This curriculum spans the technical and operational complexity of a multi-workshop program focused on overhauling data infrastructure for AI readiness, comparable to an internal capability build within a large organisation modernising its data platform across ingestion, processing, governance, and real-time serving layers.
Module 1: Strategic Data Infrastructure Assessment
- Evaluate existing data pipeline latency and throughput against SLA requirements for downstream AI applications.
- Decide between on-premises, hybrid, or cloud-native data lake architectures based on data sovereignty and egress cost constraints.
- Select appropriate storage formats (e.g., Parquet vs. ORC vs. Avro) based on query patterns, compression needs, and schema evolution requirements.
- Assess network topology limitations when synchronizing petabyte-scale datasets across geographically distributed clusters.
- Determine optimal partitioning and bucketing strategies to minimize scan overhead in distributed query engines.
- Conduct cost-benefit analysis of adopting object storage versus distributed file systems for long-term archival.
- Implement metadata harvesting processes to support automated data cataloging and lineage tracking.
- Establish baseline performance metrics for data ingestion, transformation, and serving layers.
Module 2: Scalable Data Ingestion Architecture
- Configure Kafka topic retention and replication factors to balance durability with storage cost in high-volume streams.
- Design idempotent consumers to handle duplicate messages in event-driven data pipelines.
- Implement schema validation at ingestion using Schema Registry to enforce data quality upstream.
- Choose between batch micro-batching and true streaming ingestion based on latency and processing overhead trade-offs.
- Integrate change data capture (CDC) tools with transactional databases while minimizing source system performance impact.
- Deploy dead-letter queues and monitoring alerts for failed record handling in real-time ingestion flows.
- Optimize ingestion parallelism by tuning partition counts in message queues relative to consumer throughput.
- Apply data masking or tokenization during ingestion for PII fields to meet compliance requirements.
Module 3: Distributed Data Processing Optimization
- Tune Spark executor memory, cores, and dynamic allocation settings to maximize cluster utilization and minimize job duration.
- Repartition datasets before expensive joins to prevent data skew and executor out-of-memory failures.
- Implement predicate pushdown and column pruning in ETL jobs to reduce I/O in large scans.
- Choose between DataFrame, Dataset, and RDD APIs based on type safety, optimization, and debugging needs.
- Cache intermediate datasets selectively to avoid excessive memory pressure on shared clusters.
- Use broadcast joins for small dimension tables to eliminate shuffle overhead.
- Profile job stages using Spark UI to identify bottlenecks in serialization, garbage collection, or network transfer.
- Manage version compatibility across Spark, Hadoop, and cloud storage connectors in heterogeneous environments.
Module 4: Data Quality and Observability Engineering
- Define and automate schema conformance checks at multiple pipeline stages using Great Expectations or Deequ.
- Implement statistical anomaly detection on data distributions to flag silent data corruption.
- Design lineage tracking that maps raw source fields to final model features for auditability.
- Set up alerting thresholds for data freshness, volume drift, and null rate spikes in critical tables.
- Integrate data quality metrics into CI/CD pipelines for data models to prevent deployment of broken logic.
- Balance false positive rates in data validation rules against operational alert fatigue.
- Document data quality SLAs and ownership responsibilities for cross-functional accountability.
- Use synthetic data generation to test pipeline resilience under edge-case conditions.
Module 5: Feature Engineering at Scale
- Design feature stores with point-in-time correctness to prevent leakage during model training.
- Implement feature computation caching strategies to reduce redundant processing across models.
- Version control feature definitions and transformations using Git-integrated ML platforms.
- Optimize window function usage for time-based aggregations to avoid excessive state storage.
- Standardize feature encoding and scaling logic across batch and real-time serving paths.
- Manage feature staleness thresholds for low-latency inference requirements.
- Enforce access controls on sensitive features based on role-based permissions in the feature store.
- Monitor feature drift by comparing training-serving distribution statistics in production.
Module 6: Data Governance and Compliance Integration
- Implement column-level masking policies in query engines for regulated data fields.
- Configure audit logging for data access in cloud data warehouses to support forensic investigations.
- Map data classification tags to retention policies and encryption requirements across storage layers.
- Enforce data minimization by restricting ETL jobs to only necessary fields from source systems.
- Integrate data retention automation with legal hold workflows to prevent premature deletion.
- Validate GDPR right-to-be-forgotten requests across distributed datasets and backups.
- Document data processing activities for regulatory reporting under frameworks like CCPA or HIPAA.
- Coordinate encryption key rotation schedules across data stores and compute services.
Module 7: Cost-Efficient Resource Management
- Right-size cluster configurations using historical utilization data and autoscaling policies.
- Implement spot instance usage in non-critical data processing jobs with checkpointing for fault tolerance.
- Apply storage lifecycle policies to transition cold data from hot to archive tiers automatically.
- Monitor and optimize query costs in serverless SQL engines by controlling scanned data volume.
- Consolidate small files in data lakes to reduce metadata overhead and improve query performance.
- Negotiate reserved capacity or savings plans for predictable workloads in cloud environments.
- Track cost attribution by team, project, or workload using tagging and cost allocation tools.
- Evaluate total cost of ownership between managed services and self-hosted open-source alternatives.
Module 8: Real-Time Data Serving Patterns
- Design low-latency serving layers using materialized views in OLAP databases like Druid or ClickHouse.
- Implement dual-write patterns to synchronize results between data warehouses and real-time databases.
- Choose between push and pull architectures for feature delivery to online model endpoints.
- Optimize indexing strategies in vector databases for approximate nearest neighbor queries in AI applications.
- Validate consistency between batch and stream processing results using reconciliation jobs.
- Manage state TTL and cleanup in streaming applications to prevent unbounded storage growth.
- Secure real-time APIs with authentication, rate limiting, and payload validation.
- Monitor end-to-end serving latency and error rates across data-to-model inference paths.
Module 9: AI-Driven Data Pipeline Intelligence
- Apply anomaly detection models to operational metrics to predict pipeline failures before they occur.
- Use NLP techniques to auto-tag unstructured data based on content for improved discoverability.
- Implement reinforcement learning for dynamic query optimization in distributed engines.
- Train forecasting models to predict data volume and allocate resources proactively.
- Deploy embedding models to detect semantic duplicates across disparate data sources.
- Use clustering algorithms to group similar data quality issues for root cause analysis.
- Integrate LLM-based assistants for natural language querying of data catalogs and metadata.
- Monitor model performance decay due to upstream data pipeline changes using automated alerts.