/// <exception cref="System.Exception"/>
public virtual void TestTruncate()
{
FileSystem fs = cluster.GetFileSystem();
bench.CreateControlFile(fs, DefaultNrBytes / 2, DefaultNrFiles);
long tStart = Runtime.CurrentTimeMillis();
bench.TruncateTest(fs);
long execTime = Runtime.CurrentTimeMillis() - tStart;
bench.AnalyzeResult(fs, TestDFSIO.TestType.TestTypeTruncate, execTime);
}
public static void BeforeClass()
{
bench = new TestDFSIO();
bench.GetConf().SetBoolean(DFSConfigKeys.DfsSupportAppendKey, true);
bench.GetConf().SetInt(DFSConfigKeys.DfsHeartbeatIntervalKey, 1);
cluster = new MiniDFSCluster.Builder(bench.GetConf()).NumDataNodes(2).Format(true
).Build();
FileSystem fs = cluster.GetFileSystem();
bench.CreateControlFile(fs, DefaultNrBytes, DefaultNrFiles);
TestWrite();
}