/**
* Exports the measurements to either sysout or a file using the exporter loaded from conf.
*
* @throws IOException Either failed to write to output stream or failed to close it.
*/
private static void exportMeasurements(Properties props, int opcount, long runtime)
throws IOException {
MeasurementsExporter exporter = null;
try {
// if no destination file is provided the results will be written to stdout
OutputStream out;
String exportFile = props.getProperty("exportfile");
if (exportFile == null) {
out = System.out;
} else {
out = new FileOutputStream(exportFile);
}
// if no exporter is provided the default text one will be used
String exporterStr =
props.getProperty(
"exporter", "com.yahoo.ycsb.measurements.exporter.TextMeasurementsExporter");
try {
exporter =
(MeasurementsExporter)
Class.forName(exporterStr).getConstructor(OutputStream.class).newInstance(out);
} catch (Exception e) {
System.err.println(
"Could not find exporter " + exporterStr + ", will use default text reporter.");
e.printStackTrace();
exporter = new TextMeasurementsExporter(out);
}
exporter.write("OVERALL", "RunTime(ms)", runtime);
double throughput = 1000.0 * ((double) opcount) / ((double) runtime);
exporter.write("OVERALL", "Throughput(ops/sec)", throughput);
Measurements.getMeasurements().exportMeasurements(exporter);
} finally {
if (exporter != null) {
exporter.close();
}
}
}
public void exportOverall() {
try {
Measurements.getMeasurements().exportMeasurementsFinal(exporter);
long opcount = 0;
long runtime = 0;
long recon = 0;
for (Thread t : _threads) {
ClientThread ct = (ClientThread) t;
opcount += ct.getOpsDone();
if (runtime < ct.getRuntime()) {
runtime = ct.getRuntime();
}
recon += ct.getReconnections();
}
exporter.write("OVERALL", "Reconnections", recon);
exporter.write("OVERALL", "RunTime(ms)", runtime);
exporter.write("OVERALL", "Operations", opcount);
double throughput = 1000.0 * ((double) opcount) / ((double) runtime);
exporter.write("OVERALL", "Throughput(ops/sec)", throughput);
exporter.close();
} catch (IOException e) {
e.printStackTrace();
}
}