Best Hadoop training in Hyderabad

In Hadoop the map reduce component which can be the framework for performing and calculations on the data in the structured  file systems..Hadoop Training in hyderabad
 Finally speaking in hadoop is open source framework for writing and we can running distributed number of the applications that can process larger amount of big data files . Distributed of the computing is wide of and varied fields, But this key distraction of the hadoop are like

a)      Accessible b)robust c) scalable d)simple

package online.map.reduce;
import java.io.IOException;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.Reducer;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.util.GenericOptionsParser;
public class MaxTemperature
{
        public static class MapForMaxTemperature extends Mapper<LongWritable,Text,Text,IntWritable>
        {
                        public void map(LongWritable k,Text v,Context con) throws IOException, InterruptedException
                        {
                                         String line=v.toString();
                                         String y= line.substring(5,9);
                                         int t = Integer.parseInt(line.substring(12,14));
                                         con.write(new Text(y),new IntWritable(t));
                        }
   
        }
        public static class ReduceForMaxTemperature extends Reducer<Text,IntWritable,Text,IntWritable>
        {
                        public void reduce(Text y,Iterable<IntWritable> tmps,Context con)
                        throws IOException, InterruptedException
                        {
                                         int m=0;
                                         for(IntWritable t:tmps)
                                         {
                                                          m=Math.max(m,t.get());
                                         }
                                         con.write(y,new IntWritable(m));
                        }
        }
       
        public static void main(String[] args) throws Exception
        {
                         Configuration c=new Configuration();
                         String[] files= new GenericOptionsParser(c,args).getRemainingArgs();
                         Path p1=new Path(files[0]);
                         Path p2=new Path(files[1]);
                         Job j = new Job(c,"myjob");
                         j.setJarByClass(MaxTemperature.class);
                         j.setMapperClass(MapForMaxTemperature.class);
                         j.setCombinerClass(ReduceForMaxTemperature.class);
                         j.setReducerClass(ReduceForMaxTemperature.class);
                         j.setOutputKeyClass(Text.class);
                         j.setOutputValueClass(IntWritable.class);                                          
                         FileInputFormat.addInputPath(j,p1);
                         FileOutputFormat.setOutputPath(j,p2);
                         System.exit(j.waitForCompletion(true) ? 0:1);
        }
}

The comparing of the sql databases and hadoop is
Hadoop is framework and for processing data what can we makes it better then standard of the relational databases of the workhouse of the data can processing in the most of today number of applications..The main resign is that sql ( structured query language ) is design target at the structured data.. 
"hadoop classroom training in hyderabad "Many of the hadoop initial applications can deal with the unstructured the data and such as the text format..from this prospective the bigdata hadoop provide lot of general paradigm and than structure query language ..For working only with the structured data and the compare can more nuaced,RStraining is one of the best training center for hadoop in Hyderabad…Here sessions will provide practically and cirtification oriented level..RStrainings is a best reviews for hadoop and other trainings courses..


Many countries using and  implementing the hadoop like in usa, UK, Singapore, Malaysia,

All companies taking corporate training and implementing the poc projects for future purpose..In technologies wise bigdata hadoop have best reviews in the world..This bigdata hadoop can be use like in many big organizations , eCommerce, hospitality, pharma, software , manufacturing , finance systems and etc..Hadoop is best future for technologies and organization for next genarations..Hadoop Training in hyderabad

1 comment:

Best Hadoop training in Hyderabad

In Hadoop the map reduce component which can be the framework for performing and calculations on the data in the structured  file systems....