public MyTPCC(String args[]) {
m_helpah = new AppHelper(MyTPCC.class.getCanonicalName());
m_helpah.add("duration", "run_duration_in_seconds", "Benchmark duration, in seconds.", 180);
m_helpah.add("warehouses", "number_of_warehouses", "Number of warehouses", 12);
m_helpah.add("scalefactor", "scale_factor", "Scale factor", 1.0);
m_helpah.add("skewfactor", "skew_factor", "Skew factor", 0.0);
m_helpah.add("loadthreads", "number_of_load_threads", "Number of load threads", 4);
m_helpah.add("ratelimit", "rate_limit", "Rate limit to start from (tps)", 200000);
m_helpah.add(
"displayinterval",
"display_interval_in_seconds",
"Interval for performance feedback, in seconds.",
10);
m_helpah.add(
"servers",
"comma_separated_server_list",
"List of VoltDB servers to connect to.",
"localhost");
m_helpah.setArguments(args);
// default values
int warehouses = m_helpah.intValue("warehouses");
double scalefactor = m_helpah.doubleValue("scalefactor");
double skewfactor = m_helpah.doubleValue("skewfactor");
String servers = m_helpah.stringValue("servers");
System.out.printf("Connecting to servers: %s\n", servers);
int sleep = 1000;
while (true) {
try {
m_clientCon = ClientConnectionPool.get(servers, 21212);
break;
} catch (Exception e) {
System.err.printf("Connection failed - retrying in %d second(s).\n", sleep / 1000);
try {
Thread.sleep(sleep);
} catch (Exception tie) {
}
if (sleep < 8000) sleep += sleep;
}
}
System.out.println("Connected. Starting benchmark.");
try {
if ((int)
(m_clientCon
.execute(LoadStatus.class.getSimpleName())
.getResults()[0]
.fetchRow(0)
.getLong(0))
== 0) (new MyLoader(args, m_clientCon)).run();
else
while ((int)
(m_clientCon
.execute(LoadStatus.class.getSimpleName())
.getResults()[0]
.fetchRow(0)
.getLong(0))
< warehouses) ;
} catch (Exception e) {
System.exit(-1);
}
// makeForRun requires the value cLast from the load generator in
// order to produce a valid generator for the run. Thus the sort
// of weird eat-your-own ctor pattern.
RandomGenerator.NURandC base_loadC = new RandomGenerator.NURandC(0, 0, 0);
RandomGenerator.NURandC base_runC =
RandomGenerator.NURandC.makeForRun(new RandomGenerator.Implementation(0), base_loadC);
RandomGenerator rng = new RandomGenerator.Implementation(0);
rng.setC(base_runC);
scaleParams = ScaleParameters.makeWithScaleFactor(warehouses, scalefactor);
tpccSim = new TPCCSimulation(this, rng, new Clock.RealTime(), scaleParams, false, skewfactor);
}
