Data Engineering
Jul 15, 20268 min read
Data Drift Detection in Production ML: Population Stability Index (PSI) & Monitoring
Catching covariate shift and concept drift before model accuracy degrades using PSI metrics and Evidently AI dashboards.
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24 live publications indexed
Data Engineering
Jul 14, 202610 min read
Building CDC Ingestion with Apache Debezium, Kafka, and StarRocks
Streaming PostgreSQL WAL changes into StarRocks real-time analytics engine with sub-second end-to-end latency.
Data Engineering
Jul 13, 202610 min read
Apache Iceberg vs Delta Lake: Comparing Table Formats for Cloud Data Lakes
Comparing hidden partitioning, ACID transactions, time-travel queries, and multi-engine interoperability across Snowflake and Spark.
Data Engineering
Jul 12, 20268 min read
Parquet File Format Deep Dive: Row Groups, Dictionary Encoding, and Snappy Compression
Why Parquet files achieve 80%+ compression ratios over CSV: inspecting columnar binary structure, footer metadata, and dictionary encoding.
Data Engineering
Jul 11, 20269 min read
Real-Time Stream Processing with Apache Flink & Kafka: Event Time vs Processing Time
Handling out-of-order event streams, tumbling vs sliding windows, and watermarking strategies for sub-second streaming analytics.
System Design
Jul 10, 202610 min read
Designing a Real-Time Collaborative Whiteboard canvas with WebSockets & Yjs
Conflict-free Replicated Data Types (CRDTs) powering low-latency multi-user canvas state synchronization.