public override void Run() { while (keepRunning) { OutputStream os = null; try { string filename = "/file-" + rand.NextLong(); os = localClient.Create(filename, false); os.Write(data, 0, rand.Next(data.Length)); IOUtils.CloseQuietly(os); os = null; localClient.Delete(filename, false); Sharpen.Thread.Sleep(50); // Sleep for a bit to avoid killing the system. ++filesCreated; } catch (IOException) { // Just ignore the exception and keep going. ++numFailures; } catch (Exception) { return; } finally { if (os != null) { IOUtils.CloseQuietly(os); } } } }
/// <summary> /// Test case that stops a writer after finalizing a block but /// before calling completeFile, recovers a file from another writer, /// starts writing from that writer, and then has the old lease holder /// call completeFile /// </summary> /// <exception cref="System.Exception"/> public virtual void TestCompleteOtherLeaseHoldersFile() { cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(5).Build(); try { cluster.WaitActive(); NamenodeProtocols preSpyNN = cluster.GetNameNodeRpc(); NamenodeProtocols spyNN = Org.Mockito.Mockito.Spy(preSpyNN); // Delay completeFile GenericTestUtils.DelayAnswer delayer = new GenericTestUtils.DelayAnswer(Log); Org.Mockito.Mockito.DoAnswer(delayer).When(spyNN).Complete(Matchers.AnyString(), Matchers.AnyString(), (ExtendedBlock)Matchers.AnyObject(), Matchers.AnyLong()); DFSClient client = new DFSClient(null, spyNN, conf, null); file1 = new Path("/testCompleteOtherLease"); OutputStream stm = client.Create("/testCompleteOtherLease", true); // write 1/2 block AppendTestUtil.Write(stm, 0, 4096); AtomicReference <Exception> err = new AtomicReference <Exception>(); Sharpen.Thread t = new _Thread_242(stm, err); t.Start(); Log.Info("Waiting for close to get to latch..."); delayer.WaitForCall(); // At this point, the block is finalized on the DNs, but the file // has not been completed in the NN. // Lose the leases Log.Info("Killing lease checker"); client.GetLeaseRenewer().InterruptAndJoin(); FileSystem fs1 = cluster.GetFileSystem(); FileSystem fs2 = AppendTestUtil.CreateHdfsWithDifferentUsername(fs1.GetConf()); Log.Info("Recovering file"); RecoverFile(fs2); Log.Info("Opening file for append from new fs"); FSDataOutputStream appenderStream = fs2.Append(file1); Log.Info("Writing some data from new appender"); AppendTestUtil.Write(appenderStream, 0, 4096); Log.Info("Telling old close to proceed."); delayer.Proceed(); Log.Info("Waiting for close to finish."); t.Join(); Log.Info("Close finished."); // We expect that close will get a "Lease mismatch" // error. Exception thrownByClose = err.Get(); NUnit.Framework.Assert.IsNotNull(thrownByClose); NUnit.Framework.Assert.IsTrue(thrownByClose is IOException); if (!thrownByClose.Message.Contains("Lease mismatch")) { throw thrownByClose; } // The appender should be able to close properly appenderStream.Close(); } finally { cluster.Shutdown(); } }
/// <exception cref="System.Exception"/> public virtual void TestDatanodePeersXceiver() { // Test DatanodeXceiver has correct peer-dataxceiver pairs for sending OOB message try { StartCluster(); // Create files in DFS. string testFile1 = "/" + GenericTestUtils.GetMethodName() + ".01.dat"; string testFile2 = "/" + GenericTestUtils.GetMethodName() + ".02.dat"; string testFile3 = "/" + GenericTestUtils.GetMethodName() + ".03.dat"; DFSClient client1 = new DFSClient(NameNode.GetAddress(conf), conf); DFSClient client2 = new DFSClient(NameNode.GetAddress(conf), conf); DFSClient client3 = new DFSClient(NameNode.GetAddress(conf), conf); DFSOutputStream s1 = (DFSOutputStream)client1.Create(testFile1, true); DFSOutputStream s2 = (DFSOutputStream)client2.Create(testFile2, true); DFSOutputStream s3 = (DFSOutputStream)client3.Create(testFile3, true); byte[] toWrite = new byte[1024 * 1024 * 8]; Random rb = new Random(1111); rb.NextBytes(toWrite); s1.Write(toWrite, 0, 1024 * 1024 * 8); s1.Flush(); s2.Write(toWrite, 0, 1024 * 1024 * 8); s2.Flush(); s3.Write(toWrite, 0, 1024 * 1024 * 8); s3.Flush(); NUnit.Framework.Assert.IsTrue(dn0.GetXferServer().GetNumPeersXceiver() == dn0.GetXferServer ().GetNumPeersXceiver()); s1.Close(); s2.Close(); s3.Close(); NUnit.Framework.Assert.IsTrue(dn0.GetXferServer().GetNumPeersXceiver() == dn0.GetXferServer ().GetNumPeersXceiver()); client1.Close(); client2.Close(); client3.Close(); } finally { ShutdownCluster(); } }
/// <exception cref="System.IO.IOException"/> /// <exception cref="Sharpen.URISyntaxException"/> private void OnCreate(ChannelHandlerContext ctx) { WriteContinueHeader(ctx); string nnId = @params.NamenodeId(); int bufferSize = @params.BufferSize(); short replication = @params.Replication(); long blockSize = @params.BlockSize(); FsPermission permission = @params.Permission(); EnumSet <CreateFlag> flags = @params.Overwrite() ? EnumSet.Of(CreateFlag.Create, CreateFlag .Overwrite) : EnumSet.Of(CreateFlag.Create); DFSClient dfsClient = NewDfsClient(nnId, confForCreate); OutputStream @out = dfsClient.CreateWrappedOutputStream(dfsClient.Create(path, permission , flags, replication, blockSize, null, bufferSize, null), null); DefaultHttpResponse resp = new DefaultHttpResponse(HttpVersion.Http11, HttpResponseStatus .Created); URI uri = new URI(HdfsConstants.HdfsUriScheme, nnId, path, null, null); resp.Headers().Set(HttpHeaders.Names.Location, uri.ToString()); resp.Headers().Set(HttpHeaders.Names.ContentLength, 0); ctx.Pipeline().Replace(this, typeof(HdfsWriter).Name, new HdfsWriter(dfsClient, @out , resp)); }
/// <exception cref="System.Exception"/> public virtual void TestCreate() { DFSClient dfsclient = new DFSClient(conf); dfsclient.Create(objInSnapshot.ToString(), true); }
/// <summary>Tests all FsEditLogOps that are converted to inotify events.</summary> /// <exception cref="System.IO.IOException"/> /// <exception cref="Sharpen.URISyntaxException"/> /// <exception cref="System.Exception"/> /// <exception cref="Org.Apache.Hadoop.Hdfs.Inotify.MissingEventsException"/> public virtual void TestBasic() { Configuration conf = new HdfsConfiguration(); conf.SetLong(DFSConfigKeys.DfsBlockSizeKey, BlockSize); conf.SetBoolean(DFSConfigKeys.DfsNamenodeAclsEnabledKey, true); // so that we can get an atime change conf.SetLong(DFSConfigKeys.DfsNamenodeAccesstimePrecisionKey, 1); MiniQJMHACluster.Builder builder = new MiniQJMHACluster.Builder(conf); builder.GetDfsBuilder().NumDataNodes(2); MiniQJMHACluster cluster = builder.Build(); try { cluster.GetDfsCluster().WaitActive(); cluster.GetDfsCluster().TransitionToActive(0); DFSClient client = new DFSClient(cluster.GetDfsCluster().GetNameNode(0).GetNameNodeAddress (), conf); FileSystem fs = cluster.GetDfsCluster().GetFileSystem(0); DFSTestUtil.CreateFile(fs, new Path("/file"), BlockSize, (short)1, 0L); DFSTestUtil.CreateFile(fs, new Path("/file3"), BlockSize, (short)1, 0L); DFSTestUtil.CreateFile(fs, new Path("/file5"), BlockSize, (short)1, 0L); DFSInotifyEventInputStream eis = client.GetInotifyEventStream(); client.Rename("/file", "/file4", null); // RenameOp -> RenameEvent client.Rename("/file4", "/file2"); // RenameOldOp -> RenameEvent // DeleteOp, AddOp -> UnlinkEvent, CreateEvent OutputStream os = client.Create("/file2", true, (short)2, BlockSize); os.Write(new byte[BlockSize]); os.Close(); // CloseOp -> CloseEvent // AddOp -> AppendEvent os = client.Append("/file2", BlockSize, EnumSet.Of(CreateFlag.Append), null, null ); os.Write(new byte[BlockSize]); os.Close(); // CloseOp -> CloseEvent Sharpen.Thread.Sleep(10); // so that the atime will get updated on the next line client.Open("/file2").Read(new byte[1]); // TimesOp -> MetadataUpdateEvent // SetReplicationOp -> MetadataUpdateEvent client.SetReplication("/file2", (short)1); // ConcatDeleteOp -> AppendEvent, UnlinkEvent, CloseEvent client.Concat("/file2", new string[] { "/file3" }); client.Delete("/file2", false); // DeleteOp -> UnlinkEvent client.Mkdirs("/dir", null, false); // MkdirOp -> CreateEvent // SetPermissionsOp -> MetadataUpdateEvent client.SetPermission("/dir", FsPermission.ValueOf("-rw-rw-rw-")); // SetOwnerOp -> MetadataUpdateEvent client.SetOwner("/dir", "username", "groupname"); client.CreateSymlink("/dir", "/dir2", false); // SymlinkOp -> CreateEvent client.SetXAttr("/file5", "user.field", Sharpen.Runtime.GetBytesForString("value" ), EnumSet.Of(XAttrSetFlag.Create)); // SetXAttrOp -> MetadataUpdateEvent // RemoveXAttrOp -> MetadataUpdateEvent client.RemoveXAttr("/file5", "user.field"); // SetAclOp -> MetadataUpdateEvent client.SetAcl("/file5", AclEntry.ParseAclSpec("user::rwx,user:foo:rw-,group::r--,other::---" , true)); client.RemoveAcl("/file5"); // SetAclOp -> MetadataUpdateEvent client.Rename("/file5", "/dir"); // RenameOldOp -> RenameEvent EventBatch batch = null; // RenameOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); long txid = batch.GetTxid(); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Rename); Event.RenameEvent re = (Event.RenameEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.AreEqual("/file4", re.GetDstPath()); NUnit.Framework.Assert.AreEqual("/file", re.GetSrcPath()); NUnit.Framework.Assert.IsTrue(re.GetTimestamp() > 0); long eventsBehind = eis.GetTxidsBehindEstimate(); // RenameOldOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Rename); Event.RenameEvent re2 = (Event.RenameEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(re2.GetDstPath().Equals("/file2")); NUnit.Framework.Assert.IsTrue(re2.GetSrcPath().Equals("/file4")); NUnit.Framework.Assert.IsTrue(re.GetTimestamp() > 0); // AddOp with overwrite batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Create); Event.CreateEvent ce = (Event.CreateEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(ce.GetiNodeType() == Event.CreateEvent.INodeType.File ); NUnit.Framework.Assert.IsTrue(ce.GetPath().Equals("/file2")); NUnit.Framework.Assert.IsTrue(ce.GetCtime() > 0); NUnit.Framework.Assert.IsTrue(ce.GetReplication() > 0); NUnit.Framework.Assert.IsTrue(ce.GetSymlinkTarget() == null); NUnit.Framework.Assert.IsTrue(ce.GetOverwrite()); NUnit.Framework.Assert.AreEqual(BlockSize, ce.GetDefaultBlockSize()); // CloseOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Close); Event.CloseEvent ce2 = (Event.CloseEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(ce2.GetPath().Equals("/file2")); NUnit.Framework.Assert.IsTrue(ce2.GetFileSize() > 0); NUnit.Framework.Assert.IsTrue(ce2.GetTimestamp() > 0); // AppendOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Append); Event.AppendEvent append2 = (Event.AppendEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.AreEqual("/file2", append2.GetPath()); NUnit.Framework.Assert.IsFalse(append2.ToNewBlock()); // CloseOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Close); NUnit.Framework.Assert.IsTrue(((Event.CloseEvent)batch.GetEvents()[0]).GetPath(). Equals("/file2")); // TimesOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Metadata); Event.MetadataUpdateEvent mue = (Event.MetadataUpdateEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(mue.GetPath().Equals("/file2")); NUnit.Framework.Assert.IsTrue(mue.GetMetadataType() == Event.MetadataUpdateEvent.MetadataType .Times); // SetReplicationOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Metadata); Event.MetadataUpdateEvent mue2 = (Event.MetadataUpdateEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(mue2.GetPath().Equals("/file2")); NUnit.Framework.Assert.IsTrue(mue2.GetMetadataType() == Event.MetadataUpdateEvent.MetadataType .Replication); NUnit.Framework.Assert.IsTrue(mue2.GetReplication() == 1); // ConcatDeleteOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(3, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Append); NUnit.Framework.Assert.IsTrue(((Event.AppendEvent)batch.GetEvents()[0]).GetPath() .Equals("/file2")); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[1].GetEventType() == Event.EventType .Unlink); Event.UnlinkEvent ue2 = (Event.UnlinkEvent)batch.GetEvents()[1]; NUnit.Framework.Assert.IsTrue(ue2.GetPath().Equals("/file3")); NUnit.Framework.Assert.IsTrue(ue2.GetTimestamp() > 0); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[2].GetEventType() == Event.EventType .Close); Event.CloseEvent ce3 = (Event.CloseEvent)batch.GetEvents()[2]; NUnit.Framework.Assert.IsTrue(ce3.GetPath().Equals("/file2")); NUnit.Framework.Assert.IsTrue(ce3.GetTimestamp() > 0); // DeleteOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Unlink); Event.UnlinkEvent ue = (Event.UnlinkEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(ue.GetPath().Equals("/file2")); NUnit.Framework.Assert.IsTrue(ue.GetTimestamp() > 0); // MkdirOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Create); Event.CreateEvent ce4 = (Event.CreateEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(ce4.GetiNodeType() == Event.CreateEvent.INodeType.Directory ); NUnit.Framework.Assert.IsTrue(ce4.GetPath().Equals("/dir")); NUnit.Framework.Assert.IsTrue(ce4.GetCtime() > 0); NUnit.Framework.Assert.IsTrue(ce4.GetReplication() == 0); NUnit.Framework.Assert.IsTrue(ce4.GetSymlinkTarget() == null); // SetPermissionsOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Metadata); Event.MetadataUpdateEvent mue3 = (Event.MetadataUpdateEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(mue3.GetPath().Equals("/dir")); NUnit.Framework.Assert.IsTrue(mue3.GetMetadataType() == Event.MetadataUpdateEvent.MetadataType .Perms); NUnit.Framework.Assert.IsTrue(mue3.GetPerms().ToString().Contains("rw-rw-rw-")); // SetOwnerOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Metadata); Event.MetadataUpdateEvent mue4 = (Event.MetadataUpdateEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(mue4.GetPath().Equals("/dir")); NUnit.Framework.Assert.IsTrue(mue4.GetMetadataType() == Event.MetadataUpdateEvent.MetadataType .Owner); NUnit.Framework.Assert.IsTrue(mue4.GetOwnerName().Equals("username")); NUnit.Framework.Assert.IsTrue(mue4.GetGroupName().Equals("groupname")); // SymlinkOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Create); Event.CreateEvent ce5 = (Event.CreateEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(ce5.GetiNodeType() == Event.CreateEvent.INodeType.Symlink ); NUnit.Framework.Assert.IsTrue(ce5.GetPath().Equals("/dir2")); NUnit.Framework.Assert.IsTrue(ce5.GetCtime() > 0); NUnit.Framework.Assert.IsTrue(ce5.GetReplication() == 0); NUnit.Framework.Assert.IsTrue(ce5.GetSymlinkTarget().Equals("/dir")); // SetXAttrOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Metadata); Event.MetadataUpdateEvent mue5 = (Event.MetadataUpdateEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(mue5.GetPath().Equals("/file5")); NUnit.Framework.Assert.IsTrue(mue5.GetMetadataType() == Event.MetadataUpdateEvent.MetadataType .Xattrs); NUnit.Framework.Assert.IsTrue(mue5.GetxAttrs().Count == 1); NUnit.Framework.Assert.IsTrue(mue5.GetxAttrs()[0].GetName().Contains("field")); NUnit.Framework.Assert.IsTrue(!mue5.IsxAttrsRemoved()); // RemoveXAttrOp batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Metadata); Event.MetadataUpdateEvent mue6 = (Event.MetadataUpdateEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(mue6.GetPath().Equals("/file5")); NUnit.Framework.Assert.IsTrue(mue6.GetMetadataType() == Event.MetadataUpdateEvent.MetadataType .Xattrs); NUnit.Framework.Assert.IsTrue(mue6.GetxAttrs().Count == 1); NUnit.Framework.Assert.IsTrue(mue6.GetxAttrs()[0].GetName().Contains("field")); NUnit.Framework.Assert.IsTrue(mue6.IsxAttrsRemoved()); // SetAclOp (1) batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Metadata); Event.MetadataUpdateEvent mue7 = (Event.MetadataUpdateEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(mue7.GetPath().Equals("/file5")); NUnit.Framework.Assert.IsTrue(mue7.GetMetadataType() == Event.MetadataUpdateEvent.MetadataType .Acls); NUnit.Framework.Assert.IsTrue(mue7.GetAcls().Contains(AclEntry.ParseAclEntry("user::rwx" , true))); // SetAclOp (2) batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Metadata); Event.MetadataUpdateEvent mue8 = (Event.MetadataUpdateEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(mue8.GetPath().Equals("/file5")); NUnit.Framework.Assert.IsTrue(mue8.GetMetadataType() == Event.MetadataUpdateEvent.MetadataType .Acls); NUnit.Framework.Assert.IsTrue(mue8.GetAcls() == null); // RenameOp (2) batch = WaitForNextEvents(eis); NUnit.Framework.Assert.AreEqual(1, batch.GetEvents().Length); txid = CheckTxid(batch, txid); NUnit.Framework.Assert.IsTrue(batch.GetEvents()[0].GetEventType() == Event.EventType .Rename); Event.RenameEvent re3 = (Event.RenameEvent)batch.GetEvents()[0]; NUnit.Framework.Assert.IsTrue(re3.GetDstPath().Equals("/dir/file5")); NUnit.Framework.Assert.IsTrue(re3.GetSrcPath().Equals("/file5")); NUnit.Framework.Assert.IsTrue(re.GetTimestamp() > 0); // Returns null when there are no further events NUnit.Framework.Assert.IsTrue(eis.Poll() == null); // make sure the estimate hasn't changed since the above assertion // tells us that we are fully caught up to the current namesystem state // and we should not have been behind at all when eventsBehind was set // either, since there were few enough events that they should have all // been read to the client during the first poll() call NUnit.Framework.Assert.IsTrue(eis.GetTxidsBehindEstimate() == eventsBehind); } finally { cluster.Shutdown(); } }
/// <exception cref="System.IO.IOException"/> private FSDataOutputStream CreateFsOut(DFSClient dfs, string path) { return(new FSDataOutputStream(dfs.Create(path, true), null)); }