public _Callable_204(StandbyCheckpointer _enclosing, NNStorage.NameNodeFile imageType
, long txid)
{
this._enclosing = _enclosing;
this.imageType = imageType;
this.txid = txid;
}
public virtual void TestGetOtherNNHttpAddress()
{
// Use non-local addresses to avoid host address matching
Configuration conf = GetHAConf("ns1", "1.2.3.1", "1.2.3.2");
conf.Set(DFSConfigKeys.DfsNameserviceId, "ns1");
// This is done by the NN before the StandbyCheckpointer is created
NameNode.InitializeGenericKeys(conf, "ns1", "nn1");
// Since we didn't configure the HTTP address, and the default is
// 0.0.0.0, it should substitute the address from the RPC configuration
// above.
StandbyCheckpointer checkpointer = new StandbyCheckpointer(conf, fsn);
NUnit.Framework.Assert.AreEqual(new Uri("http", "1.2.3.2", DFSConfigKeys.DfsNamenodeHttpPortDefault
, string.Empty), checkpointer.GetActiveNNAddress());
}
/// <summary>
/// Test cancellation of ongoing checkpoints when failover happens
/// mid-checkpoint.
/// </summary>
/// <exception cref="System.Exception"/>
public virtual void TestCheckpointCancellation()
{
cluster.TransitionToStandby(0);
// Create an edit log in the shared edits dir with a lot
// of mkdirs operations. This is solely so that the image is
// large enough to take a non-trivial amount of time to load.
// (only ~15MB)
URI sharedUri = cluster.GetSharedEditsDir(0, 1);
FilePath sharedDir = new FilePath(sharedUri.GetPath(), "current");
FilePath tmpDir = new FilePath(MiniDFSCluster.GetBaseDirectory(), "testCheckpointCancellation-tmp"
);
FSNamesystem fsn = cluster.GetNamesystem(0);
FSImageTestUtil.CreateAbortedLogWithMkdirs(tmpDir, NumDirsInLog, 3, fsn.GetFSDirectory
().GetLastInodeId() + 1);
string fname = NNStorage.GetInProgressEditsFileName(3);
new FilePath(tmpDir, fname).RenameTo(new FilePath(sharedDir, fname));
// Checkpoint as fast as we can, in a tight loop.
cluster.GetConfiguration(1).SetInt(DFSConfigKeys.DfsNamenodeCheckpointPeriodKey,
0);
cluster.RestartNameNode(1);
nn1 = cluster.GetNameNode(1);
cluster.TransitionToActive(0);
bool canceledOne = false;
for (int i = 0; i < 10 && !canceledOne; i++)
{
DoEdits(i * 10, i * 10 + 10);
cluster.TransitionToStandby(0);
cluster.TransitionToActive(1);
cluster.TransitionToStandby(1);
cluster.TransitionToActive(0);
canceledOne = StandbyCheckpointer.GetCanceledCount() > 0;
}
NUnit.Framework.Assert.IsTrue(canceledOne);
}
private CheckpointerThread(StandbyCheckpointer _enclosing)
: base("Standby State Checkpointer")
{
this._enclosing = _enclosing;
}
