Tags: Database

Avoid Complex Infrastructure When Building Simple Things

3 suggestions on how to stay simple and avoid complexity. “You don’t understand — as soon as I install consul, set up service discovery for my microservices, build my own containerized continuous integration pipeline to build my code from source using my custom language-specific Dockerfile and set...
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ScyllaDB Takes on Cassandra to Boost Efficiency, Reduce Latency

Henrik Johansson, senior developer at Eniro, gives a glowing review of the ScyllaDB database system for its part of a microservice-based pipeline used at the Swedish search and directory assistance company where he works. Eniro initially used Redis for what seemed like a simple task: relate a large...
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The Promise of Blockchain Is a World Without Middlemen

The blockchain is a revolution that builds on another technical revolution so old that only the more experienced among us remember it: the invention of the database. First created at IBM in 1970, the importance of these relational databases to our everyday lives today cannot be overstated....
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Postmortem of GitLab Database Outage of January 31

On January 31st 2017, we experienced a major service outage for one of our products, the online service GitLab.com. The outage was caused by an accidental removal of data from our primary database server. This incident caused the GitLab.com service to be unavailable for many hours. We also lost...
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Online Migrations at Scale

Engineering teams face a common challenge when building software: they eventually need to redesign the data models they use to support clean abstractions and more complex features. In production environments, this might mean migrating millions of active objects and refactoring thousands of lines of...
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CNCF RethinkDB
The Cloud Native Computing Foundation has purchased the source code to RethinkDB -- an open source, NoSQL, distributed document-oriented database -- relicensed the code, and contributed it to The Linux Foundation.

RethinkDB’s Realtime Cloud Database Lands at The Linux Foundation

The Cloud Native Computing Foundation today announced it has purchased the source code to RethinkDB, relicensed the code under Apache, and contributed it to The Linux Foundation.  RethinkDB is an open source, NoSQL, distributed document-oriented database that was previously licensed under the GNU...
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The First Steps to Analyzing Data in R

Analyzing the right data is crucial for an analytics project's success. Most of the times, data from transactional systems or other data sources such as surveys, social media, and sensors are not ready to be analyzed directly. Data has to mix and matched, massaged and preprocessed to transform it...
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A Complete Beginner's Guide To Blockchain

A blockchain is a distributed database, meaning that the storage devices for the database are not all connected to a common processor.  It maintains a growing list of ordered records, called blocks. Each block has a timestamp and a link to a previous block. Cryptography ensures that users can only...
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How to Set Up MariaDB SSL and Secure Connections from Clients

The number of hijacked database servers is growing every day. It is important that we secure communication between MariaDB server and client/webserver. MariaDB is a database server that offers drop-in replacement functionality for MySQL server. MariaDB is built by some of the original authors of...
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Simple Card-based Access Control

About the Application This project implements a very common access control device. The LTPS is equipped with Tibbit #08 (clock/data and Wiegand interface). It gets card codes from an external RFID card reader. The project lets you save user names and their ID codes into the database, as well as...
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