You ask, We answer!

Unbiased Answers to Your Toughest Enterprise Open Source Questions

Welcome to "You Ask, We Answer" - our transparent knowledge hub addressing the exact technical, financial, and operational challenges IT leaders face when scaling open source infrastructure. From Keycloak security and Solr tuning to total cost of ownership (TCO) benchmarks, get direct, unfiltered guidance from our senior open source architects.

The True Cost of Prometheus

You Ask, We Answer: What is the True Cost of Prometheus? Here at Sirius, we often get asked, "How much does Prometheus cost?". This is a very good question, and one that ... read more
Ranking 'Best in Class' for Distributed Search Engines

Who is the 'Best in Class' Distributed Search Engine for 2025? (A Strategic Analysis) ... read more
Review of Elasticsearch

Review of Elasticsearch: An Expert Analysis of Architecture, Commercial Tiers, and Future Viability ... read more
Elasticsearch Versus the World

Elasticsearch Versus the World: OpenSearch, ClickHouse, Pinecone, and Algolia—Which is Right for Your Data Stack? Here at Sirius Open Source, we often get asked, "Should we stick with Elasticsearch, or look at ... read more
Problems and Operational Weaknesses of Elasticsearch

What are the Major Architectural Problems and Operational Weaknesses of Elasticsearch? (The Deep Dive) ... read more
Cost of Elasticsearch

How Much Does Elasticsearch Cost? (A Deep Dive into Licensing, TCO, and Support) Here at Sirius Open Source, we often get asked, "How much does Elasticsearch cost?". This is a very good ... read more
Observability Platforms Best-in-Class - Datadog, Dynatrace, Grafana

You Ask, We Answer: Which Observability Platform is Truly Best-in-Class? Here at Sirius Open Source, we often get asked, "Who is the definitive Best-in-Class observability platform? Should we choose Datadog, Dynatrace, or ... read more
Comprehensive Review of Grafana

You Ask, We Answer: A Comprehensive Review of Grafana Here at Sirius Open Source, we often get asked, "What is the overall review of Grafana? Is it really the single-pane-of-glass solution it ... read more
How Grafana Compares Vs Datadog, Splunk, and Kibana

You Ask, We Answer: How Does Grafana Compare Against Datadog, Splunk, and Kibana? Here at Sirius Open Source, we often get asked, "How does Grafana truly compare in the ‘Observability’ market?" This ... read more
Grafana Problems

You Ask, We Answer: What are the Major Problems with Grafana? Here at Sirius Open Source, we often get asked, "What are the major problems and weaknesses associated with adopting and scaling ... read more
The True Cost of Grafana

You Ask, We Answer: What is the True Cost of Grafana? Here at Sirius Open Source, we often get asked, "What is the true cost of implementing and maintaining Grafana?" This is ... read more
Best-in-Class Database Systems

You Ask, We Answer: Best-in-Class Database Systems 2025 – Which Tool is Right for Your Workload? Here at Sirius, we often get asked, "Who is the best database system in the world ... read more