Handling out-of-order event streams, tumbling vs sliding windows, and watermarking strategies for sub-second streaming analytics.
Apache Flink uses Watermarks to track event time progress across distributed stream workers.
References & Further Reading:
Histogram-based decision trees vs depth-wise growth: why LightGBM trains 7x faster on 10M row datasets with equal AUC-ROC scores.
Alex RiversAutomating model lineage, hyperparameter logging, and staging-to-production promotion gates in CI/CD pipelines.
Alex RiversCatching covariate shift and concept drift before model accuracy degrades using PSI metrics and Evidently AI dashboards.
Core Data Platform Lead. Apache Spark contributor with expertise in Databricks and modern cloud warehouses.
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Alex Rivers