// os2.close() will fail as no block was allocated.
/// <summary>
/// Ensure that reserved space is released when the client goes away
/// unexpectedly.
/// </summary>
/// <remarks>
/// Ensure that reserved space is released when the client goes away
/// unexpectedly.
/// The verification is done for each replica in the write pipeline.
/// </remarks>
/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
/// <exception cref="Sharpen.TimeoutException"/>
public virtual void TestSpaceReleasedOnUnexpectedEof()
{
short replication = 3;
StartCluster(BlockSize, replication, -1);
string methodName = GenericTestUtils.GetMethodName();
Path file = new Path("/" + methodName + ".01.dat");
// Write 1 byte to the file and kill the writer.
FSDataOutputStream os = fs.Create(file, replication);
os.Write(new byte[1]);
os.Hsync();
DFSTestUtil.AbortStream((DFSOutputStream)os.GetWrappedStream());
// Ensure all space reserved for the replica was released on each
// DataNode.
foreach (DataNode dn in cluster.GetDataNodes())
{
FsVolumeImpl volume = (FsVolumeImpl)dn.GetFSDataset().GetVolumes()[0];
GenericTestUtils.WaitFor(new _Supplier_276(volume), 500, int.MaxValue);
}
}
/// <exception cref="System.IO.IOException"/>
private void DoWriteAndAbort(DistributedFileSystem fs, Path path)
{
fs.Mkdirs(path);
fs.AllowSnapshot(path);
DFSTestUtil.CreateFile(fs, new Path("/test/test1"), 100, (short)2, 100024L);
DFSTestUtil.CreateFile(fs, new Path("/test/test2"), 100, (short)2, 100024L);
Path file = new Path("/test/test/test2");
FSDataOutputStream @out = fs.Create(file);
for (int i = 0; i < 2; i++)
{
long count = 0;
while (count < 1048576)
{
@out.WriteBytes("hell");
count += 4;
}
}
((DFSOutputStream)@out.GetWrappedStream()).Hsync(EnumSet.Of(HdfsDataOutputStream.SyncFlag
.UpdateLength));
DFSTestUtil.AbortStream((DFSOutputStream)@out.GetWrappedStream());
Path file2 = new Path("/test/test/test3");
FSDataOutputStream out2 = fs.Create(file2);
for (int i_1 = 0; i_1 < 2; i_1++)
{
long count = 0;
while (count < 1048576)
{
out2.WriteBytes("hell");
count += 4;
}
}
((DFSOutputStream)out2.GetWrappedStream()).Hsync(EnumSet.Of(HdfsDataOutputStream.SyncFlag
.UpdateLength));
DFSTestUtil.AbortStream((DFSOutputStream)out2.GetWrappedStream());
fs.CreateSnapshot(path, "s1");
}
