Cryptocurrencies are booming in 2021, with a market cap moving from 750 to more than 3,000 billion dollars. Let’s face it, this is mainly due to speculation. A lot of people involved do not have a clue of what is ...
RegionServers are the processes that manage the storage and retrieval of data in Apache HBase, the non-relational column-oriented database in Apache Hadoop. It is through their daemons that any CRUD (for Create, Read, Update and Delete) query is performed. Together ...
Defining variables for your Ansible playbooks and roles can become challenging as your project grows. Browsing the Ansible documentation, the diversity of Ansible variables location is confusing, to say the least: command line values (for example, -u my_user, these are ...
A lot of people own cryptocurrencies today. But holding some tokens on an exchange does not mean interacting with the blockchain. The assets you trade are only numbers stored inside the exchange’s database. It’s because trading assets on-chain at high ...
Database architectures have experienced constant innovation, evolving with the appearence of new use cases, technical constraints, and requirements. From the three database structures we are comparing, the first one to appear was the Data Warehouses, introduced in the 80’s with ...
