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Optimising Hive Queries with Tez Query Engine


Hive provides us the option of executing SQL queries with a few different query engines. It ships with the native MapReduce engine. But we can switch that to Tez which has gained popularity since its launch, or we can also use Apache Spark as well. Read more... “Optimising Hive Queries with Tez Query Engine”

Understanding Apache Hive LLAP

apache hive

Apache Hive is a complex system when you look at it, but once you go looking for more info, it’s more interesting than complex. There are multiple query engines available for Hive, and then there’s LLAP on top of the query engines to make real-time, interactive queries more workable. Read more... “Understanding Apache Hive LLAP”

Querying Hive Tables From a Spring Boot App

In this post, we’ll see how we can query tables that reside in Hive using a Spring Boot application. As always, I’m going to use a Spring Boot web app with a few GET APIs to show how we can query data from Hive. Read more... “Querying Hive Tables From a Spring Boot App”

Getting Started With Apache Airflow


Apache Airflow is another awesome tool that I discovered just recently. Just a couple of months after discovering it, I can’t imagine not using it now. It’s reliable, configurable, and dynamic. Because it’s all driven by code, you can version control it too. Read more... “Getting Started With Apache Airflow”

Proof of Concepts (POCs)

I write a lot of POC projects, especially when I'm learning something new or I need to quickly test if a data pipeline works, or maybe I'm just testing a new integration. I make all these POCs public as Github repositories. I wanted to consolidate the list of POCs in an easy to search fashion. And that's why I have this page here. Below is a list of all the POCs that I've written so far. If a particular POC has an accompanying blog post which explains the code in the POC, I have linked that blog post as well in the list below. Let me know if any of these POCs have helped you in any way.

About Me

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