public virtual void TestRollbackCommand()
{
Configuration conf = new HdfsConfiguration();
MiniDFSCluster cluster = null;
Path foo = new Path("/foo");
Path bar = new Path("/bar");
try
{
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(0).Build();
cluster.WaitActive();
DistributedFileSystem dfs = cluster.GetFileSystem();
DFSAdmin dfsadmin = new DFSAdmin(conf);
dfs.Mkdirs(foo);
// start rolling upgrade
dfs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeEnter);
NUnit.Framework.Assert.AreEqual(0, dfsadmin.Run(new string[] { "-rollingUpgrade",
"prepare" }));
dfs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeLeave);
// create new directory
dfs.Mkdirs(bar);
// check NNStorage
NNStorage storage = cluster.GetNamesystem().GetFSImage().GetStorage();
CheckNNStorage(storage, 3, -1);
}
finally
{
// (startSegment, mkdir, endSegment)
if (cluster != null)
{
cluster.Shutdown();
}
}
NameNode nn = null;
try
{
nn = NameNode.CreateNameNode(new string[] { "-rollingUpgrade", "rollback" }, conf
);
// make sure /foo is still there, but /bar is not
INode fooNode = nn.GetNamesystem().GetFSDirectory().GetINode4Write(foo.ToString()
);
NUnit.Framework.Assert.IsNotNull(fooNode);
INode barNode = nn.GetNamesystem().GetFSDirectory().GetINode4Write(bar.ToString()
);
NUnit.Framework.Assert.IsNull(barNode);
// check the details of NNStorage
NNStorage storage = nn.GetNamesystem().GetFSImage().GetStorage();
// (startSegment, upgrade marker, mkdir, endSegment)
CheckNNStorage(storage, 3, 7);
}
finally
{
if (nn != null)
{
nn.Stop();
nn.Join();
}
}
}
public virtual void SetUp()
{
fs.Mkdirs(new Path("/sub1"));
fs.AllowSnapshot(new Path("/sub1"));
fs.Mkdirs(new Path("/sub1/sub1sub1"));
fs.Mkdirs(new Path("/sub1/sub1sub2"));
}
public virtual void CreateFiles()
{
hdfs.Delete(new Path(testdir), true);
hdfs.Mkdirs(new Path(testdir));
hdfs.Mkdirs(new Path(testdir + "/foo"));
DFSTestUtil.CreateFile(hdfs, new Path(testdir + "/bar"), 0, (short)1, 0);
}
public virtual void TestSetXAttr()
{
InitCluster(true, false);
fs.Mkdirs(Path);
ExpectException();
fs.SetXAttr(Path, "user.foo", null);
}
/// <summary>
/// Test the listing with different user names to make sure only directories
/// that are owned by the user are listed.
/// </summary>
/// <exception cref="System.Exception"/>
public virtual void TestListWithDifferentUser()
{
cluster.GetNamesystem().GetSnapshotManager().SetAllowNestedSnapshots(true);
// first make dir1 and dir2 snapshottable
hdfs.AllowSnapshot(dir1);
hdfs.AllowSnapshot(dir2);
hdfs.SetPermission(root, FsPermission.ValueOf("-rwxrwxrwx"));
// create two dirs and make them snapshottable under the name of user1
UserGroupInformation ugi1 = UserGroupInformation.CreateUserForTesting("user1", new
string[] { "group1" });
DistributedFileSystem fs1 = (DistributedFileSystem)DFSTestUtil.GetFileSystemAs(ugi1
, conf);
Path dir1_user1 = new Path("/dir1_user1");
Path dir2_user1 = new Path("/dir2_user1");
fs1.Mkdirs(dir1_user1);
fs1.Mkdirs(dir2_user1);
hdfs.AllowSnapshot(dir1_user1);
hdfs.AllowSnapshot(dir2_user1);
// user2
UserGroupInformation ugi2 = UserGroupInformation.CreateUserForTesting("user2", new
string[] { "group2" });
DistributedFileSystem fs2 = (DistributedFileSystem)DFSTestUtil.GetFileSystemAs(ugi2
, conf);
Path dir_user2 = new Path("/dir_user2");
Path subdir_user2 = new Path(dir_user2, "subdir");
fs2.Mkdirs(dir_user2);
fs2.Mkdirs(subdir_user2);
hdfs.AllowSnapshot(dir_user2);
hdfs.AllowSnapshot(subdir_user2);
// super user
string supergroup = conf.Get(DFSConfigKeys.DfsPermissionsSuperusergroupKey, DFSConfigKeys
.DfsPermissionsSuperusergroupDefault);
UserGroupInformation superUgi = UserGroupInformation.CreateUserForTesting("superuser"
, new string[] { supergroup });
DistributedFileSystem fs3 = (DistributedFileSystem)DFSTestUtil.GetFileSystemAs(superUgi
, conf);
// list the snapshottable dirs for superuser
SnapshottableDirectoryStatus[] dirs = fs3.GetSnapshottableDirListing();
// 6 snapshottable dirs: dir1, dir2, dir1_user1, dir2_user1, dir_user2, and
// subdir_user2
NUnit.Framework.Assert.AreEqual(6, dirs.Length);
// list the snapshottable dirs for user1
dirs = fs1.GetSnapshottableDirListing();
// 2 dirs owned by user1: dir1_user1 and dir2_user1
NUnit.Framework.Assert.AreEqual(2, dirs.Length);
NUnit.Framework.Assert.AreEqual(dir1_user1, dirs[0].GetFullPath());
NUnit.Framework.Assert.AreEqual(dir2_user1, dirs[1].GetFullPath());
// list the snapshottable dirs for user2
dirs = fs2.GetSnapshottableDirListing();
// 2 dirs owned by user2: dir_user2 and subdir_user2
NUnit.Framework.Assert.AreEqual(2, dirs.Length);
NUnit.Framework.Assert.AreEqual(dir_user2, dirs[0].GetFullPath());
NUnit.Framework.Assert.AreEqual(subdir_user2, dirs[1].GetFullPath());
}
public virtual void SetUp()
{
conf = new Configuration();
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(Replication).Build();
cluster.WaitActive();
fsn = cluster.GetNamesystem();
hdfs = cluster.GetFileSystem();
hdfs.Mkdirs(dir1);
hdfs.Mkdirs(dir2);
}
public virtual void TestRollbackWithQJM()
{
Configuration conf = new HdfsConfiguration();
MiniJournalCluster mjc = null;
MiniDFSCluster cluster = null;
Path foo = new Path("/foo");
Path bar = new Path("/bar");
try
{
mjc = new MiniJournalCluster.Builder(conf).NumJournalNodes(NumJournalNodes).Build
();
conf.Set(DFSConfigKeys.DfsNamenodeEditsDirKey, mjc.GetQuorumJournalURI(JournalId)
.ToString());
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(0).Build();
cluster.WaitActive();
DistributedFileSystem dfs = cluster.GetFileSystem();
DFSAdmin dfsadmin = new DFSAdmin(conf);
dfs.Mkdirs(foo);
// start rolling upgrade
dfs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeEnter);
NUnit.Framework.Assert.AreEqual(0, dfsadmin.Run(new string[] { "-rollingUpgrade",
"prepare" }));
dfs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeLeave);
// create new directory
dfs.Mkdirs(bar);
dfs.Close();
// rollback
cluster.RestartNameNode("-rollingUpgrade", "rollback");
// make sure /foo is still there, but /bar is not
dfs = cluster.GetFileSystem();
NUnit.Framework.Assert.IsTrue(dfs.Exists(foo));
NUnit.Framework.Assert.IsFalse(dfs.Exists(bar));
// check storage in JNs
for (int i = 0; i < NumJournalNodes; i++)
{
FilePath dir = mjc.GetCurrentDir(0, JournalId);
// segments:(startSegment, mkdir, endSegment), (startSegment, upgrade
// marker, mkdir, endSegment)
CheckJNStorage(dir, 4, 7);
}
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
if (mjc != null)
{
mjc.Shutdown();
}
}
}
public virtual void TestModifyAclEntries()
{
InitCluster(true, false);
fs.Mkdirs(Path);
ExpectException();
fs.ModifyAclEntries(Path, Lists.NewArrayList(AclTestHelpers.AclEntry(AclEntryScope
.Default, AclEntryType.User, "foo", FsAction.ReadWrite)));
}
public virtual void TestSaveNamespaceWithRenamedLease()
{
MiniDFSCluster cluster = new MiniDFSCluster.Builder(new Configuration()).NumDataNodes
(1).Build();
cluster.WaitActive();
DistributedFileSystem fs = (DistributedFileSystem)cluster.GetFileSystem();
OutputStream @out = null;
try
{
fs.Mkdirs(new Path("/test-target"));
@out = fs.Create(new Path("/test-source/foo"));
// don't close
fs.Rename(new Path("/test-source/"), new Path("/test-target/"));
fs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeEnter);
cluster.GetNameNodeRpc().SaveNamespace();
fs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeLeave);
}
finally
{
IOUtils.Cleanup(Log, @out, fs);
if (cluster != null)
{
cluster.Shutdown();
}
}
}
public virtual void TestWebHdfsRenameSnapshot()
{
MiniDFSCluster cluster = null;
Configuration conf = WebHdfsTestUtil.CreateConf();
try
{
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(0).Build();
cluster.WaitActive();
DistributedFileSystem dfs = cluster.GetFileSystem();
FileSystem webHdfs = WebHdfsTestUtil.GetWebHdfsFileSystem(conf, WebHdfsFileSystem
.Scheme);
Path foo = new Path("/foo");
dfs.Mkdirs(foo);
dfs.AllowSnapshot(foo);
webHdfs.CreateSnapshot(foo, "s1");
Path s1path = SnapshotTestHelper.GetSnapshotRoot(foo, "s1");
NUnit.Framework.Assert.IsTrue(webHdfs.Exists(s1path));
// rename s1 to s2
webHdfs.RenameSnapshot(foo, "s1", "s2");
NUnit.Framework.Assert.IsFalse(webHdfs.Exists(s1path));
Path s2path = SnapshotTestHelper.GetSnapshotRoot(foo, "s2");
NUnit.Framework.Assert.IsTrue(webHdfs.Exists(s2path));
webHdfs.DeleteSnapshot(foo, "s2");
NUnit.Framework.Assert.IsFalse(webHdfs.Exists(s2path));
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
public static void SetUp()
{
conf = new Configuration();
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(1).Build();
cluster.WaitActive();
fsn = cluster.GetNamesystem();
fs = cluster.GetFileSystem();
Path path1 = new Path(sub1, "dir1");
NUnit.Framework.Assert.IsTrue(fs.Mkdirs(path1));
Path path2 = new Path(sub2, "dir2");
NUnit.Framework.Assert.IsTrue(fs.Mkdirs(path2));
SnapshotTestHelper.CreateSnapshot(fs, sub1, "testSnapshot");
objInSnapshot = SnapshotTestHelper.GetSnapshotPath(sub1, "testSnapshot", "dir1");
}
public virtual void TestSaveLoadImage()
{
int s = 0;
// make changes to the namesystem
hdfs.Mkdirs(dir);
SnapshotTestHelper.CreateSnapshot(hdfs, dir, "s" + ++s);
Path sub1 = new Path(dir, "sub1");
hdfs.Mkdirs(sub1);
hdfs.SetPermission(sub1, new FsPermission((short)0x1ff));
Path sub11 = new Path(sub1, "sub11");
hdfs.Mkdirs(sub11);
CheckImage(s);
hdfs.CreateSnapshot(dir, "s" + ++s);
Path sub1file1 = new Path(sub1, "sub1file1");
Path sub1file2 = new Path(sub1, "sub1file2");
DFSTestUtil.CreateFile(hdfs, sub1file1, Blocksize, Replication, seed);
DFSTestUtil.CreateFile(hdfs, sub1file2, Blocksize, Replication, seed);
CheckImage(s);
hdfs.CreateSnapshot(dir, "s" + ++s);
Path sub2 = new Path(dir, "sub2");
Path sub2file1 = new Path(sub2, "sub2file1");
Path sub2file2 = new Path(sub2, "sub2file2");
DFSTestUtil.CreateFile(hdfs, sub2file1, Blocksize, Replication, seed);
DFSTestUtil.CreateFile(hdfs, sub2file2, Blocksize, Replication, seed);
CheckImage(s);
hdfs.CreateSnapshot(dir, "s" + ++s);
hdfs.SetReplication(sub1file1, (short)(Replication - 1));
hdfs.Delete(sub1file2, true);
hdfs.SetOwner(sub2, "dr.who", "unknown");
hdfs.Delete(sub2file1, true);
CheckImage(s);
hdfs.CreateSnapshot(dir, "s" + ++s);
Path sub1_sub2file2 = new Path(sub1, "sub2file2");
hdfs.Rename(sub2file2, sub1_sub2file2);
hdfs.Rename(sub1file1, sub2file1);
CheckImage(s);
hdfs.Rename(sub2file1, sub2file2);
CheckImage(s);
}
/// <summary>Basic read/write tests of raw files.</summary>
/// <remarks>
/// Basic read/write tests of raw files.
/// Create a non-encrypted file
/// Create an encryption zone
/// Verify that non-encrypted file contents and decrypted file in EZ are equal
/// Compare the raw encrypted bytes of the file with the decrypted version to
/// ensure they're different
/// Compare the raw and non-raw versions of the non-encrypted file to ensure
/// they're the same.
/// </remarks>
/// <exception cref="System.Exception"/>
public virtual void TestReadWriteRaw()
{
// Create a base file for comparison
Path baseFile = new Path("/base");
int len = 8192;
DFSTestUtil.CreateFile(fs, baseFile, len, (short)1, unchecked ((int)(0xFEED)));
// Create the first enc file
Path zone = new Path("/zone");
fs.Mkdirs(zone);
dfsAdmin.CreateEncryptionZone(zone, TestKey);
Path encFile1 = new Path(zone, "myfile");
DFSTestUtil.CreateFile(fs, encFile1, len, (short)1, unchecked ((int)(0xFEED)));
// Read them back in and compare byte-by-byte
DFSTestUtil.VerifyFilesEqual(fs, baseFile, encFile1, len);
// Raw file should be different from encrypted file
Path encFile1Raw = new Path(zone, "/.reserved/raw/zone/myfile");
DFSTestUtil.VerifyFilesNotEqual(fs, encFile1Raw, encFile1, len);
// Raw file should be same as /base which is not in an EZ
Path baseFileRaw = new Path(zone, "/.reserved/raw/base");
DFSTestUtil.VerifyFilesEqual(fs, baseFile, baseFileRaw, len);
}
/// <exception cref="System.Exception"/>
public virtual void TestDowngrade()
{
Configuration conf = new HdfsConfiguration();
MiniQJMHACluster cluster = null;
Path foo = new Path("/foo");
Path bar = new Path("/bar");
try
{
cluster = new MiniQJMHACluster.Builder(conf).Build();
MiniDFSCluster dfsCluster = cluster.GetDfsCluster();
dfsCluster.WaitActive();
// let NN1 tail editlog every 1s
dfsCluster.GetConfiguration(1).SetInt(DFSConfigKeys.DfsHaTaileditsPeriodKey, 1);
dfsCluster.RestartNameNode(1);
dfsCluster.TransitionToActive(0);
DistributedFileSystem dfs = dfsCluster.GetFileSystem(0);
dfs.Mkdirs(foo);
// start rolling upgrade
RollingUpgradeInfo info = dfs.RollingUpgrade(HdfsConstants.RollingUpgradeAction.Prepare
);
NUnit.Framework.Assert.IsTrue(info.IsStarted());
dfs.Mkdirs(bar);
TestRollingUpgrade.QueryForPreparation(dfs);
dfs.Close();
dfsCluster.RestartNameNode(0, true, "-rollingUpgrade", "downgrade");
// Once downgraded, there should be no more fsimage for rollbacks.
NUnit.Framework.Assert.IsFalse(dfsCluster.GetNamesystem(0).GetFSImage().HasRollbackFSImage
());
// shutdown NN1
dfsCluster.ShutdownNameNode(1);
dfsCluster.TransitionToActive(0);
dfs = dfsCluster.GetFileSystem(0);
NUnit.Framework.Assert.IsTrue(dfs.Exists(foo));
NUnit.Framework.Assert.IsTrue(dfs.Exists(bar));
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
/// <exception cref="System.Exception"/>
public virtual void TestFinalize()
{
Configuration conf = new HdfsConfiguration();
MiniQJMHACluster cluster = null;
Path foo = new Path("/foo");
Path bar = new Path("/bar");
try
{
cluster = new MiniQJMHACluster.Builder(conf).Build();
MiniDFSCluster dfsCluster = cluster.GetDfsCluster();
dfsCluster.WaitActive();
// let NN1 tail editlog every 1s
dfsCluster.GetConfiguration(1).SetInt(DFSConfigKeys.DfsHaTaileditsPeriodKey, 1);
dfsCluster.RestartNameNode(1);
dfsCluster.TransitionToActive(0);
DistributedFileSystem dfs = dfsCluster.GetFileSystem(0);
dfs.Mkdirs(foo);
FSImage fsimage = dfsCluster.GetNamesystem(0).GetFSImage();
// start rolling upgrade
RollingUpgradeInfo info = dfs.RollingUpgrade(HdfsConstants.RollingUpgradeAction.Prepare
);
NUnit.Framework.Assert.IsTrue(info.IsStarted());
dfs.Mkdirs(bar);
QueryForPreparation(dfs);
// The NN should have a copy of the fsimage in case of rollbacks.
NUnit.Framework.Assert.IsTrue(fsimage.HasRollbackFSImage());
info = dfs.RollingUpgrade(HdfsConstants.RollingUpgradeAction.Finalize);
NUnit.Framework.Assert.IsTrue(info.IsFinalized());
NUnit.Framework.Assert.IsTrue(dfs.Exists(foo));
// Once finalized, there should be no more fsimage for rollbacks.
NUnit.Framework.Assert.IsFalse(fsimage.HasRollbackFSImage());
// Should have no problem in restart and replaying edits that include
// the FINALIZE op.
dfsCluster.RestartNameNode(0);
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
public virtual void TestSocketFactory()
{
// Create a standard mini-cluster
Configuration sconf = new Configuration();
MiniDFSCluster cluster = new MiniDFSCluster.Builder(sconf).NumDataNodes(1).Build(
);
int nameNodePort = cluster.GetNameNodePort();
// Get a reference to its DFS directly
FileSystem fs = cluster.GetFileSystem();
NUnit.Framework.Assert.IsTrue(fs is DistributedFileSystem);
DistributedFileSystem directDfs = (DistributedFileSystem)fs;
Configuration cconf = GetCustomSocketConfigs(nameNodePort);
fs = FileSystem.Get(cconf);
NUnit.Framework.Assert.IsTrue(fs is DistributedFileSystem);
DistributedFileSystem dfs = (DistributedFileSystem)fs;
JobClient client = null;
MiniMRYarnCluster miniMRYarnCluster = null;
try
{
// This will test RPC to the NameNode only.
// could we test Client-DataNode connections?
Path filePath = new Path("/dir");
NUnit.Framework.Assert.IsFalse(directDfs.Exists(filePath));
NUnit.Framework.Assert.IsFalse(dfs.Exists(filePath));
directDfs.Mkdirs(filePath);
NUnit.Framework.Assert.IsTrue(directDfs.Exists(filePath));
NUnit.Framework.Assert.IsTrue(dfs.Exists(filePath));
// This will test RPC to a Resource Manager
fs = FileSystem.Get(sconf);
JobConf jobConf = new JobConf();
FileSystem.SetDefaultUri(jobConf, fs.GetUri().ToString());
miniMRYarnCluster = InitAndStartMiniMRYarnCluster(jobConf);
JobConf jconf = new JobConf(miniMRYarnCluster.GetConfig());
jconf.Set("hadoop.rpc.socket.factory.class.default", "org.apache.hadoop.ipc.DummySocketFactory"
);
jconf.Set(MRConfig.FrameworkName, MRConfig.YarnFrameworkName);
string rmAddress = jconf.Get("yarn.resourcemanager.address");
string[] split = rmAddress.Split(":");
jconf.Set("yarn.resourcemanager.address", split[0] + ':' + (System.Convert.ToInt32
(split[1]) + 10));
client = new JobClient(jconf);
JobStatus[] jobs = client.JobsToComplete();
NUnit.Framework.Assert.IsTrue(jobs.Length == 0);
}
finally
{
CloseClient(client);
CloseDfs(dfs);
CloseDfs(directDfs);
StopMiniMRYarnCluster(miniMRYarnCluster);
ShutdownDFSCluster(cluster);
}
}
public virtual void SetUp()
{
conf = new Configuration();
conf.SetLong(DFSConfigKeys.DfsBlockSizeKey, Blocksize);
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(Replication).Build();
cluster.WaitActive();
fsn = cluster.GetNamesystem();
fsdir = fsn.GetFSDirectory();
hdfs = cluster.GetFileSystem();
hdfs.Mkdirs(dir);
}
/// <summary>Test if the quota can be correctly updated for create file</summary>
/// <exception cref="System.Exception"/>
public virtual void TestQuotaUpdateWithFileCreate()
{
Path foo = new Path(dir, "foo");
Path createdFile = new Path(foo, "created_file.data");
dfs.Mkdirs(foo);
dfs.SetQuota(foo, long.MaxValue - 1, long.MaxValue - 1);
long fileLen = Blocksize * 2 + Blocksize / 2;
DFSTestUtil.CreateFile(dfs, createdFile, Blocksize / 16, fileLen, Blocksize, Replication
, seed);
INode fnode = fsdir.GetINode4Write(foo.ToString());
NUnit.Framework.Assert.IsTrue(fnode.IsDirectory());
NUnit.Framework.Assert.IsTrue(fnode.IsQuotaSet());
QuotaCounts cnt = fnode.AsDirectory().GetDirectoryWithQuotaFeature().GetSpaceConsumed
();
NUnit.Framework.Assert.AreEqual(2, cnt.GetNameSpace());
NUnit.Framework.Assert.AreEqual(fileLen * Replication, cnt.GetStorageSpace());
}
public virtual void SetUp()
{
Configuration conf = new Configuration();
conf.SetLong(DFSConfigKeys.DfsBlockSizeKey, Blocksize);
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(Replication).Build();
cluster.WaitActive();
fsdir = cluster.GetNamesystem().GetFSDirectory();
dfs = cluster.GetFileSystem();
dfs.Mkdirs(dir);
dfs.SetQuota(dir, long.MaxValue - 1, Diskquota);
dfs.SetQuotaByStorageType(dir, StorageType.Disk, Diskquota);
dfs.SetStoragePolicy(dir, HdfsConstants.HotStoragePolicyName);
}
public virtual void TestTransactionAndCheckpointMetrics()
{
long lastCkptTime = MetricsAsserts.GetLongGauge("LastCheckpointTime", MetricsAsserts.GetMetrics
(NsMetrics));
MetricsAsserts.AssertGauge("LastCheckpointTime", lastCkptTime, MetricsAsserts.GetMetrics
(NsMetrics));
MetricsAsserts.AssertGauge("LastWrittenTransactionId", 1L, MetricsAsserts.GetMetrics
(NsMetrics));
MetricsAsserts.AssertGauge("TransactionsSinceLastCheckpoint", 1L, MetricsAsserts.GetMetrics
(NsMetrics));
MetricsAsserts.AssertGauge("TransactionsSinceLastLogRoll", 1L, MetricsAsserts.GetMetrics
(NsMetrics));
fs.Mkdirs(new Path(TestRootDirPath, "/tmp"));
UpdateMetrics();
MetricsAsserts.AssertGauge("LastCheckpointTime", lastCkptTime, MetricsAsserts.GetMetrics
(NsMetrics));
MetricsAsserts.AssertGauge("LastWrittenTransactionId", 2L, MetricsAsserts.GetMetrics
(NsMetrics));
MetricsAsserts.AssertGauge("TransactionsSinceLastCheckpoint", 2L, MetricsAsserts.GetMetrics
(NsMetrics));
MetricsAsserts.AssertGauge("TransactionsSinceLastLogRoll", 2L, MetricsAsserts.GetMetrics
(NsMetrics));
cluster.GetNameNodeRpc().RollEditLog();
UpdateMetrics();
MetricsAsserts.AssertGauge("LastCheckpointTime", lastCkptTime, MetricsAsserts.GetMetrics
(NsMetrics));
MetricsAsserts.AssertGauge("LastWrittenTransactionId", 4L, MetricsAsserts.GetMetrics
(NsMetrics));
MetricsAsserts.AssertGauge("TransactionsSinceLastCheckpoint", 4L, MetricsAsserts.GetMetrics
(NsMetrics));
MetricsAsserts.AssertGauge("TransactionsSinceLastLogRoll", 1L, MetricsAsserts.GetMetrics
(NsMetrics));
cluster.GetNameNodeRpc().SetSafeMode(HdfsConstants.SafeModeAction.SafemodeEnter,
false);
cluster.GetNameNodeRpc().SaveNamespace();
cluster.GetNameNodeRpc().SetSafeMode(HdfsConstants.SafeModeAction.SafemodeLeave,
false);
UpdateMetrics();
long newLastCkptTime = MetricsAsserts.GetLongGauge("LastCheckpointTime", MetricsAsserts.GetMetrics
(NsMetrics));
NUnit.Framework.Assert.IsTrue(lastCkptTime < newLastCkptTime);
MetricsAsserts.AssertGauge("LastWrittenTransactionId", 6L, MetricsAsserts.GetMetrics
(NsMetrics));
MetricsAsserts.AssertGauge("TransactionsSinceLastCheckpoint", 1L, MetricsAsserts.GetMetrics
(NsMetrics));
MetricsAsserts.AssertGauge("TransactionsSinceLastLogRoll", 1L, MetricsAsserts.GetMetrics
(NsMetrics));
}
/// <exception cref="System.Exception"/>
public virtual void TestSetQuota()
{
Path dir = new Path("/TestSnapshot");
hdfs.Mkdirs(dir);
// allow snapshot on dir and create snapshot s1
SnapshotTestHelper.CreateSnapshot(hdfs, dir, "s1");
Path sub = new Path(dir, "sub");
hdfs.Mkdirs(sub);
Path fileInSub = new Path(sub, "file");
DFSTestUtil.CreateFile(hdfs, fileInSub, Blocksize, Replication, seed);
INodeDirectory subNode = INodeDirectory.ValueOf(fsdir.GetINode(sub.ToString()), sub
);
// subNode should be a INodeDirectory, but not an INodeDirectoryWithSnapshot
NUnit.Framework.Assert.IsFalse(subNode.IsWithSnapshot());
hdfs.SetQuota(sub, long.MaxValue - 1, long.MaxValue - 1);
subNode = INodeDirectory.ValueOf(fsdir.GetINode(sub.ToString()), sub);
NUnit.Framework.Assert.IsTrue(subNode.IsQuotaSet());
NUnit.Framework.Assert.IsFalse(subNode.IsWithSnapshot());
}
public virtual void TestCheckpointWithSNN()
{
MiniDFSCluster cluster = null;
DistributedFileSystem dfs = null;
SecondaryNameNode snn = null;
try
{
Configuration conf = new HdfsConfiguration();
cluster = new MiniDFSCluster.Builder(conf).Build();
cluster.WaitActive();
conf.Set(DFSConfigKeys.DfsNamenodeSecondaryHttpAddressKey, "0.0.0.0:0");
snn = new SecondaryNameNode(conf);
dfs = cluster.GetFileSystem();
dfs.Mkdirs(new Path("/test/foo"));
snn.DoCheckpoint();
//start rolling upgrade
dfs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeEnter);
dfs.RollingUpgrade(HdfsConstants.RollingUpgradeAction.Prepare);
dfs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeLeave);
dfs.Mkdirs(new Path("/test/bar"));
// do checkpoint in SNN again
snn.DoCheckpoint();
}
finally
{
IOUtils.Cleanup(null, dfs);
if (snn != null)
{
snn.Shutdown();
}
if (cluster != null)
{
cluster.Shutdown();
}
}
}
/// <summary>Ensure mtime and atime can be loaded from fsimage.</summary>
/// <exception cref="System.Exception"/>
public virtual void TestLoadMtimeAtime()
{
Configuration conf = new Configuration();
MiniDFSCluster cluster = null;
try
{
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(1).Build();
cluster.WaitActive();
DistributedFileSystem hdfs = cluster.GetFileSystem();
string userDir = hdfs.GetHomeDirectory().ToUri().GetPath().ToString();
Path file = new Path(userDir, "file");
Path dir = new Path(userDir, "/dir");
Path link = new Path(userDir, "/link");
hdfs.CreateNewFile(file);
hdfs.Mkdirs(dir);
hdfs.CreateSymlink(file, link, false);
long mtimeFile = hdfs.GetFileStatus(file).GetModificationTime();
long atimeFile = hdfs.GetFileStatus(file).GetAccessTime();
long mtimeDir = hdfs.GetFileStatus(dir).GetModificationTime();
long mtimeLink = hdfs.GetFileLinkStatus(link).GetModificationTime();
long atimeLink = hdfs.GetFileLinkStatus(link).GetAccessTime();
// save namespace and restart cluster
hdfs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeEnter);
hdfs.SaveNamespace();
hdfs.SetSafeMode(HdfsConstants.SafeModeAction.SafemodeLeave);
cluster.Shutdown();
cluster = new MiniDFSCluster.Builder(conf).Format(false).NumDataNodes(1).Build();
cluster.WaitActive();
hdfs = cluster.GetFileSystem();
NUnit.Framework.Assert.AreEqual(mtimeFile, hdfs.GetFileStatus(file).GetModificationTime
());
NUnit.Framework.Assert.AreEqual(atimeFile, hdfs.GetFileStatus(file).GetAccessTime
());
NUnit.Framework.Assert.AreEqual(mtimeDir, hdfs.GetFileStatus(dir).GetModificationTime
());
NUnit.Framework.Assert.AreEqual(mtimeLink, hdfs.GetFileLinkStatus(link).GetModificationTime
());
NUnit.Framework.Assert.AreEqual(atimeLink, hdfs.GetFileLinkStatus(link).GetAccessTime
());
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
/*
* Try to read the files inside snapshot but deleted in original place after
* restarting post checkpoint. refer HDFS-5427
*/
/// <exception cref="System.Exception"/>
public virtual void TestReadSnapshotFileWithCheckpoint()
{
Path foo = new Path("/foo");
hdfs.Mkdirs(foo);
hdfs.AllowSnapshot(foo);
Path bar = new Path("/foo/bar");
DFSTestUtil.CreateFile(hdfs, bar, 100, (short)2, 100024L);
hdfs.CreateSnapshot(foo, "s1");
NUnit.Framework.Assert.IsTrue(hdfs.Delete(bar, true));
// checkpoint
NameNode nameNode = cluster.GetNameNode();
NameNodeAdapter.EnterSafeMode(nameNode, false);
NameNodeAdapter.SaveNamespace(nameNode);
NameNodeAdapter.LeaveSafeMode(nameNode);
// restart namenode to load snapshot files from fsimage
cluster.RestartNameNode(true);
string snapshotPath = Org.Apache.Hadoop.Hdfs.Server.Namenode.Snapshot.Snapshot.GetSnapshotPath
(foo.ToString(), "s1/bar");
DFSTestUtil.ReadFile(hdfs, new Path(snapshotPath));
}
public virtual void SetUp()
{
conf = new Configuration();
conf.SetInt(DFSConfigKeys.DfsNamenodeMaxXattrsPerInodeKey, 2);
cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(Replication).Build();
cluster.WaitActive();
fsn = cluster.GetNamesystem();
fsdir = fsn.GetFSDirectory();
hdfs = cluster.GetFileSystem();
DFSTestUtil.CreateFile(hdfs, file1, 1024, Replication, seed);
DFSTestUtil.CreateFile(hdfs, file2, 1024, Replication, seed);
DFSTestUtil.CreateFile(hdfs, file3, 1024, Replication, seed);
DFSTestUtil.CreateFile(hdfs, file5, 1024, Replication, seed);
hdfs.Mkdirs(sub2);
}
public virtual void TestBootstrapStandbyWithActiveNN()
{
// make nn0 active
cluster.TransitionToActive(0);
// do ops and generate in-progress edit log data
Configuration confNN1 = cluster.GetConfiguration(1);
DistributedFileSystem dfs = (DistributedFileSystem)HATestUtil.ConfigureFailoverFs
(cluster, confNN1);
for (int i = 1; i <= 10; i++)
{
dfs.Mkdirs(new Path("/test" + i));
}
dfs.Close();
// shutdown nn1 and delete its edit log files
cluster.ShutdownNameNode(1);
DeleteEditLogIfExists(confNN1);
cluster.GetNameNodeRpc(0).SetSafeMode(HdfsConstants.SafeModeAction.SafemodeEnter,
true);
cluster.GetNameNodeRpc(0).SaveNamespace();
cluster.GetNameNodeRpc(0).SetSafeMode(HdfsConstants.SafeModeAction.SafemodeLeave,
true);
// check without -skipSharedEditsCheck, Bootstrap should fail for BKJM
// immediately after saveNamespace
int rc = BootstrapStandby.Run(new string[] { "-force", "-nonInteractive" }, confNN1
);
NUnit.Framework.Assert.AreEqual("Mismatches return code", 6, rc);
// check with -skipSharedEditsCheck
rc = BootstrapStandby.Run(new string[] { "-force", "-nonInteractive", "-skipSharedEditsCheck" }, confNN1);
NUnit.Framework.Assert.AreEqual("Mismatches return code", 0, rc);
// Checkpoint as fast as we can, in a tight loop.
confNN1.SetInt(DFSConfigKeys.DfsNamenodeCheckpointPeriodKey, 1);
cluster.RestartNameNode(1);
cluster.TransitionToStandby(1);
NameNode nn0 = cluster.GetNameNode(0);
HATestUtil.WaitForStandbyToCatchUp(nn0, cluster.GetNameNode(1));
long expectedCheckpointTxId = NameNodeAdapter.GetNamesystem(nn0).GetFSImage().GetMostRecentCheckpointTxId
();
HATestUtil.WaitForCheckpoint(cluster, 1, ImmutableList.Of((int)expectedCheckpointTxId
));
// Should have copied over the namespace
FSImageTestUtil.AssertNNHasCheckpoints(cluster, 1, ImmutableList.Of((int)expectedCheckpointTxId
));
FSImageTestUtil.AssertNNFilesMatch(cluster);
}
public virtual void TestScheduleBlockWithinSameNode()
{
Configuration conf = new HdfsConfiguration();
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(3).StorageTypes
(new StorageType[] { StorageType.Disk, StorageType.Archive }).Build();
try
{
cluster.WaitActive();
DistributedFileSystem dfs = cluster.GetFileSystem();
string file = "/testScheduleWithinSameNode/file";
Path dir = new Path("/testScheduleWithinSameNode");
dfs.Mkdirs(dir);
// write to DISK
dfs.SetStoragePolicy(dir, "HOT");
{
FSDataOutputStream @out = dfs.Create(new Path(file));
@out.WriteChars("testScheduleWithinSameNode");
@out.Close();
}
//verify before movement
LocatedBlock lb = dfs.GetClient().GetLocatedBlocks(file, 0).Get(0);
StorageType[] storageTypes = lb.GetStorageTypes();
foreach (StorageType storageType in storageTypes)
{
NUnit.Framework.Assert.IsTrue(StorageType.Disk == storageType);
}
// move to ARCHIVE
dfs.SetStoragePolicy(dir, "COLD");
int rc = ToolRunner.Run(conf, new Mover.Cli(), new string[] { "-p", dir.ToString(
) });
NUnit.Framework.Assert.AreEqual("Movement to ARCHIVE should be successfull", 0, rc
);
// Wait till namenode notified
Sharpen.Thread.Sleep(3000);
lb = dfs.GetClient().GetLocatedBlocks(file, 0).Get(0);
storageTypes = lb.GetStorageTypes();
foreach (StorageType storageType_1 in storageTypes)
{
NUnit.Framework.Assert.IsTrue(StorageType.Archive == storageType_1);
}
}
finally
{
cluster.Shutdown();
}
}
/// <exception cref="System.Exception"/>
public object Run()
{
DistributedFileSystem fs = this._enclosing.cluster.GetFileSystem();
Path d1 = new Path(reservedRaw, "dir1");
try
{
fs.Mkdirs(d1);
NUnit.Framework.Assert.Fail("access to /.reserved/raw is superuser-only operation"
);
}
catch (AccessControlException e)
{
GenericTestUtils.AssertExceptionContains("Superuser privilege is required", e);
}
return(null);
}
/// <summary>Create files/directories/snapshots.</summary>
/// <exception cref="System.Exception"/>
internal virtual void Prepare(DistributedFileSystem dfs, short repl)
{
foreach (Path d in dirs)
{
dfs.Mkdirs(d);
}
foreach (Path file in files)
{
DFSTestUtil.CreateFile(dfs, file, fileSize, repl, 0L);
}
foreach (KeyValuePair <Path, IList <string> > entry in snapshotMap)
{
foreach (string snapshot in entry.Value)
{
SnapshotTestHelper.CreateSnapshot(dfs, entry.Key, snapshot);
}
}
}
/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
public virtual void TestCheckpoint()
{
Configuration conf = new Configuration();
conf.SetInt(DFSConfigKeys.DfsHaTaileditsPeriodKey, 1);
conf.SetInt(DFSConfigKeys.DfsNamenodeCheckpointPeriodKey, 1);
MiniQJMHACluster cluster = null;
Path foo = new Path("/foo");
try
{
cluster = new MiniQJMHACluster.Builder(conf).Build();
MiniDFSCluster dfsCluster = cluster.GetDfsCluster();
dfsCluster.WaitActive();
dfsCluster.TransitionToActive(0);
DistributedFileSystem dfs = dfsCluster.GetFileSystem(0);
// start rolling upgrade
RollingUpgradeInfo info = dfs.RollingUpgrade(HdfsConstants.RollingUpgradeAction.Prepare
);
NUnit.Framework.Assert.IsTrue(info.IsStarted());
QueryForPreparation(dfs);
dfs.Mkdirs(foo);
long txid = dfs.RollEdits();
NUnit.Framework.Assert.IsTrue(txid > 0);
int retries = 0;
while (++retries < 5)
{
NNStorage storage = dfsCluster.GetNamesystem(1).GetFSImage().GetStorage();
if (storage.GetFsImageName(txid - 1) != null)
{
return;
}
Sharpen.Thread.Sleep(1000);
}
NUnit.Framework.Assert.Fail("new checkpoint does not exist");
}
finally
{
if (cluster != null)
{
cluster.Shutdown();
}
}
}
