/// <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();
}
}