.ReadWrite);
             * BinaryWriter fs_bw = new BinaryWriter(fout);
             * fs_bw.Write(buffer1);
             * fs_bw.Write("-----W00t!-----");
             * fs_bw.Write(buffer2);
             * fs_bw.Write("-----W00t!-----");
             * fs_bw.Close();
             * fout.Close();
             */
        }
コード例 #14
0
ファイル: ValueDataStreamTest.cs プロジェクト: RBSystems/LoT
 public void ValueDataStreamTest_TestAppendStrValue()
 {
     dfs_str_val.Append(k1, new StrValue("k1-msr-1"));
     dfs_str_val.Append(k1, new StrValue("k1-msr-2"));
 }
コード例 #15
0
ファイル: SmartPreHeat.cs プロジェクト: dhakalsamip/LoT
        new public List <RetVal> PredictOccupancy(long startSlotIndex, long endSlotIndex)
        {
            List <RetVal> retVal = new List <RetVal>();

            System.IO.StreamReader datafile = null;

            if (dataFilePath != null) //assuming datafile has one occupancy value per line read to startSlotIndex
            {
                string line;
                int    counter = 0;
                datafile = new System.IO.StreamReader(this.dataFilePath);
                if (startSlotIndex != 0)
                {
                    while ((line = datafile.ReadLine()) != null)
                    {
                        if (counter == startSlotIndex)
                        {
                            break;
                        }
                        counter++;
                    }
                }
            }

            StreamFactory streamFactory = StreamFactory.Instance;

            FqStreamID fq_sid = new FqStreamID("smartpreheat", "A", "TestBS");
            CallerInfo ci     = new CallerInfo(null, "A", "A", 1);

            streamFactory.deleteStream(fq_sid, ci);
            IStream occupancyGroundTruthStream = streamFactory.openValueDataStream <StrKey, ByteValue>(fq_sid, ci, null, StreamFactory.StreamSecurityType.Plain, CompressionType.None, StreamFactory.StreamOp.Write, null, 4 * 1024 * 1024, 1, new Logger());

            int slotIndex = 0; long startTime, retrievelTime, computeTime, insertTime;

            while (true)
            {
                startTime = DateTime.Now.Ticks;
                List <int>         currentPOV      = SmartConstructCurrentPOV(occupancyGroundTruthStream, slotIndex);
                List <List <int> > previousDaysPOV = SmartConstructPreviousPOV(occupancyGroundTruthStream, slotIndex);
                retrievelTime = DateTime.Now.Ticks - startTime;

                startTime = DateTime.Now.Ticks;
                int predictedOccupancy = Predict(currentPOV, previousDaysPOV);
                computeTime = DateTime.Now.Ticks - startTime;

                startTime = DateTime.Now.Ticks;
                int groundTruth;
                if (datafile == null) // if no datafile to read the ground truth from just append randomly
                {
                    groundTruth = random.Next(2);
                }
                else
                {
                    string line = datafile.ReadLine();
                    groundTruth = int.Parse(line);
                }

                currentPOV.Add(groundTruth);
                List <int> temp = new List <int>();
                foreach (List <int> previousPOV in previousDaysPOV)
                {
                    temp = temp.Concat(previousPOV).ToList();
                }
                temp = temp.Concat(currentPOV).ToList();
                occupancyGroundTruthStream.Append(occupancyKey, new ByteValue(temp.SelectMany(BitConverter.GetBytes).ToArray()), slotIndexBase + slotIndex);

                insertTime = DateTime.Now.Ticks - startTime;
                Console.WriteLine("Slot number {0} {1} {2} {3}", slotIndex, retrievelTime, computeTime, insertTime);

                using (results = File.AppendText(outputFilePath))
                    results.WriteLine("Slot number {0} {1} {2} {3}", slotIndex, retrievelTime, computeTime, insertTime);

                slotIndex++;
                //retVal.Add(new RetVal(endTime - startTime, predictedOccupancy));

                if (slotIndex == endSlotIndex)
                {
                    break;
                }
            }
            occupancyGroundTruthStream.Close();
            return(retVal);
        }
コード例 #16
0
ファイル: AppAlerts.cs プロジェクト: smosgin/labofthings
 private void AddPicDataStream(string key, byte[] imageBytes)
 {
     StrKey strKey = new StrKey(key);
     ByteValue byteVal = new ByteValue(imageBytes);
     try
     {
         picStream = base.CreateDirStream<StrKey, ByteValue>("H2OAlertsPics", true);
         picStream.Append(strKey, byteVal);
        // logger.Log("WaterAlert picture has been written to {0}.", picStream.Get(strKey).ToString());
         picStream.Close();
     }
     catch (Exception e)
     {
         logger.Log("Error while writing images to dir stream: {0}", e.ToString());
     }
 }
コード例 #17
0
 public void LocalListedValueDataStreamTest_TestUpdateByteValue()
 {
     vds.Append(k1, new ByteValue(StreamFactory.GetBytes("k1-cmu")));
     vds.Append(k2, new ByteValue(StreamFactory.GetBytes("k2-msr")));
     vds.Append(k1, new ByteValue(StreamFactory.GetBytes("k1-msr")));
 }
コード例 #18
0
ファイル: Experiment.cs プロジェクト: dhakalsamip/LoT
        public void Run(string CallerName,
                        string HomeName, string AppName, string StreamName,
                        string RandName,
                        long stime, long etime,
                        StreamType stream_type,
                        StreamOperation stream_op,
                        StreamFactory.StreamDataType ptype,
                        CompressionType ctype, int ChunkSize, int ThreadPoolSize,
                        Byte[] value, int num_operations,
                        SynchronizerType synctype,
                        int max_key    = 0,
                        string address = null,
                        bool doCosts   = false,
                        bool doRaw     = false)
        {
            // Set experiment directory
            CallerInfo ci = new CallerInfo(null, CallerName, CallerName, 1);

            exp_directory = Path.GetFullPath((null != ci.workingDir) ? ci.workingDir : Directory.GetCurrentDirectory());
            exp_directory = exp_directory + "/" + HomeName + "/" + AppName + "/" + StreamName;

            if (max_key == 0)
            {
                max_key = num_operations;
            }

            // Set a description/tag for the experiment
            this.exp_id = "Directory: " + HomeName + "/" + AppName + "/" + StreamName +
                          " Caller:" + CallerName
                          + " Stream Type:" + stream_type + " Stream Op: " + stream_op + " Stream Ptype: " + ptype + " Compression Type: " + ctype
                          + " Value size: " + value.Length
                          + " num_operations: " + max_key
                          + " actual_num_ops: " + num_operations
                          + " Sync type: " + synctype
                          + " Do costs? " + doCosts + "Chunk Size: " + ChunkSize + " ThreadPool Size:" + ThreadPoolSize;

            this.compressed_exp_id =
                " ST:" + stream_type + " OP: " + stream_op + " PT: " + ptype + " CT: " + ctype
                + " VS: " + value.Length
                + " I:" + num_operations
                + " MK:" + max_key
                + " SYNC: " + synctype + " chsize: " + ChunkSize + " nThreads: " + ThreadPoolSize;

            // Set remote storage server account info
            string AzureaccountName = ConfigurationManager.AppSettings.Get("AccountName");
            string AzureaccountKey  = ConfigurationManager.AppSettings.Get("AccountSharedKey");

            string S3accountName = ConfigurationManager.AppSettings.Get("S3AccountName");
            string S3accountKey  = ConfigurationManager.AppSettings.Get("S3AccountSharedKey");

            LocationInfo Li;

            if (synctype == SynchronizerType.Azure)
            {
                Li = new LocationInfo(AzureaccountName, AzureaccountKey, SynchronizerType.Azure);
            }
            else if (synctype == SynchronizerType.AmazonS3)
            {
                Li = new LocationInfo(S3accountName, S3accountKey, SynchronizerType.AmazonS3);
            }
            else
            {
                Li = null;
            }

            StreamFactory sf = StreamFactory.Instance;

            IStream    stream   = null;
            FqStreamID streamid = new FqStreamID(HomeName, AppName, StreamName);

            // Set op : R/W
            StreamFactory.StreamOp rw;
            if (stream_op == StreamOperation.RandomKeyRandomValueAppend ||
                stream_op == StreamOperation.RandomKeySameValueAppend ||
                stream_op == StreamOperation.SameKeyRandomValueAppend ||
                stream_op == StreamOperation.SameKeySameValueAppend)
            {
                rw = StreamFactory.StreamOp.Write;
            }
            else
            {
                rw = StreamFactory.StreamOp.Read;
            }

            // Initialize costs
            CostsHelper costhelper        = null;
            double      baselineStorageKV = 0;

            if (doCosts)
            {
                costhelper = new CostsHelper();
                costhelper.getCurrentCpuUsage();
                costhelper.getNetworkUsage();
            }

            if (stream_type == StreamType.CloudRaw)
            {
                if (!Directory.Exists(exp_directory))
                {
                    Directory.CreateDirectory(exp_directory);
                }
                Logger logger = new Logger();
                Byte[] val    = new Byte[value.Length * num_operations];
                // DateTime Date = new DateTime(DateTime.UtcNow.Ticks);
                // string cname = String.Format("CloudRaw-{0}", Date.ToString("yyyy-MM-dd"));
                // string bname = String.Format("{0}", Date.ToString("HH-mm-ss"));
                // string cname = String.Format("cloudraw-{0}", RandomString(4));
                // string bname = String.Format("{0}", RandomString(4));
                string cname = String.Format("cloudraw-{0}", RandName);
                string bname = String.Format("{0}", RandName);

                if (stream_op == StreamOperation.RandomKeyGet ||
                    stream_op == StreamOperation.RandomKeyGetMultipleSegments ||
                    stream_op == StreamOperation.RandomKeyGetAll)
                {
                    doRawCloudPerf(val, SynchronizerType.Azure,
                                   SynchronizeDirection.Download, exp_directory, logger, containerName: cname, blobName: bname);
                    logger.Dump(exp_directory + "/log");
                }
                else
                {
                    doRawCloudPerf(val, SynchronizerType.Azure,
                                   SynchronizeDirection.Upload, exp_directory, logger, containerName: cname, blobName: bname);
                    logger.Dump(exp_directory + "/log");
                }
                return;
            }

            if (stream_type == StreamType.DiskRaw)
            {
                if (!Directory.Exists(exp_directory))
                {
                    Directory.CreateDirectory(exp_directory);
                }
                Logger logger = doDiskRaw(stream_op, num_operations, value.Length, ptype, exp_directory);
                logger.Dump(exp_directory + "/log");
                return;
            }

            // Are we getting raw disk throughput?
            if (stream_type == StreamType.Raw)
            {
                string ret = doDiskSpeed((value.Length * num_operations) / 1000 + "K", value.Length / 1000 + "K", rw);
                if (!Directory.Exists(exp_directory))
                {
                    Directory.CreateDirectory(exp_directory);
                }
                File.WriteAllText(exp_directory + "/log", ret);
                return;
            }

            // Populate the keys and the values
            Random random = new Random(DateTime.Now.Millisecond);

            StrKey[] keys = new StrKey[max_key];
            for (int i = 0; i < max_key; ++i)
            {
                keys[i] = new StrKey("" + i);
            }

            /*
             * List<ByteValue> vals = new List<ByteValue>(num_operations);
             * Byte[][] tmp = new Byte[num_operations][];
             * for (int i = 0; i < num_operations; ++i)
             * {
             *  tmp[i] = new Byte[value.Length];
             *  random.NextBytes(tmp[i]);
             * }
             *
             * for (int i = 0; i < num_operations; ++i)
             * {
             *  keys[i] = new StrKey("" + i);
             *  vals.Add(new ByteValue(tmp[i]));
             *  // vals[i] = new ByteValue(tmp);
             * }
             */

            Logger log = new Logger();

            // Open stream for different types of experiments
            if (stream_type == StreamType.Local && ptype == StreamFactory.StreamDataType.Values)
            {
                stream = sf.openValueDataStream <StrKey, ByteValue>(streamid, ci, null, StreamFactory.StreamSecurityType.Plain, ctype, rw, address, ChunkSize, ThreadPoolSize, log);
            }

            else if (stream_type == StreamType.LocalEnc && ptype == StreamFactory.StreamDataType.Values)
            {
                stream = sf.openValueDataStream <StrKey, ByteValue>(streamid, ci, null, StreamFactory.StreamSecurityType.Secure, ctype, rw, address, ChunkSize, ThreadPoolSize, log);
            }

            else if (stream_type == StreamType.Remote && ptype == StreamFactory.StreamDataType.Values)
            {
                stream = sf.openValueDataStream <StrKey, ByteValue>(streamid, ci, Li, StreamFactory.StreamSecurityType.Plain, ctype, rw, address, ChunkSize, ThreadPoolSize, log);
            }

            else if (stream_type == StreamType.RemoteEnc && ptype == StreamFactory.StreamDataType.Values)
            {
                stream = sf.openValueDataStream <StrKey, ByteValue>(streamid, ci, Li, StreamFactory.StreamSecurityType.Secure, ctype, rw, address, ChunkSize, ThreadPoolSize, log);
            }

            else if (stream_type == StreamType.Local && ptype == StreamFactory.StreamDataType.Files)
            {
                stream = sf.openFileDataStream <StrKey>(streamid, ci, null, StreamFactory.StreamSecurityType.Plain, ctype, rw, address, ChunkSize, ThreadPoolSize, log);
            }

            else if (stream_type == StreamType.LocalEnc && ptype == StreamFactory.StreamDataType.Files)
            {
                stream = sf.openFileDataStream <StrKey>(streamid, ci, null, StreamFactory.StreamSecurityType.Secure, ctype, rw, address, ChunkSize, ThreadPoolSize, log);
            }
            else if (stream_type == StreamType.Remote && ptype == StreamFactory.StreamDataType.Files)
            {
                stream = sf.openFileDataStream <StrKey>(streamid, ci, Li, StreamFactory.StreamSecurityType.Plain, ctype, rw, address, ChunkSize, ThreadPoolSize, log);
            }
            else if (stream_type == StreamType.RemoteEnc && ptype == StreamFactory.StreamDataType.Files)
            {
                stream = sf.openFileDataStream <StrKey>(streamid, ci, Li, StreamFactory.StreamSecurityType.Secure, ctype, rw, address, ChunkSize, ThreadPoolSize, log);
            }
            else
            {
                return;
            }

            if (stream_op == StreamOperation.RandomKeyRandomValueAppend)
            {
                List <ByteValue> vals = new List <ByteValue>(num_operations);
                Byte[][]         tmp  = new Byte[num_operations][];
                for (int i = 0; i < num_operations; ++i)
                {
                    tmp[i] = new Byte[value.Length];
                    random.NextBytes(tmp[i]);
                }

                for (int i = 0; i < num_operations; ++i)
                {
                    vals.Add(new ByteValue(tmp[i]));
                }


                for (int i = 0; i < num_operations; ++i)
                {
                    baselineStorageKV += keys[i].Size();
                    baselineStorageKV += vals[i].Size();
                    stream.Append(keys[i], vals[i]);
                }
                stream.Close();
            }

            else if (stream_op == StreamOperation.RandomKeySameValueAppend)
            {
                Byte[] singleval = new Byte[value.Length];
                random.NextBytes(singleval);
                ByteValue singlebv = new ByteValue(singleval);
                for (int i = 0; i < num_operations; ++i)
                {
                    baselineStorageKV += keys[i].Size();
                    baselineStorageKV += value.Length;
                    stream.Append(keys[i], singlebv);
                }
                stream.Close();
            }

            else if (stream_op == StreamOperation.SameKeySameValueAppend)
            {
                StrKey key       = new StrKey("ExpKey");
                Byte[] singleval = new Byte[value.Length];
                random.NextBytes(singleval);
                ByteValue singlebv = new ByteValue(singleval);
                for (int i = 0; i < num_operations; ++i)
                {
                    stream.Append(key, singlebv);
                    // System.Threading.Thread.Sleep(10);
                }
                stream.Close();
            }

            else if (stream_op == StreamOperation.RandomKeyGet || stream_op == StreamOperation.RandomKeyGetMultipleSegments)
            {
                for (int i = 0; i < num_operations; ++i)
                {
                    stream.Get(keys[random.Next(0, max_key)]);
                }
                stream.Close();
            }

            else if (stream_op == StreamOperation.RandomKeyGetAll)
            {
                StrKey key = new StrKey("ExpKey");
                for (int i = 0; i < num_operations;)
                {
                    long st = 0;
                    long et = -1;
                    Console.WriteLine(stime + ":" + etime);
                    while (et < st)
                    {
                        st = RandomLong(stime, etime, random);
                        // et = RandomLong(stime, etime, random);
                        et = st + (10 * 10 * TimeSpan.TicksPerMillisecond);
                    }
                    Console.WriteLine(st + ":" + et);
                    IEnumerable <IDataItem> iterator = stream.GetAll(key, st, et);
                    foreach (IDataItem data in iterator)
                    {
                        data.GetVal();
                        ++i;

                        if (i == num_operations)
                        {
                            break;
                        }
                    }
                }
                stream.Close();
            }

            else if (stream_op == StreamOperation.SameKeyRandomValueAppend)
            {
                StrKey key = new StrKey("ExpKey");
                for (int i = 0; i < num_operations; ++i)
                {
                    baselineStorageKV += key.Size();
                    // baselineStorageKV += vals[i].Size();
                    // stream.Append(key, vals[i]);
                }
                stream.Close();
            }
            else
            {
                for (int i = 0; i < num_operations; ++i)
                {
                    stream.Get(new StrKey("" + random.Next(0, num_operations - 1)));
                }
                stream.Close();
            }

            // Dump the instrumentation logs
            stream.DumpLogs(exp_directory + "/log");

            // Collect costs usage
            List <string> costs = new List <string>();

            if (doCosts)
            {
                costs.Add(DateTime.UtcNow.Ticks + ": CPU: " + costhelper.getCurrentCpuUsage());
                costs.Add(DateTime.UtcNow.Ticks + ": Network: " + costhelper.getNetworkUsage());
                costs.Add(DateTime.UtcNow.Ticks + ": DataRelated Storage: " + costhelper.getStorageUsage(this.exp_directory, dataRelated: true) / 1000.0f);
                costs.Add(DateTime.UtcNow.Ticks + ": Constant Storage: " + costhelper.getStorageUsage(this.exp_directory, dataRelated: false) / 1000.0f);
                costs.Add(DateTime.UtcNow.Ticks + ": Baseline Storage: " + baselineStorageKV / 1000.0f);
            }
            File.AppendAllLines(exp_directory + "/log", costs);

            // sf.deleteStream(streamid, ci);
        }