Data quality SLOs for one dataset: consumers and consequences, five indicators with targets, observation log, error budget and burn-rate alerting

Data Quality SLOs: 5 Proven Indicators, Error Budgets and Burn-Rate Alerts on dbt and Airflow

Every data platform we take over has data quality checks. Hundreds of them, usually: not_null tests on every column, row-count assertions, a freshness dashboard nobody looks at, and a Slack channel where the failures scroll [...]

Model drift monitoring on ClickHouse: prediction log, label log, reference bins, daily aggregate states, signals, thresholds and routing

Model Drift Monitoring on ClickHouse: 4 Proven Signals, Thresholds Tied to Money

A model does not fail loudly. It keeps returning scores in the right range, the service stays green, and the business notices six weeks later that approval rates moved or fraud losses climbed. By then [...]

Feature store architecture on PostgreSQL, ClickHouse and Valkey: registry, two write paths, offline store, online store, prediction log and SLOs

Feature Store Architecture: 7 Proven Decisions on PostgreSQL and ClickHouse

A feature store architecture is three contracts, not a product. The first contract is that a feature has exactly one definition, one owner and one freshness promise. The second is that any training set can [...]

Oracle Exadata Cost Optimization: Migrating to an Open Source Data Infrastructure Stack Without Compromising Performance, Scalability, Availability, or Reliability

MinervaDB whitepaper on Oracle Exadata cost optimization: measure Exadata license spend, optimize in place, then migrate to PostgreSQL 18, ClickHouse 26.3 LTS, Kafka/Debezium and Valkey with code, diagrams, TCO model and a rollback-safe cutover plan.

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Redis 8.10 Performance and Reliability: What Actually Changed

Redis 8.10 performance and reliability: the short version Redis 8.10 performance and reliability: the three changes that alter how you size and operate a Redis fleet. The headline for Redis 8.10 performance is that this [...]

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Data Quality SLOs: 5 Proven Indicators, Error Budgets and Burn-Rate Alerts on dbt and Airflow

Model Drift Monitoring on ClickHouse: 4 Proven Signals, Thresholds Tied to Money

Feature Store Architecture: 7 Proven Decisions on PostgreSQL and ClickHouse

Oracle Exadata Cost Optimization: Migrating to an Open Source Data Infrastructure Stack Without Compromising Performance, Scalability, Availability, or Reliability

Redis 8.10 Performance and Reliability: What Actually Changed