static TestQJMWithFaults()
{
// Don't retry connections - it just slows down the tests.
conf.SetInt(CommonConfigurationKeysPublic.IpcClientConnectMaxRetriesKey, 0);
// Make tests run faster by avoiding fsync()
EditLogFileOutputStream.SetShouldSkipFsyncForTesting(true);
}
public static void SetupTest()
{
EditLogFileOutputStream.SetShouldSkipFsyncForTesting(true);
// Track calls to posix_fadvise.
NativeIO.POSIX.SetCacheManipulator(tracker);
// Normally, we wait for a few megabytes of data to be read or written
// before dropping the cache. This is to avoid an excessive number of
// JNI calls to the posix_fadvise function. However, for the purpose
// of this test, we want to use small files and see all fadvise calls
// happen.
BlockSender.CacheDropIntervalBytes = 4096;
BlockReceiver.CacheDropLagBytes = 4096;
}
/// <exception cref="System.IO.IOException"/>
private static void CreateEmptyInProgressEditLog(MiniDFSCluster cluster, NameNode
nn, bool writeHeader)
{
long txid = nn.GetNamesystem().GetEditLog().GetLastWrittenTxId();
URI sharedEditsUri = cluster.GetSharedEditsDir(0, 1);
FilePath sharedEditsDir = new FilePath(sharedEditsUri.GetPath());
Storage.StorageDirectory storageDir = new Storage.StorageDirectory(sharedEditsDir
);
FilePath inProgressFile = NameNodeAdapter.GetInProgressEditsFile(storageDir, txid
+ 1);
NUnit.Framework.Assert.IsTrue("Failed to create in-progress edits file", inProgressFile
.CreateNewFile());
if (writeHeader)
{
DataOutputStream @out = new DataOutputStream(new FileOutputStream(inProgressFile)
);
EditLogFileOutputStream.WriteHeader(NameNodeLayoutVersion.CurrentLayoutVersion, @out
);
@out.Close();
}
}
static TestDFSZKFailoverController()
{
// Make tests run faster by avoiding fsync()
EditLogFileOutputStream.SetShouldSkipFsyncForTesting(true);
}
static TestNestedSnapshots()
{
// These tests generate a large number of edits, and repeated edit log
// flushes can be a bottleneck.
EditLogFileOutputStream.SetShouldSkipFsyncForTesting(true);
}
/// <summary>Create a processor that writes to a given file</summary>
/// <param name="outputName">Name of file to write output to</param>
/// <exception cref="System.IO.IOException"/>
public BinaryEditsVisitor(string outputName)
{
this.elfos = new EditLogFileOutputStream(new Configuration(), new FilePath(outputName
), 0);
elfos.Create(NameNodeLayoutVersion.CurrentLayoutVersion);
}
static TestEditLogsDuringFailover()
{
// No need to fsync for the purposes of tests. This makes
// the tests run much faster.
EditLogFileOutputStream.SetShouldSkipFsyncForTesting(true);
}
