public virtual void TestDeletingBlocks()
{
MiniDFSCluster cluster = new MiniDFSCluster.Builder(new HdfsConfiguration()).Build
();
try
{
cluster.WaitActive();
DataNode dn = cluster.GetDataNodes()[0];
FsDatasetImpl ds = (FsDatasetImpl)DataNodeTestUtils.GetFSDataset(dn);
FsVolumeImpl vol = ds.GetVolumes()[0];
ExtendedBlock eb;
ReplicaInfo info;
IList <Block> blockList = new AList <Block>();
for (int i = 1; i <= 63; i++)
{
eb = new ExtendedBlock(Blockpool, i, 1, 1000 + i);
info = new FinalizedReplica(eb.GetLocalBlock(), vol, vol.GetCurrentDir().GetParentFile
());
ds.volumeMap.Add(Blockpool, info);
info.GetBlockFile().CreateNewFile();
info.GetMetaFile().CreateNewFile();
blockList.AddItem(info);
}
ds.Invalidate(Blockpool, Sharpen.Collections.ToArray(blockList, new Block[0]));
try
{
Sharpen.Thread.Sleep(1000);
}
catch (Exception)
{
}
// Nothing to do
NUnit.Framework.Assert.IsTrue(ds.IsDeletingBlock(Blockpool, blockList[0].GetBlockId
()));
blockList.Clear();
eb = new ExtendedBlock(Blockpool, 64, 1, 1064);
info = new FinalizedReplica(eb.GetLocalBlock(), vol, vol.GetCurrentDir().GetParentFile
());
ds.volumeMap.Add(Blockpool, info);
info.GetBlockFile().CreateNewFile();
info.GetMetaFile().CreateNewFile();
blockList.AddItem(info);
ds.Invalidate(Blockpool, Sharpen.Collections.ToArray(blockList, new Block[0]));
try
{
Sharpen.Thread.Sleep(1000);
}
catch (Exception)
{
}
// Nothing to do
NUnit.Framework.Assert.IsFalse(ds.IsDeletingBlock(Blockpool, blockList[0].GetBlockId
()));
}
finally
{
cluster.Shutdown();
}
}
/// <summary>
/// Generate testing environment and return a collection of blocks
/// on which to run the tests.
/// </summary>
/// <param name="bpid">Block pool ID to generate blocks for</param>
/// <param name="dataSet">Namespace in which to insert blocks</param>
/// <returns>Contrived blocks for further testing.</returns>
/// <exception cref="System.IO.IOException"/>
private ExtendedBlock[] Setup(string bpid, FsDatasetImpl dataSet)
{
// setup replicas map
ExtendedBlock[] blocks = new ExtendedBlock[] { new ExtendedBlock(bpid, 1, 1, 2001
), new ExtendedBlock(bpid, 2, 1, 2002), new ExtendedBlock(bpid, 3, 1, 2003), new
ExtendedBlock(bpid, 4, 1, 2004), new ExtendedBlock(bpid, 5, 1, 2005), new ExtendedBlock
(bpid, 6, 1, 2006) };
ReplicaMap replicasMap = dataSet.volumeMap;
FsVolumeImpl vol = (FsVolumeImpl)dataSet.volumes.GetNextVolume(StorageType.Default
, 0).GetVolume();
ReplicaInfo replicaInfo = new FinalizedReplica(blocks[Finalized].GetLocalBlock(),
vol, vol.GetCurrentDir().GetParentFile());
replicasMap.Add(bpid, replicaInfo);
replicaInfo.GetBlockFile().CreateNewFile();
replicaInfo.GetMetaFile().CreateNewFile();
replicasMap.Add(bpid, new ReplicaInPipeline(blocks[Temporary].GetBlockId(), blocks
[Temporary].GetGenerationStamp(), vol, vol.CreateTmpFile(bpid, blocks[Temporary]
.GetLocalBlock()).GetParentFile(), 0));
replicaInfo = new ReplicaBeingWritten(blocks[Rbw].GetLocalBlock(), vol, vol.CreateRbwFile
(bpid, blocks[Rbw].GetLocalBlock()).GetParentFile(), null);
replicasMap.Add(bpid, replicaInfo);
replicaInfo.GetBlockFile().CreateNewFile();
replicaInfo.GetMetaFile().CreateNewFile();
replicasMap.Add(bpid, new ReplicaWaitingToBeRecovered(blocks[Rwr].GetLocalBlock()
, vol, vol.CreateRbwFile(bpid, blocks[Rwr].GetLocalBlock()).GetParentFile()));
replicasMap.Add(bpid, new ReplicaUnderRecovery(new FinalizedReplica(blocks[Rur].GetLocalBlock
(), vol, vol.GetCurrentDir().GetParentFile()), 2007));
return(blocks);
}
