/// <exception cref="System.Exception"/>
public virtual int Run(string[] args)
{
if (args.Length != 1)
{
System.Console.Error.WriteLine("usage: " + typeof(TestMultiThreadedHflush).Name +
" <path to test file> ");
System.Console.Error.WriteLine("Configurations settable by -D options:\n" + " num.threads [default 10] - how many threads to run\n"
+ " write.size [default 511] - bytes per write\n" + " num.writes [default 50000] - how many writes to perform"
);
System.Environment.Exit(1);
}
TestMultiThreadedHflush test = new TestMultiThreadedHflush();
Configuration conf = GetConf();
Path p = new Path(args[0]);
int numThreads = conf.GetInt("num.threads", 10);
int writeSize = conf.GetInt("write.size", 511);
int numWrites = conf.GetInt("num.writes", 50000);
int replication = conf.GetInt(DFSConfigKeys.DfsReplicationKey, DFSConfigKeys.DfsReplicationDefault
);
StopWatch sw = new StopWatch().Start();
test.DoMultithreadedWrites(conf, p, numThreads, writeSize, numWrites, replication
);
sw.Stop();
System.Console.Out.WriteLine("Finished in " + sw.Now(TimeUnit.Milliseconds) + "ms"
);
System.Console.Out.WriteLine("Latency quantiles (in microseconds):\n" + test.quantiles
);
return(0);
}
public WriterThread(TestMultiThreadedHflush _enclosing, FSDataOutputStream stm, AtomicReference
<Exception> thrown, CountDownLatch countdown, int numWrites)
{
this._enclosing = _enclosing;
this.stm = stm;
this.thrown = thrown;
this.numWrites = numWrites;
this.countdown = countdown;
}
