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26 resultsData Warehouse Modelling — Star Schema and Dimensional Design
Facts, dimensions, slowly changing dimensions, and why modelling choices matter for query performance.
Progressive Delivery — Feature Flags, Canary, and Dark Launching
Techniques for releasing software confidently at any scale.
PostgreSQL Performance Tuning Fundamentals
Indexing strategy, EXPLAIN ANALYZE, vacuum, and configuration settings that matter most.
Apache Iceberg — The Open Table Format Explained
Snapshots, schema evolution, partition evolution, time travel, and compaction.
SQL Query Optimisation — Indexes, Execution Plans, and N+1
Practical techniques for making slow queries fast.
Fix Slow Windows 10/11 Startup
Step-by-step methods to cut boot time from minutes to seconds.
Delta Lake — ACID Transactions for Your Data Lake
Transaction log, upserts, schema enforcement, and time travel on S3.
Trino (formerly PrestoSQL) — Federated SQL Across Data Sources
Architecture, connectors, query federation, and performance tuning.
Elasticsearch Indexing Strategy and Performance
Mapping, sharding, bulk indexing, and query optimization for Elasticsearch.
Fix Laptop Overheating and Thermal Throttling
Clean the vents, replace thermal paste, and tune fan curves to keep laptops running cool.
Fix 100% Disk Usage in Windows 10/11
Resolve the Task Manager showing disk at 100% and system feeling completely frozen.
Snowflake Best Practices for Cost and Performance
Virtual warehouses, clustering, query optimization, and controlling spend.
Time-Series Databases — InfluxDB vs TimescaleDB vs ClickHouse
Comparing purpose-built and general-purpose solutions for time-series data.
Change Data Capture (CDC) — Debezium and Log-Based CDC
How CDC works, why it beats polling, and how to implement it with Debezium.
DORA Metrics — Measuring Engineering Delivery Performance
Deployment frequency, lead time, MTTR, and change failure rate in practice.
Fixing CPU Overheating — Thermal Paste and Cooler Guide
How to diagnose thermal throttling, replace thermal paste, and improve CPU cooler performance.
Load Testing with k6
Script a realistic load test, interpret results, and find bottlenecks before they find users.
Database Connection Pooling — Why It Matters and How to Configure It
Pool sizing, connection lifetime, and debugging pool exhaustion.
Fix 100% CPU Usage in Windows
Identify what is consuming CPU and permanently resolve the issue.
Microservices Communication — Sync vs Async Patterns
REST, gRPC, message queues, and choosing the right pattern for each interaction.
Data Platform Cost Optimization Strategies
Reducing Snowflake, S3, Spark, and Kafka spend without sacrificing performance.
Materialised Views — When and How to Use Them
Incremental refresh, use cases, and implementation across Postgres, Snowflake, and dbt.
API Pagination — Cursor, Offset, and Keyset Patterns
When each method works, performance tradeoffs, and implementation details.
Feature Flags — Safe Deployment and Gradual Rollout
Types of flags, implementation patterns, and avoiding flag sprawl.
BigQuery Cost and Performance Optimization
Partitioned tables, clustered tables, slot usage, and avoiding full scans.
Speed Up a Slow Computer — Full Tune-Up Guide
Software and hardware steps to restore performance on an aging PC.