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18 resultsCI/CD Pipeline Design — From Commit to Production
Stages, gates, deployment strategies, and keeping pipelines fast.
Database Schema Migration Strategies
Expand-contract pattern, zero-downtime migrations, and tooling.
Choosing a vector database: pgvector vs Pinecone vs Weaviate
A practical comparison across dimensions that matter for production RAG systems.
Change Data Capture (CDC) — Debezium and Log-Based CDC
How CDC works, why it beats polling, and how to implement it with Debezium.
Apache Spark — Core Concepts and When to Use It
RDDs, DataFrames, Spark SQL, and the use cases where Spark is the right tool.
Load Testing with k6
Script a realistic load test, interpret results, and find bottlenecks before they find users.
Serverless Architecture — When Functions Work and When They Don't
Cold starts, event-driven patterns, cost model, and the right use cases.
Data Observability — Detecting Silent Pipeline Failures
Freshness, volume, distribution, schema, and lineage monitoring for data reliability.
Secrets Management for Data Platforms
HashiCorp Vault, AWS Secrets Manager, and patterns for rotating credentials safely.
PC Won't Turn On — Zero Power Diagnosis
Methodical troubleshooting when pressing the power button does nothing at all.
Schema Registry and Avro for Kafka Data Contracts
Why schema management matters for streaming pipelines and how to implement it.
Service Mesh — Istio and Linkerd for Microservices
mTLS, traffic management, observability, and the operational cost of a service mesh.
Migrating from MySQL to PostgreSQL
Schema translation, data migration, and common incompatibilities to address.
Using CHKDSK to Find and Fix Disk Errors
How to run Check Disk properly, interpret results, and know when to replace the drive.
Predictive maintenance for fleet management
Time-series models reduced unplanned downtime by 18% across a mixed heavy equipment fleet.
Designing and Publishing API Client SDKs
Auto-generation vs handwritten, retry logic, versioning, and developer experience.
Fix NTFS Errors and File System Corruption
Repair partition table and NTFS filesystem corruption using built-in and free tools.
Data Platform Cost Optimization Strategies
Reducing Snowflake, S3, Spark, and Kafka spend without sacrificing performance.