BluePes Blog: Insights & Trends
Telco Power BI Model for CDR and KPI Dashboards
A reliable telco Power BI model needs clear fact-table grain, shared KPI definitions, controlled access rules, and performance design before dashboards multiply. CDRs should stay at event grain only where detail is required, while network KPIs should be pre-aggregated at time-and-location grain for operational reporting.
- Oct 10, 2025
- 16 min
Java microservices for telecom: stable under real load
Java 21 LTS gives the team a more capable foundation for concurrent workloads, while the stability wins come from the operating patterns the team applies on top. A telecom system stays stable when state transitions are explicit, retries cannot duplicate writes, dependencies fail in bounded ways, and the people on the NOC bridge can see exactly how far behind a queue runs.
- Oct 03, 2025
- 16 min
BI Data Governance: Definitions, Contracts, Lineage
Lightweight governance fixes this without a committee or a fifty-page policy. The minimum useful version is a small set of visible artifacts — one-screen KPI cards, named metric owners, a reliability block on the dashboard, contracts at the source boundary, and a short change path tied to lineage — that together stop drift before it reaches a decision-maker.
- Sep 26, 2025
- 16 min
Power BI vs Amazon Quick Suite: a 2026 platform decision
Power BI suits organizations whose data, identity, and productivity already sit inside Microsoft 365 and Azure, with teams that model in DAX and consume through Excel-based workflows. Amazon Quick Suite (rebranded from QuickSight on October 9, 2025) suits AWS-native stacks where dashboards reach large viewer populations or get embedded inside customer-facing applications. The cost shape is different too — per-user heavy for Power BI, viewer-economical for Quick Suite — and the gap compounds with team size.
- Sep 19, 2025
- 16 min
Operational BI for faster decisions: alerts and write-back
Operational BI closes that gap by connecting metrics to alerts, recorded actions, and controlled scenarios. The goal is to make the dashboard useful at the point where a business owner needs to decide, assign, approve, pause, adjust, or escalate. The system does not need to become a full workflow engine. It needs enough structure to show what happened, who acted, what data they saw, and whether the action changed the metric.
- Sep 10, 2025
- 16 min
BI dashboard performance: modeling patterns for speed
The fastest fix is rarely a bigger warehouse or a new reporting tool. Slow dashboards usually come from avoidable design choices: unclear fact table grain, wide transactional tables reused for analytics, expensive calculations running at click time, weak filter design, and joins that multiply rows before the report even renders.
- Sep 01, 2025
- 16 min
BI operating model for mid-market analytics teams
A BI operating model gives mid-market companies a practical way to run analytics work without turning every dashboard request into a ticket queue. It defines who owns KPI logic, who changes the semantic model, how dashboard releases are reviewed, and what reliability level business users can expect from each report.
- Aug 26, 2025
- 15 min
How to Optimize Amazon Redshift for Analytics Without Overprovisioning
A quarterly revenue dashboard takes four minutes to load. An analyst runs a join across two fact tables and the query sits in queue for six minutes before it starts executing. The BI lead’s response is usually the same: “Let’s add more nodes.” But the cluster already has spare capacity — the problem is how that capacity is being used.
- Aug 11, 2025
- 16 min
SQL vs NoSQL: when each one fits your data architecture
This article gives a working framework for the SQL vs NoSQL decision in mid-market and growth-stage environments. It covers what each category actually solves in 2026, where each one is the correct default, where each one quietly fails in production, and how to apply a few decision criteria that hold up across analytics, transactional, and operational systems.
- Jul 23, 2025
- 16 min