Category Archives: Apache Products for Outsiders

Hadoop in a Hurry – Security

When talking about Hadoop security there are so many products and features. What do all of them do? This video gives a high over overview.

Posted in Apache Products for Outsiders, DBA2Hadoop | Tagged , , , , , , , , , | Leave a comment

Recovering your HDP 2.6.1 Sandbox on VirtualBox after a restart

If you’ve worked with the Hortonworks Data Platform 2.x sandbox of later versions in VirtualBox and made it shutdown rather vigorously, you might have noticed that you won’t get past this startup screen when you try to start it up … Continue reading

Posted in Apache Products for Outsiders, Howto, Learning Big Data | Tagged , , , , , , , , , | 2 Comments

Tutorial: Let’s throw some asteroids in Apache Hive

This is a tutorial on how to import data (with fixed lenght) in Apache Hive (in Hortonworks Data Platform 2.6.1). The idea is that any non-Hive, non-Hadoop savvy people can follow along, so let me know if I succeeded (make … Continue reading

Posted in Apache Products for Outsiders, Learning Big Data | Tagged , , , , , , , , | Leave a comment

Hadoop High Availability In A Hurry – Part 2: YARN

If you don’t know a lot about YARN and why it’s called a data operating system, you’re in luck. I found it necessary to explain how YARN works before I could explain the solutions for high availability. At first YARN … Continue reading

Posted in Apache Products for Outsiders, Learning Big Data | Tagged , , , , , , | 1 Comment

Hadoop High Availability In A Hurry – Part 1: HDFS

I’ve been studying for a couple of hours how Hadoop high availability works, for the HDPCA exam. And now I’ve condensed that knowledge to a video on HDFS HA in just under 9 minutes. Enjoy!

Posted in Apache Products for Outsiders, Learning Big Data | Tagged , , , , , , , , , , , | 1 Comment

Quickly start of the Nifi crash course

As I said last in my last blogpost, I have followed the Apache NiFi crash course that Hortonworks provides. Now the tutorial describes several different scenarios and options and you have to read through that to find which you want. … Continue reading

Posted in Apache Products for Outsiders | Tagged , , , , | 2 Comments

My first experiences with Apache NiFi

There are a lot of data-related Apache products out there and it’s hard to keep up with all of them. There are several products to stream or flow data (what’s the difference?). Like Kafka, Storm, Flink and NiFi. Yes, all … Continue reading

Posted in Apache Products for Outsiders | Tagged , , , , , , , , | 2 Comments