Ejemplo n.º 1
0
 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());
     }
 }
 public override void Close()
 {
     stream.Close();
     base.Close();
 }
Ejemplo n.º 3
0
        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("preheatnaive", "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, appendTime;

            while (true)
            {
                startTime = DateTime.Now.Ticks;
                List <int>         currentPOV      = ConstructCurrentPOV(occupancyGroundTruthStream, slotIndex);
                List <List <int> > previousDaysPOV = ConstructPreviousPOV(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;
                if (datafile == null) // if no datafile to read the ground truth from just append randomly
                {
                    occupancyGroundTruthStream.Append(occupancyKey, new ByteValue(BitConverter.GetBytes(random.Next(2))), slotIndexBase + slotIndex);
                }
                else
                {
                    string line = datafile.ReadLine();
                    if (line == null)
                    {
                        Console.WriteLine("reached the end of datafile");
                        break;
                    }
                    occupancyGroundTruthStream.Append(occupancyKey, new ByteValue(StreamFactory.GetBytes(line)), slotIndexBase + slotIndex);
                }
                slotIndex++;
                appendTime = DateTime.Now.Ticks - startTime;

                Console.WriteLine("Slot number {0} {1} {2} {3}", slotIndex, retrievelTime, computeTime, appendTime);
                using (results = File.AppendText(outputFilePath))
                    results.WriteLine("Slot number {0} {1} {2} {3}", slotIndex, retrievelTime, computeTime, appendTime);
                //retVal.Add(new RetVal(endTime - startTime, predictedOccupancy));

                if (slotIndex == endSlotIndex)
                {
                    break;
                }
            }
            occupancyGroundTruthStream.Close();
            return(retVal);
        }
Ejemplo n.º 4
0
 /// <summary>
 /// Close the stream.
 /// </summary>
 public void Close()
 {
     buffer          = null;
     bufferedRequest = null;
     stream.Close();
 }
Ejemplo n.º 5
0
 public void Cleanup()
 {
     vds.Close();
 }
Ejemplo n.º 6
0
 public void Close()
 {
     stream.Close();
 }
Ejemplo n.º 7
0
 public void Cleanup()
 {
     dds_byte_val.Close();
 }
Ejemplo n.º 8
0
        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);
        }