Post 52 | HDPCD | The conclusion

Hi everyone. Finally, we have reached the end of this tutorial series. It's been so long. We started this journey together on January 15th, 2017, and, 276 days later this beautiful journey is coming to an end. But, we do not need to worry, because, I am working on something new and would love to … Continue reading Post 52 | HDPCD | The conclusion

Post 51 | HDPCD | Set Hadoop or Hive Configuration property

Hello, everyone. Welcome to the last technical tutorial in the HDPCD certification series. It's funny! This beautiful journey is coming to an end. In the last tutorial, we saw how to sort the output of a Hive query across multiple reducers. In this tutorial, we are going to see how to set a Hadoop or Hive configuration … Continue reading Post 51 | HDPCD | Set Hadoop or Hive Configuration property

Post 50 | HDPCD | Order Hive query output across multiple reducers

Hello, everyone. Welcome to one more tutorial in the HDPCD certification series. In the last tutorial, we saw how to enable vectorization in Hive. In this tutorial, we are going to see how to run a subquery within a Hive query. Let us begin, then. The following infographics show the step-by-step process of performing this operation. From … Continue reading Post 50 | HDPCD | Order Hive query output across multiple reducers

Post 48 | HDPCD | Printing the execution plan of a Hive query

Hello, everyone. Welcome to one more tutorial in the HDPCD certification series. In the last tutorial, we saw how to enable vectorization in Hive. In this tutorial, we are going to see how to print the execution plan of a Hive query. Let us begin, then. This is one of the simplest tutorials in this certification series. In … Continue reading Post 48 | HDPCD | Printing the execution plan of a Hive query

Post 47 | HDPCD | Run a Hive query using Vectorization

Hello, everyone. Welcome to one more tutorial in the HDPCD certification series. In the last tutorial, we saw how to run a Hive Query using TeZ execution engine. In this tutorial, we are going to see how to run a Hive Query using Vectorization. Let us begin, then. Before starting off with the objective of this tutorial, let … Continue reading Post 47 | HDPCD | Run a Hive query using Vectorization

oozie 4.1.0 installation on Hadoop 2.6.0 on Ubuntu 14.04

  following are the steps in order to install OOZIE 4.1.0 on hadoop 2.6.0 installed on ubuntu 14.04 PREREQUISITES - Step 1 : Hadoop Installation You should install hadoop with the help of this link. Step 2 : Start Hadoop Cluster open terminal window command 1 : sudo su hduser command 2 : cd /usr/local/hadoop/sbin … Continue reading oozie 4.1.0 installation on Hadoop 2.6.0 on Ubuntu 14.04