Monthly Archives: August 2012

Top 10 Industry Programming Languages Analysis – Review

here are hundreds of programming languages in use today. How can you know which one to learn first? How do you know which ones are the best for your IT field of choice? Well, I can’t answer that question for … Continue reading

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Ubuntu 12.04 LTS Disadvantages…

Disadvantages: 1) If you are habituated to use ubuntu 11.10 with compiz ubuntu 12.04 will be your night mare for sure. It does not go well with compiz ubuntu 11.10 1) To get all the applications in all workspaces (super … Continue reading

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Web Application – Load Test for Millions of Users Hits – Simple Java Program

import java.io.BufferedReader; import java.net.URL; import java.net.URLConnection; import java.util.Random; import java.io.InputStreamReader; public class URLRequest { public int totalRequests=0; public void URLHit(int dataID) { try { // Send data URL url = new URL(“http://121.243.185.200:5050/hbase/search.do?search=r”+dataID); System.out.print(“URL : “+url +” ID “+dataID); URLConnection conn … Continue reading

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Create VMWare Bundle with all Packages – Hadoop,Hive,Mahout,Tomcat

1> Installation of VM-WARE Download latest 4.0 version, 32-bit or 64-bit VM-WARE Player shell script according to the system configuration. 2> Download link for VM-WARE Player http://www.vmware.com/go/downloadplayer 3> Run the shell script which will guide you through further process of … Continue reading

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Hive,Hadoop – JDBC Configurations & Settings

1.For Hive to work Hadoop should be installed first. 2.Download hive jar extract it. 3.In bin/hive file give HADOOP_HOME=/path_to_hadoop_folder. 4.in conf/hive-env.sh.template file give HADOOP_HOME_CONF=/path_to_hadoop_folder/conf. 5.Then create a /tmp and /user/hive/warehouse directory in hadoop interface by following command $ $HADOOP_HOME/bin/hadoop dfs … Continue reading

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Hbase – Installation,Configurations & Settings

1> Go through this link for installation — http://hbase.apache.org 2> Download link for hbase — http://mirrors.axint.net/apache/hbase/ 3> Extract the HBase from the package and place in required path, preferably in same where hadoop is placed 4> Configuring HBase with java … Continue reading

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Hadoop Multi Node – Configurations

1> Link for installation http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-multi-node-cluster/ 2> Prerequisites 1-Java 1.6 and higher version installed 2-Hadoop single node cluster 3> Setting up network Change /etc/hosts on both master and slave machine to ip of master ip of slave 4> SSH access Adding … Continue reading

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