// weights.put(Distribution.BEG, new BeginWeight()); // weights.put(Distribution.END, new EndWeight()); // weights.put(Distribution.MID, new MidWeight()); /// <summary>Determines how many initial operations a given operation data should have /// </summary> /// <param name="totalAm">the total amount of operations allowed</param> /// <param name="opData">the given operation information (with a valid percentage >= 0) /// </param> /// <returns>the number of items to allow to run</returns> /// <exception cref="System.ArgumentException">if negative operations are determined</exception> internal static int DetermineHowMany(int totalAm, OperationData opData, Constants.OperationType type) { if (totalAm <= 0) { return(0); } int amLeft = (int)Math.Floor(opData.GetPercent() * totalAm); if (amLeft < 0) { throw new ArgumentException("Invalid amount " + amLeft + " determined for operation type " + type.ToString()); } return(amLeft); }
/// <returns> /// the map of operations to perform using config (percent may be null /// if unspecified) /// </returns> internal virtual IDictionary <Constants.OperationType, OperationData> GetOperations () { IDictionary <Constants.OperationType, OperationData> operations = new Dictionary <Constants.OperationType , OperationData>(); foreach (Constants.OperationType type in Constants.OperationType.Values()) { string opname = type.LowerName(); string keyname = string.Format(Constants.Op, opname); string kval = config.Get(keyname); if (kval == null) { continue; } operations[type] = new OperationData(kval); } return(operations); }
/// <summary>Dumps out the given options for the given config extractor</summary> /// <param name="cfg">the config to write to the log</param> internal static void DumpOptions(Org.Apache.Hadoop.FS.Slive.ConfigExtractor cfg) { if (cfg == null) { return; } Log.Info("Base directory = " + cfg.GetBaseDirectory()); Log.Info("Data directory = " + cfg.GetDataPath()); Log.Info("Output directory = " + cfg.GetOutputPath()); Log.Info("Result file = " + cfg.GetResultFile()); Log.Info("Grid queue = " + cfg.GetQueueName()); Log.Info("Should exit on first error = " + cfg.ShouldExitOnFirstError()); { string duration = "Duration = "; if (cfg.GetDurationMilliseconds() == int.MaxValue) { duration += "unlimited"; } else { duration += cfg.GetDurationMilliseconds() + " milliseconds"; } Log.Info(duration); } Log.Info("Map amount = " + cfg.GetMapAmount()); Log.Info("Reducer amount = " + cfg.GetReducerAmount()); Log.Info("Operation amount = " + cfg.GetOpCount()); Log.Info("Total file limit = " + cfg.GetTotalFiles()); Log.Info("Total dir file limit = " + cfg.GetDirSize()); { string read = "Read size = "; if (cfg.ShouldReadFullFile()) { read += "entire file"; } else { read += cfg.GetReadSize() + " bytes"; } Log.Info(read); } { string write = "Write size = "; if (cfg.ShouldWriteUseBlockSize()) { write += "blocksize"; } else { write += cfg.GetWriteSize() + " bytes"; } Log.Info(write); } { string append = "Append size = "; if (cfg.ShouldAppendUseBlockSize()) { append += "blocksize"; } else { append += cfg.GetAppendSize() + " bytes"; } Log.Info(append); } { string bsize = "Block size = "; bsize += cfg.GetBlockSize() + " bytes"; Log.Info(bsize); } if (cfg.GetRandomSeed() != null) { Log.Info("Random seed = " + cfg.GetRandomSeed()); } if (cfg.GetSleepRange() != null) { Log.Info("Sleep range = " + cfg.GetSleepRange() + " milliseconds"); } Log.Info("Replication amount = " + cfg.GetReplication()); Log.Info("Operations are:"); NumberFormat percFormatter = Formatter.GetPercentFormatter(); IDictionary <Constants.OperationType, OperationData> operations = cfg.GetOperations (); foreach (Constants.OperationType type in operations.Keys) { string name = type.ToString(); Log.Info(name); OperationData opInfo = operations[type]; Log.Info(" " + opInfo.GetDistribution().ToString()); if (opInfo.GetPercent() != null) { Log.Info(" " + percFormatter.Format(opInfo.GetPercent())); } else { Log.Info(" ???"); } } }
/// <summary> /// Handles the specific task of merging operations from the command line or /// extractor object into the base configuration provided /// </summary> /// <param name="opts">the parsed command line option output</param> /// <param name="base">the base configuration to merge with</param> /// <param name="extractor"> /// the access object to fetch operations from if none from the /// command line /// </param> /// <returns>merged configuration object</returns> /// <exception cref="ConfigException">when verification fails</exception> /// <exception cref="Org.Apache.Hadoop.FS.Slive.ConfigMerger.ConfigException"/> private Configuration HandleOperations(ArgumentParser.ParsedOutput opts, Configuration @base, ConfigExtractor extractor) { // get the base set to start off with IDictionary <Constants.OperationType, OperationData> operations = GetBaseOperations (); // merge with what is coming from config IDictionary <Constants.OperationType, OperationData> cfgOperations = extractor.GetOperations (); foreach (Constants.OperationType opType in cfgOperations.Keys) { operations[opType] = cfgOperations[opType]; } // see if any coming in from the command line foreach (Constants.OperationType opType_1 in Constants.OperationType.Values()) { string opName = opType_1.LowerName(); string opVal = opts.GetValue(opName); if (opVal != null) { operations[opType_1] = new OperationData(opVal); } } { // remove those with <= zero percent IDictionary <Constants.OperationType, OperationData> cleanedOps = new Dictionary <Constants.OperationType , OperationData>(); foreach (Constants.OperationType opType_2 in operations.Keys) { OperationData data = operations[opType_2]; if (data.GetPercent() == null || data.GetPercent() > 0.0d) { cleanedOps[opType_2] = data; } } operations = cleanedOps; } if (operations.IsEmpty()) { throw new ConfigMerger.ConfigException("No operations provided!"); } // verify and adjust double currPct = 0; int needFill = 0; foreach (Constants.OperationType type in operations.Keys) { OperationData op = operations[type]; if (op.GetPercent() != null) { currPct += op.GetPercent(); } else { needFill++; } } if (currPct > 1) { throw new ConfigMerger.ConfigException("Unable to have accumlative percent greater than 100%" ); } if (needFill > 0 && currPct < 1) { double leftOver = 1.0 - currPct; IDictionary <Constants.OperationType, OperationData> mpcp = new Dictionary <Constants.OperationType , OperationData>(); foreach (Constants.OperationType type_1 in operations.Keys) { OperationData op = operations[type_1]; if (op.GetPercent() == null) { op = new OperationData(op.GetDistribution(), (leftOver / needFill)); } mpcp[type_1] = op; } operations = mpcp; } else { if (needFill == 0 && currPct < 1) { // redistribute double leftOver = 1.0 - currPct; IDictionary <Constants.OperationType, OperationData> mpcp = new Dictionary <Constants.OperationType , OperationData>(); double each = leftOver / operations.Keys.Count; foreach (Constants.OperationType t in operations.Keys) { OperationData op = operations[t]; op = new OperationData(op.GetDistribution(), (op.GetPercent() + each)); mpcp[t] = op; } operations = mpcp; } else { if (needFill > 0 && currPct >= 1) { throw new ConfigMerger.ConfigException(needFill + " unfilled operations but no percentage left to fill with" ); } } } // save into base foreach (Constants.OperationType opType_3 in operations.Keys) { string opName = opType_3.LowerName(); OperationData opData = operations[opType_3]; string distr = opData.GetDistribution().LowerName(); string ratio = opData.GetPercent() * 100.0d.ToString(); @base.Set(string.Format(Constants.Op, opName), opData.ToString()); @base.Set(string.Format(Constants.OpDistr, opName), distr); @base.Set(string.Format(Constants.OpPercent, opName), ratio); } return(@base); }