static internal YcsbWorker Generate(
int txCount, int queryCount, YCSBDataGenerator gen, TransactionExecution txExec)
{
YcsbWorker workload = new YcsbWorker();
workload.txs = new List <YcsbTx>(txCount);
workload.txExec = txExec;
for (int i = 0; i < txCount; ++i)
{
workload.txs.Add(YcsbTx.Generate(queryCount, gen));
}
return(workload);
}
static internal YcsbTx Generate(int queryCount, YCSBDataGenerator gen)
{
YcsbTx tx = new YcsbTx
{
queries = new YcsbQuery[queryCount]
};
for (int i = 0; i < queryCount; ++i)
{
tx.queries[i] = YcsbQuery.Generate(gen);
}
return(tx);
}
static internal YcsbQuery Generate(YCSBDataGenerator gen)
{
string nextop = gen.NextOperation();
switch (nextop)
{
case "READ": return(GetRead(gen.NextIntKey()));
case "UPDATE":
return(GetUpdate(
gen.NextIntKey(), YcsbHelper.UpdatePayload()));
}
throw new Exception($"Unknown generated operation: {nextop}");
}
private IDataGenerator BuildDataGenerator()
{
IDataGenerator generator = null;
if (config.Dist == Distribution.Uniform)
{
generator = new YCSBDataGenerator(this.recordCount, config.ReadPercentage);
}
else
{
generator = new YCSBDataGenerator(this.recordCount, config.ReadPercentage, Distribution.Zipf, config.Scale);
}
return(generator);
}
static BenchResult BenchmarkWithConfigOnce(YcsbConfig config)
{
// config.Print();
// Console.WriteLine();
var versionDb = YcsbHelper.MakeVersionDb(config.Concurrency);
// Console.Write("loading data... ");
LoadYcsbData(versionDb, config.RecordCount);
// Console.WriteLine("done");
var generator = new YCSBDataGenerator(
config.RecordCount, config.ReadRatio,
config.Dist, config.ZipfSkew);
Func <TransactionExecution, YcsbWorker> workerFactory =
txExec => YcsbWorker.Generate(
config.WorkerWorkload, config.QueriesPerTx, generator, txExec);
// Console.Write("generate workload... ");
var benchmark = new YcsbBenchmarkEnv(versionDb, workerFactory);
// Console.WriteLine("done");
var result = benchmark.Go();
SingletonVersionDb.DestroyInstance();
return(result);
}