static void Main(string[] args)
{
try
{
RunUsingStreamingUnit();
IHadoop hadoop = Hadoop.Connect(MyConstants.AzureCluster,
MyConstants.AzureUserName,
MyConstants.HadoopUserName,
MyConstants.AzurePassword,
MyConstants.AzureStorageAccount,
MyConstants.AzureStorageKey,
MyConstants.AzureStorageContainer,
false);
var result = hadoop.MapReduceJob.ExecuteJob <MovieLensJob>();
Console.WriteLine();
Console.WriteLine("Job Run Information");
Console.WriteLine();
Console.WriteLine("Job Id: {0}", result.Id);
Console.WriteLine("Exit Code: {0}", result.Info.ExitCode);
Console.WriteLine("Standard Out");
Console.WriteLine(result.Info.StandardOut);
Console.WriteLine();
Console.WriteLine("Standard Err");
Console.WriteLine(result.Info.StandardError);
Console.ReadLine();
}
catch (Exception ex)
{
Console.WriteLine(ex);
Console.ReadLine();
}
}
public void Run()
{
IHadoop hadoop = Hadoop.Connect();
hadoop.MapReduceJob.ExecuteJob <HelloWorldJob>();
Console.Read();
}
static void Main(string[] args)
{
//establish job configuration
var myConfig = new HadoopJobConfiguration {
InputPath = "/demo/simple/in", OutputFolder = "/demo/simple/out"
};
//connect to cluster
var myUri = new Uri("http://localhost");
const string userName = "******";
string passWord = null;
IHadoop myCluster = Hadoop.Connect(myUri, userName, passWord);
//execute mapreduce job
MapReduceResult jobResult = myCluster.MapReduceJob.Execute <MySimpleMapper, MySimpleReducer>(myConfig);
//write job result to console
int exitCode = jobResult.Info.ExitCode;
string exitStatus = exitCode == 0 ? "Success" : "Failure";
exitStatus = exitCode + " (" + exitStatus + ")";
Console.WriteLine();
Console.Write("Exit Code = " + exitStatus);
Console.Read();
}
//Run Custom Map Reduce
public static void DoCustomMapReduce()
{
Console.WriteLine("Starting MapReduce job. Remote login to your Name Node and check progress from JobTracker portal with the returned JobID...");
IHadoop hadoop = Hadoop.Connect(Constants.azureClusterUri, Constants.clusterUser,
Constants.hadoopUser, Constants.clusterPassword, Constants.storageAccount,
Constants.storageAccountKey, Constants.container, true);
//IHadoop hadoop = Hadoop.Connect();
var output = hadoop.MapReduceJob.ExecuteJob <SquareRootJob>();
}
public void Run()
{
Uri uri = new Uri(@"https://10.0.0.4");
//IHadoop hdp = Hadoop.Connect(uri,"cloudera","cloudera");
IHadoop hdp = Hadoop.Connect();
hdp.MapReduceJob.ExecuteJob <WCJobConf>();
Console.Read();
}
public static void DoCustomMapReduce()
{
Console.WriteLine("Starting MapReduce job...");
IHadoop hadoop = Hadoop.Connect(Constants.azureClusterUri, Constants.clusterUser, Constants.hadoopUser,
Constants.clusterPassword, Constants.storageAccount, Constants.storageAccountKey,
Constants.container, true);
var output = hadoop.MapReduceJob.ExecuteJob <RootJob>();
}
static void Main(string[] args)
{
/* To create these locations on your own drive, open the Hadoop
* console and then type in the following commands:
* hadoop fs -mkdir /user/OpenData
* hadoop fs -mkdir /user/OpenData/Police
* hadoop fs -copyFromLocal C:\Temp\Datasets\Police.csv /user/OpenData/Police/
* hadoop fs -mkdir /user/OpenData/Output
*/
HadoopJobConfiguration config = new HadoopJobConfiguration();
config.InputPath = "/user/OpenData/Police";
config.OutputFolder = "/user/OpenData/Output";
//Replace the URI with your local machine name.
//Note that password is ignored for the HDInsight emulator, so that can be whatever you want.
Uri clusterURI = new Uri("http://yourmachine");
string username = "******";
string password = null;
IHadoop cluster = Hadoop.Connect(clusterURI, username, password);
Console.WriteLine("Crime Counter. Select an option to continue:");
Console.WriteLine("1) Raw count by crime");
Console.WriteLine("2) Count by coordinates (4 spots after decimal)");
var input = Console.ReadLine();
MapReduceResult jobResult;
switch (input)
{
case "1":
jobResult = cluster.MapReduceJob.Execute <CrimeCount, TotalCrimeCount>(config);
break;
case "2":
//Quick note: if we just wanted to spit out all areas regardless of
//number of crimes, we could just use the TotalCrimeCount class
//and would not need to generate a new Reduce class.
jobResult = cluster.MapReduceJob.Execute <CrimeLocation, TopCrimeLocations>(config);
break;
default:
return;
}
int exitcode = jobResult.Info.ExitCode;
string exitstatus = exitcode == 0 ? "Success" : "Failure";
Console.WriteLine();
Console.WriteLine("Exit Code = " + exitstatus);
Console.Read();
}
public static void DoCustomMapReduce()
{
//The credentials entered below are dummy values. Please input valid credentials and submit jobs
Environment.SetEnvironmentVariable("HADOOP_HOME", @"C:\Syncfusion\BigData\3.2.0.20\BigDataSDK\\SDK\Hadoop");
Environment.SetEnvironmentVariable("JAVA_HOME", @"C:\Syncfusion\BigData\3.2.0.20\BigDataSDK\\Java\jdk1.7.0_51");
//Pass the cluster name
string clusterName = "https://{clustername}.azurehdinsight.net:";
Uri azureCluster = new Uri(clusterName);
string clusterUserName = "******"; // default - admin
string clusterPassword = "******";
//// This is the name of the account under which Hadoop will execute jobs.
//// Normally this is just "Hadoop".
string hadoopUserName = "******";
//// Azure Storage Information.
string azureStorageAccount = "{storagename}.blob.core.windows.net";
string azureStorageKey = "{storagekey}";
string azureStorageContainer = "{storagecontainer}";
//Console.WriteLine("Starting MapReduce job. Remote login to your Name Node and check progress from JobTracker portal with the returned JobID...");
IHadoop hadoop = Hadoop.Connect(azureCluster, clusterUserName,
hadoopUserName, clusterPassword, azureStorageAccount,
azureStorageKey, azureStorageContainer, true);
// Create or overwrite the "myblob" blob with contents from a local file.
var fileStream = File.ReadAllText(@"..//..//data/NASA_Access_Log");
hadoop.StorageSystem.WriteAllText(FindReplace._input1HDFS, fileStream);
Console.WriteLine("Input file uploaded.......\n\n");
Console.WriteLine("Find and Replace Operation.\n\nImplementation of Find and Replace operations in native MapReduce through C#");
Console.WriteLine("Execution begins......\n");
//connect to HDInsightcluster
MapReduceResult result = hadoop.MapReduceJob.ExecuteJob <FindReplace>();
Console.WriteLine();
Console.WriteLine("Job Run Information");
Console.WriteLine();
Console.WriteLine("Job Id: {0}", result.Id);
Console.WriteLine("Exit Code: {0}", result.Info.ExitCode);
Console.WriteLine("Standard Out");
Console.WriteLine(result.Info.StandardOut);
Console.WriteLine();
Console.WriteLine("Standard Err");
Console.WriteLine(result.Info.StandardError);
Console.ReadKey();
}
private static void DoMapReduce()
{
try
{
SetEnvironment();
UserInteraction();
var config = GetHadoopConfiguration();
IHadoop myCluster = null;
if (IsRemote)
{
if (!CreateConfigurationDirectory())
{
Console.WriteLine("Failed to create configuration directory");
}
else
{
if (IsSecured)
{
myCluster = ConnectToSecuredRemoteCluster();
}
else
{
myCluster = ConnectToRemoteCluster();
}
}
}
else
{
myCluster = ConnectToLocalPseudoCluster();
}
if (myCluster != null)
{
//execute mapreduce job
Console.WriteLine("\n\nExecution begins......\n");
//passing the Mapper and Reducer
var jobResult = myCluster.MapReduceJob.Execute <SimpleMapper, SimpleReducer>(config);
UpdateExecutionStatus(jobResult.Info.ExitCode);
}
UpdateExecutionStatus(1);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.Read();
}
}
public HDInsightRepository()
{
Environment.SetEnvironmentVariable("HADOOP_HOME", @"c:\hadoop");
Environment.SetEnvironmentVariable("Java_HOME", @"c:\hadoop\jvm");
hadoop = Hadoop.Connect(
new Uri("<clusterurl>"),
"<username>",
"<hadoopuser>",
"<pass>",
"<storageaccount>",
"<storagekey>",
"default",
true
);
}
static void Main(string[] args)
{
HadoopJobConfiguration myConfig = new HadoopJobConfiguration();
myConfig.InputPath = "/world/in/worldbank";
myConfig.OutputFolder = "/world/out";
Uri myUri = new Uri("http://*****:*****@"c:\hadoop");
Environment.SetEnvironmentVariable("Java_HOME", @"c:\hadoop\jvm");
IHadoop myCluster = Microsoft.Hadoop.MapReduce.Hadoop.Connect(myUri, userName, passWord);
MapReduceResult jobResult = myCluster.MapReduceJob.Execute <ExtractValuesForIndicatorsMapper, IndicatorsReducer>(myConfig);
HadoopJobConfiguration myConfig2 = new HadoopJobConfiguration();
myConfig2.InputPath = "/world/out";
myConfig2.OutputFolder = "/world/out2";
//MapReduceResult jobResult2 = myCluster.MapReduceJob.Execute<GroupValuesMapper, GroupValuesReducer>(myConfig2);
int exitCode = jobResult.Info.ExitCode;
string exitStatus = "Failure";
if (exitCode == 0)
{
exitStatus = "Success";
}
exitStatus = exitCode + " (" + exitStatus + ")";
Console.WriteLine();
Console.Write("Exit Code = " + exitStatus);
}
private static void Main(string[] args)
{
IHadoop hadoop = Hadoop.Connect(MyConstants.AzureCluster,
MyConstants.AzureUserName,
MyConstants.HadoopUserName,
MyConstants.AzurePassword,
MyConstants.AzureStorageAccount,
MyConstants.AzureStorageKey,
MyConstants.AzureStorageContainer,
false);
//var result = hadoop.MapReduceJob.ExecuteJob<AggregatePurchaseJob>();
//Console.WriteLine("Aggregate Purchase Job complete: {0}", result.Id);
var chainedResult = hadoop.MapReduceJob.ExecuteJob <NewUserPurchasesByContinentJob>();
Console.WriteLine("New User Purchases By Continent job complete: {0}", chainedResult.Id);
Console.ReadLine();
}
