All posts by Valeryia Vishevataya

A Comparative Analysis of Database Query Languages in MySQL, Couchbase Server, and MongoDB

September 27, 2019 | 0 Comments | Valeryia Vishevataya
This 51-page report explores the query performance of three database languages: MySQL, N1QL, and a MongoDB query.

Zero-Knowledge Proof: Verifying Blockchain Transactions with Less Risk

April 11, 2019 | 0 Comments | Valeryia Vishevataya
This 26-page report explores how a zero-knowledge proof/protocol (ZKP) works on the cryptographic level, as well as details how the technology can be used to provide better privacy for blockchain transactions.

Blockchain for Insurance: From Preventing Fraud to Automating Claims

April 10, 2019 | 0 Comments | Valeryia Vishevataya
Download this 20-page guide to learn how blockchain can address the current pain points of the insurance domain.

Essential Optimization Methods to Make Apache Spark Work Faster

This 12-page report explores the performance of Apache Spark and two of its modules—Spark Core and Spark SQL—before and after optimization.

Technical NoSQL Comparison Report 2019: Couchbase Server v6.0, DataStax Enterprise v6.7 (Cassandra), and MongoDB v4.0

This 61-page report evaluates and compares the performance of three popular NoSQL databases across 24 criteria.

NoSQL Performance Benchmark 2018: Couchbase Server v5.5, DataStax Enterprise v6 (Cassandra), and MongoDB v3.6

August 8, 2018 | 0 Comments | Valeryia Vishevataya
This 29-page report evaluates the performance of the three most popular NoSQL DBs under different cluster configurations and workloads—using the YCSB benchmarking tool.

DataStax Cassandra vs. Couchbase Server: Architectural Differences and Their Impact

August 8, 2018 | 0 Comments | Valeryia Vishevataya
This 61-page research paper provides a technical comparison between the two popular NoSQL databases: Cassandra 2.1.x (DataStax Enterprise) and Couchbase Server 3.x.

AI Basics and Machine Learning with Python

This cheat sheet overviews use cases of applying deep and machine learning to improve operations and automate processes in manufacturing, finance, healthcare, retail, advertising, and other industries.

Fabric Starter Cheat Sheet

Explaining how to use Fabric Starter, this cheat sheet features first-aid commands to enable both local and multi-server deployments on Docker.

Kubernetes kubectl CLI Cheat Sheet

February 27, 2018 | 0 Comments | Valeryia Vishevataya
This cheat sheet encloses first-aid commands to configure the CLI, manage a cluster, and gather information from it.