HDP Developer: Java (Hadoop) Training in Finland

  • Learn via: Classroom / Virtual Classroom / Online
  • Duration: 4 Days
  • Price: Please contact for booking options
We can host this training at your preferred location. Contact us!

This course provides Java programmers a deep-dive into Hadoop application development. Students will learn how to design and develop efficient and effective MapReduce applications for Hadoop using the Hortonworks Data Platform, including how to implement combiners, partitioners, secondary sorts, custom input and output formats, joining large datasets, unit testing, and developing UDFs for Pig and Hive. Labs are run on a 7-node HDP 2.1 cluster running in a virtual machine that students can keep for use after the training.

There are no prerequisites for this course.

Experienced Java software engineers who need to develop Java MapReduce applications for Hadoop.

At the completion of the course students will be able to:

  • Describe Hadoop 2.X and the Hadoop Distributed File System
  • Describe the YARN framework
  • Develop and run a Java MapReduce application on YARN
  • Use combiners and in-map aggregation
  • Write a custom partitioner to avoid data skew on reducers
  • Perform a secondary sort
  • Recognize use cases for built-in input and output formats
  • Write a custom MapReduce input and output format
  • Optimize a MapReduce job
  • Configure MapReduce to optimize mappers and reducers
  • Develop a custom RawComparator class
  • Distribute files as LocalResources
  • Describe and perform join techniques in Hadoop
  • Perform unit tests using the UnitMR API
  • Describe the basic architecture of HBase
  • Write an HBase MapReduce application
  • List use cases for Pig and Hive
  • Write a simple Pig script to explore and transform big data
  • Write a Pig UDF (User-Defined Function) in Java
  • Write a Hive UDF in Java
  • Use JobControl class to create a MapReduce workflow
  • Use Oozie to define and schedule workflows


Contact us for more detail about our trainings and for all other enquiries!

Upcoming Trainings

Join our public courses in our Finland facilities. Private class trainings will be organized at the location of your preference, according to your schedule.

02 tammikuuta 2025 (4 Days)
Helsinki, Espoo
Classroom / Virtual Classroom
13 tammikuuta 2025 (4 Days)
Helsinki, Espoo
Classroom / Virtual Classroom
02 tammikuuta 2025 (4 Days)
Helsinki, Espoo
Classroom / Virtual Classroom
13 tammikuuta 2025 (4 Days)
Helsinki, Espoo
Classroom / Virtual Classroom
09 maaliskuuta 2025 (4 Days)
Helsinki, Espoo
Classroom / Virtual Classroom
09 maaliskuuta 2025 (4 Days)
Helsinki, Espoo
Classroom / Virtual Classroom
05 huhtikuuta 2025 (4 Days)
Helsinki, Espoo
Classroom / Virtual Classroom
20 huhtikuuta 2025 (4 Days)
Helsinki, Espoo
Classroom / Virtual Classroom
HDP Developer: Java (Hadoop) Training Course in Finland

Finland is a country located in northern Europe. Helsinki is the capital and largest city of the country. The majority of the people are Finns but there is also a small Lapp population in Lapland, where the country is famous for the Northern Lights. Finland's national languages are Finnish and Swedish.

Known for its vast forests, lakes, and natural beauty, Finland is one of the world's largest producers of forest products, such as paper, pulp, and lumber. One of the world's largest sea fortresses Suomenlinna, Rovaniemi with the "White Nights", dogsled safaris and of course the Northern Lights are what makes Finland so popular for tourists. Finland is one of the best places in the world to see the Northern Lights and attracts millions of tourists during its seasons.

Finland is home to a thriving technology industry and is widely recognized as one of the world's leading technology hubs. Companies such as Nokia and Rovio (creator of the popular game Angry Birds) are based in Finland. Some of the key factors that have contributed to Finland's success in technology include; strong investment in research and development, a highly educated workforce and fundings.

Finland has a strong educational system, and is widely regarded as one of the world's most literate countries. In fact, Finland's literacy rate is one of the highest in the world, and its students consistently perform well in international tests of math and reading ability.

Also, as a pioneer in environmental sustainability, Finland is known for its efforts to reduce its carbon footprint and promote clean energy. This Nordic country is also famous for its unique and distinctive cultural heritage, including its traditional folk music and its elaborate traditional costumes.

Helsinki, Finland's capital city, is the country's business center. Helsinki is Finland's largest city, and it is home to many of the country's major corporations and organizations, including many of the country's leading technology firms. The city is also a commercial, trade, and financial center, as well as one of the busiest ports in the Nordic region.

Take advantage of our diverse IT course offerings, spanning programming, software development, business skills, data science, cybersecurity, cloud computing and virtualization. Our knowledgeable instructors will provide you with practical training and industry insights, delivered directly to your chosen venue in Finland.
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