geohernandez - Journey of a Data Engineer and Data Architect apprentice
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ABOUT
CONTACT ME
WORK WITH GEO
    Data Specialist
    Speaker Events
    Resume
English
    English
    Español
geohernandez - Journey of a Data Engineer and Data Architect apprentice
  • ABOUT
  • CONTACT ME
  • WORK WITH GEO
    • Data Specialist
    • Speaker Events
    • Resume
  • EnglishEnglish
    • EnglishEnglish
    • EspañolEspañol
Azure•Cassandra•Chronicles from the trenches

Configuring a Cassandra cluster on Azure – Part II

October 7, 2020 by geohernandez No Comments

This article is the second of the series about configuring a Cassandra Cluster in Azure. In the previous one we completed the installation of Cassandra in a new Virtual Machine (VM) in Azure, this VM will become our template for creating new nodes based on it.  In this article we will be covering the next sections:

  • Localize key files
  • Configuring our Cluster (cluster name, seed nodes)
  • Adding more configuration to Cassandra through yaml file
  • Configuring RPC (service, interface, and address)
  • Deleting data directory
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Azure•Cassandra•Chronicles from the trenches

Configuring a Cassandra cluster on Azure – Part I

October 6, 2020 by geohernandez No Comments

The Apache Cassandra Database is one of the most growing and so scalable NoSQL technology available in the market with an increasing number of companies around the world using it.  Every time that I start a new professional journey toward learning a new technology, It is so important to me count with the tools and a puppet project which give me the possibility to start practicing and including a realistic scenario where I would have the opportunity of consolidating any new knowledge acquired, hence having a Cassandra Cluster with many nodes is must, mainly because horizontal scaling is one of the main strengths of Cassandra. 

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Data Engineering•Python

Python for Data Engineering and other stories

September 20, 2020 by geohernandez No Comments

If you are involved in the IT world it is more than sure that you have heard about Python and how so great this programming language is, and I think the keyword is versatile, because effectively it is one of the main benefits than Python give us, and it is thinking in the widespread of it thus push me to start a new series of articles which together with my section “Chronicles from the trenches” I am going to share some stories, tips, tricks, complains and shout out about Python, always seen from the perspective of a Database Engineer that probably someday decide to transition toward Data Engineer role.

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Bash script•Chronicles from the trenches•DB optimization

How to load millions of rows into MySQL without agony

August 9, 2020 by geohernandez No Comments

This article is part of a series dedicated to showing some examples of Databases common problem and how to address it, this time the turn is for MySQL, a great RDBSM and extremely popular relational system. Here the link to the blog of my company TheWorkshop where I decided to contribute with this series of articles, I hope you enjoy it.

https://theworkshop.com/es/blog/how-to-load-millions-of-rows-into-mysql-without-agony/

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