All posts by Valeryia Vishevataya

Zero-Knowledge Proof: Verifying Blockchain Transactions with Less Risk

February 20, 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.

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.

Concourse FLY CLI Cheat Sheet

February 16, 2018 | 0 Comments | Valeryia Vishevataya
Explaining how to get started with the Fly CLI, this cheat sheet compiles helpful commands for managing Concourse teams, resources, jobs, and pipelines. The document also encapsulates a set of commands efficient when troubleshooting pipelines.

Blockchain for Insurance: From Preventing Fraud to Automating Claims

February 2, 2018 | 0 Comments | Valeryia Vishevataya
Download this 20-page to learn how blockchain can address the current pain points of the insurance domain.

2017 NoSQL Technical Comparison Report: Cassandra (DataStax), MongoDB, and Couchbase Server

October 26, 2017 | 0 Comments | Valeryia Vishevataya
Download this 52-page research paper that evaluates the architectures of the three popular NoSQL databases across 20+ comprehensive criteria.

Reference Architecture: Multi-Datacenter Cloud Foundry with Concourse and Vault

April 28, 2017 | 0 Comments | Valeryia Vishevataya
Featuring a reference architecture, this 11-page paper describes how to create and manage repeatable, secure Cloud Foundry deployment—distributed across multiple data centers—using open source Vault, Concourse CI, and BOSH.
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