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Hadoop Lessons: World wide big data job market
http://www.hadooplessons.info/2015/02/world-wide-big-data-job-market.html
World wide big data job market. In this weekend I did some research on big data jobs world wide.For this analysis I took big data job postings from most of the job portals for January 2015.I would like to share some of the insights I got on the same.This might help big data job seekers. Below are top 10 countries recruited in the world for Jan 2015. US tops this list holding 15 percentage of jobs.Australia (7 %) and Argentina (7%) take next places.and India (4%) is in ninth place. View my complete profile.
Hadoop Lessons: Word Count using Cascading
http://www.hadooplessons.info/2015/02/word-count-using-cascading.html
Word Count using Cascading. In this Post we learn how to write word count program using Cascading. And we run it in local mode on windows within Eclipse.Cascading is a platform for developing big data applications on Hadoop.It has got many benefits over other mapreduce based tools. Cascading has plumbing terminology (taps,pipes etc .) to develop applications. Assume we have input data in. C: data in data.txt. This is a Hadoop input file. Hadoop is a bigdata technology. 1 Define input details. Now We have...
Hadoop Lessons: Cascading for your next hadoop project
http://www.hadooplessons.info/2014/12/cascading-for-your-next-hadoop-project.html
Cascading for your next hadoop project. Is a platform for developing data applications on hadoop.It can process all types of data like structured ,unstructured and semi structured data. It can be used for most of the business analytics requirements.It is written in java on top of mapreduce.It also has different versions supporting python,ruby,clojure and scala. In this article , I would like share few benefits if you use cascading in your big data projects. 1 Need not think in terms of keys and values.
Hadoop Lessons: Word Count In Hive
http://www.hadooplessons.info/2014/12/in-this-post-i-am-going-to-discuss-how.html
Word Count In Hive. In this post I am going to discuss how to write word count program in Hive. Assume we have data in our table like below. This is a Hadoop Post. And Hadoop is a big data technology. And we want to generate word count like below. Now we will learn how to write program for the same. 1Convert sentence into words. The data we have is in sentences,first we have to convert that it into words applying space as delimiter.we have to use split function. Split (sentence ,' '). Word Count In Hive.
Hadoop Lessons: Parameter substitution in Pig
http://www.hadooplessons.info/2014/09/parameter-substitution-in-pig.html
Parameter substitution in Pig. Earlier I have discussed about writing reusable scripts using Apache Hive. Now we see how to achieve same functionality using Pig Latin. Pig Latin has an option called param. Using this we can write dynamic scripts . Assume ,we have a file called numbers with below data. If we want to list numbers equal to 12 ,then we write pig latin code like below. Numbers = load ‘/data/numbers’ as (number:int);. Filter numbers by number= 12;. And we write code from file using. Pig –...
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Hadoop Keywords: List of All Hadoop keywords
The development of ambari is being led by engineers from hortonworks, which include ambari in its hortonworks data platform. ambari seeks to integrate with existing open-source packaging and deployment technology available in most data centers, such as puppet and chef, yum, apt, and zypper. Chukwa is built on top of the Hadoop Distributed File System (HDFS) and Map/Reduce framework and inherits Hadoop’s scalability and robustness. Chukwa also includes a? Exible and powerful toolkit for displaying, monito...
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Hadoop Training Centre
Batch 1 - 11 April. Batch 2 - 12 April. Batch 3 - 12 April. Hadoop Training Centre Hadoop Training Centre.
Hadoop Lessons
Importing data from RDBMS to Hadoop using Apache Sqoop. In this article , We will learn how to import data from RDBMS to HDFS using Apache Sqoop. We will import data from Postgres to HDFS in this article. 1) Check postgres is running. We will use service command to check the status of Postgres . The command below checks the status of postgres. 2) List databases;. 3) List tables in a database. We can use dt command to display tables in current databases. 4) Check the data in the table. We need to specify ...
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Hadoop Magazine | hadoop, apache, Hadoop Distributed File System, YARN, MapReduce
ADOOP@FACEBOOK A CASE STUDY ON HOW FACEBOOK LEVERAGES HADOOP ISSUE BY SOFTWARE DEVELOPER’S JOURNAL. September 19,2014 / 0 Comments. HADOOP CONTENT LIST: Hadoop: on Azure, Facebook, Map Reduce Overview, as a. HADOOP COMPENDIUM: APACHE HADOOP ECOSYSTEM AND CASSANDRA. September 19,2014 / 0 Comments. Read about old and new solutions on 150 pages of the magazine. HADOOP Compendium CONTENT. APACHE HIVE AND APACHE PIG HADOOP STARTERKIT. September 19,2014 / 1 Comments. May 08,2014 / Blog. May 05,2014 / Blog.
Big Data Solutions
Big Data Strategy, Training and Delivery. Australiasian based consultancy delivering services ranging from Big Data Training, Strategy and Management Consulting, Design, Architecture, Review and Project Services. Information Management and Big Data Analytics. Providing solutions using Oracle, SQL Server, Teradata, Sybase, MySQL and more both on premise and cloud based architectures, including consulting services for development, query tuning and storage optimisation, data migration and systems integratio...
