void benchmarkOne() throws IOException {
for (int idx = 0; idx < opsPerThread; idx++) {
if ((localNumOpsExecuted + 1) % statsOp.ugcRefreshCount == 0)
nameNode.refreshUserToGroupsMappings();
long stat = statsOp.executeOp(daemonId, idx, arg1);
localNumOpsExecuted++;
localCumulativeTime += stat;
}
}
public void run() {
localNumOpsExecuted = 0;
localCumulativeTime = 0;
arg1 = statsOp.getExecutionArgument(daemonId);
try {
benchmarkOne();
} catch (IOException ex) {
LOG.error("StatsDaemon " + daemonId + " failed: \n" + StringUtils.stringifyException(ex));
}
}
/**
* Main method of the benchmark.
*
* @param args command line parameters
*/
public static void runBenchmark(Configuration conf, List<String> args) throws Exception {
if (args.size() < 2 || !args.get(0).startsWith("-op")) printUsage();
String type = args.get(1);
boolean runAll = OperationStatsBase.OP_ALL_NAME.equals(type);
NNThroughputBenchmark bench = null;
List<OperationStatsBase> ops = new ArrayList<OperationStatsBase>();
OperationStatsBase opStat = null;
try {
bench = new NNThroughputBenchmark(conf);
if (runAll || CreateFileStats.OP_CREATE_NAME.equals(type)) {
opStat = bench.new CreateFileStats(args);
ops.add(opStat);
}
if (runAll || OpenFileStats.OP_OPEN_NAME.equals(type)) {
opStat = bench.new OpenFileStats(args);
ops.add(opStat);
}
if (runAll || DeleteFileStats.OP_DELETE_NAME.equals(type)) {
opStat = bench.new DeleteFileStats(args);
ops.add(opStat);
}
if (runAll || RenameFileStats.OP_RENAME_NAME.equals(type)) {
opStat = bench.new RenameFileStats(args);
ops.add(opStat);
}
if (runAll || BlockReportStats.OP_BLOCK_REPORT_NAME.equals(type)) {
opStat = bench.new BlockReportStats(args);
ops.add(opStat);
}
if (runAll || ReplicationStats.OP_REPLICATION_NAME.equals(type)) {
opStat = bench.new ReplicationStats(args);
ops.add(opStat);
}
if (runAll || CleanAllStats.OP_CLEAN_NAME.equals(type)) {
opStat = bench.new CleanAllStats(args);
ops.add(opStat);
}
if (ops.size() == 0) printUsage();
// run each benchmark
for (OperationStatsBase op : ops) {
LOG.info("Starting benchmark: " + op.getOpName());
op.benchmark();
op.cleanUp();
}
// print statistics
for (OperationStatsBase op : ops) {
LOG.info("");
op.printResults();
}
} catch (Exception e) {
LOG.error(StringUtils.stringifyException(e));
throw e;
} finally {
if (bench != null) bench.close();
}
}
