@Override
public void clientCallback(ClientResponse clientResponse) {
// Track the result of the request (Success, Failure)
long now = System.currentTimeMillis();
if (clientResponse.getStatus() == ClientResponse.SUCCESS) {
TrackingResults.incrementAndGet(0);
long txid = clientResponse.getResults()[0].asScalarLong();
final String trace = String.format("%d:%d:%d\n", m_rowid, txid, now);
try {
m_writer.write(TxnEgo.getPartitionId(txid), trace);
} catch (IOException e) {
e.printStackTrace();
}
} else {
TrackingResults.incrementAndGet(1);
final String trace = String.format("%d:-1:%d\n", m_rowid, now);
try {
m_writer.write(-1, trace);
} catch (IOException e) {
e.printStackTrace();
}
}
}
// Application entry point
public static void main(String[] args) {
try {
// ---------------------------------------------------------------------------------------------------------------------------------------------------
// Use the AppHelper utility class to retrieve command line application parameters
// Define parameters and pull from command line
AppHelper apph =
new AppHelper(AsyncBenchmark.class.getCanonicalName())
.add(
"displayinterval",
"display_interval_in_seconds",
"Interval for performance feedback, in seconds.",
10)
.add("duration", "run_duration_in_seconds", "Benchmark duration, in seconds.", 120)
.add(
"servers",
"comma_separated_server_list",
"List of VoltDB servers to connect to.",
"localhost")
.add("port", "port_number", "Client port to connect to on cluster nodes.", 21212)
.add(
"poolsize",
"pool_size",
"Size of the record pool to operate on - larger sizes will cause a higher insert/update-delete rate.",
100000)
.add(
"procedure",
"procedure_name",
"Procedure to call.",
"JiggleExportSinglePartition")
.add(
"ratelimit",
"rate_limit",
"Rate limit to start from (number of transactions per second).",
100000)
.add(
"autotune",
"auto_tune",
"Flag indicating whether the benchmark should self-tune the transaction rate for a target execution latency (true|false).",
"true")
.add(
"latencytarget",
"latency_target",
"Execution latency to target to tune transaction rate (in milliseconds).",
10)
.add("catalogswap", "Swap catalogs from the client", "true")
.setArguments(args);
config = new ConnectionConfig(apph);
// Retrieve parameters
final boolean catalogSwap = apph.booleanValue("catalogswap");
final String csv = apph.stringValue("statsfile");
TxnIdWriter writer = new TxnIdWriter("dude", "clientlog");
// Validate parameters
apph.validate("duration", (config.duration > 0))
.validate("poolsize", (config.poolSize > 0))
.validate("ratelimit", (config.rateLimit > 0))
.validate("latencytarget", (config.latencyTarget > 0));
// Display actual parameters, for reference
apph.printActualUsage();
// ---------------------------------------------------------------------------------------------------------------------------------------------------
// Get a client connection - we retry for a while in case the server hasn't started yet
createClient();
connect();
// ---------------------------------------------------------------------------------------------------------------------------------------------------
// Create a Timer task to display performance data on the procedure
Timer timer = new Timer(true);
timer.scheduleAtFixedRate(
new TimerTask() {
@Override
public void run() {
printStatistics(periodicStatsContext, true);
}
},
config.displayInterval * 1000l,
config.displayInterval * 1000l);
// ---------------------------------------------------------------------------------------------------------------------------------------------------
benchmarkStartTS = System.currentTimeMillis();
AtomicLong rowId = new AtomicLong(0);
// Run the benchmark loop for the requested duration
final long endTime = benchmarkStartTS + (1000l * config.duration);
int swap_count = 0;
boolean first_cat = false;
while (endTime > System.currentTimeMillis()) {
long currentRowId = rowId.incrementAndGet();
// Post the request, asynchronously
try {
clientRef
.get()
.callProcedure(
new AsyncCallback(writer, currentRowId), config.procedure, currentRowId, 0);
} catch (Exception e) {
e.printStackTrace();
System.exit(-1);
}
swap_count++;
if (((swap_count % CATALOG_SWAP_INTERVAL) == 0) && catalogSwap) {
System.out.println("Changing catalogs...");
clientRef.get().updateApplicationCatalog(catalogs[first_cat ? 0 : 1], deployment);
first_cat = !first_cat;
}
}
shutdown.compareAndSet(false, true);
// ---------------------------------------------------------------------------------------------------------------------------------------------------
// We're done - stop the performance statistics display task
timer.cancel();
// ---------------------------------------------------------------------------------------------------------------------------------------------------
clientRef.get().drain();
Thread.sleep(10000);
waitForStreamedAllocatedMemoryZero(clientRef.get());
System.out.println("Writing export count as: " + TrackingResults.get(0));
// Write to export table to get count to be expected on other side.
clientRef.get().callProcedure("JiggleExportDoneTable", TrackingResults.get(0));
writer.close(true);
// Now print application results:
// 1. Tracking statistics
System.out.printf(
"-------------------------------------------------------------------------------------\n"
+ " Benchmark Results\n"
+ "-------------------------------------------------------------------------------------\n\n"
+ "A total of %d calls was received...\n"
+ " - %,9d Succeeded\n"
+ " - %,9d Failed (Transaction Error)\n"
+ "\n\n"
+ "-------------------------------------------------------------------------------------\n",
TrackingResults.get(0) + TrackingResults.get(1),
TrackingResults.get(0),
TrackingResults.get(1));
// 3. Performance statistics (we only care about the procedure that we're benchmarking)
System.out.println(
"\n\n-------------------------------------------------------------------------------------\n"
+ " System Statistics\n"
+ "-------------------------------------------------------------------------------------\n\n");
printStatistics(fullStatsContext, false);
// Dump statistics to a CSV file
clientRef.get().writeSummaryCSV(fullStatsContext.getStatsByProc().get(config.procedure), csv);
clientRef.get().close();
// ---------------------------------------------------------------------------------------------------------------------------------------------------
} catch (Exception x) {
System.out.println("Exception: " + x);
x.printStackTrace();
}
}
