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Gowtham Potureddi
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Apr 12, 2026
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AWS Lambda for ETL: Event-Driven Data Pipelines
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Sep 9
AWS Lambda for ETL: Event-Driven Data Pipelines
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68 min read
Redis for Data Engineers: Beyond Caching
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Sep 9
Redis for Data Engineers: Beyond Caching
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62 min read
MongoDB for Data Engineers: Aggregation Pipeline & $lookup
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Sep 9
MongoDB for Data Engineers: Aggregation Pipeline & $lookup
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54 min read
Cassandra & ScyllaDB: Wide-Column Data Modeling Done Right
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Sep 8
Cassandra & ScyllaDB: Wide-Column Data Modeling Done Right
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59 min read
DynamoDB for Data Engineers: Single-Table Design, Streams & S3 Export
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Sep 8
DynamoDB for Data Engineers: Single-Table Design, Streams & S3 Export
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57 min read
Sketches at Scale: Count-Min, t-digest & Approximate Quantiles
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Sep 8
Sketches at Scale: Count-Min, t-digest & Approximate Quantiles
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70 min read
Consistent Hashing: How Distributed Systems Partition Data
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Sep 7
Consistent Hashing: How Distributed Systems Partition Data
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63 min read
HyperLogLog: Count Billions of Uniques in Kilobytes
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Sep 7
HyperLogLog: Count Billions of Uniques in Kilobytes
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66 min read
Bloom Filters for Data Engineers: Cheap Membership Tests
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Sep 7
Bloom Filters for Data Engineers: Cheap Membership Tests
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55 min read
Retries, Timeouts & Circuit Breakers for Data Pipelines
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Sep 6
Retries, Timeouts & Circuit Breakers for Data Pipelines
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65 min read
Dead Letter Queues: Never Lose a Bad Record
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Sep 6
Dead Letter Queues: Never Lose a Bad Record
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60 min read
Handling Late & Out-of-Order Data
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Sep 6
Handling Late & Out-of-Order Data
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73 min read
Backfilling Data Without Breaking Production
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Sep 5
Backfilling Data Without Breaking Production
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72 min read
Idempotent Data Pipelines: Safe Retries Without Duplicates
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Sep 5
Idempotent Data Pipelines: Safe Retries Without Duplicates
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60 min read
How Query Optimizers Work: Statistics, Cardinality & Join Order
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Sep 5
How Query Optimizers Work: Statistics, Cardinality & Join Order
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63 min read
SQL Isolation Levels Explained: Dirty Reads to Serializable
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Sep 4
SQL Isolation Levels Explained: Dirty Reads to Serializable
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65 min read
Database Indexes Explained: B-Tree, Hash, GIN, BRIN & Bloom
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Sep 4
Database Indexes Explained: B-Tree, Hash, GIN, BRIN & Bloom
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61 min read
OLTP vs OLAP, Explained
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Sep 4
OLTP vs OLAP, Explained
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66 min read
How Databases Store Data: Pages, B-Trees & LSM Trees
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Sep 4
How Databases Store Data: Pages, B-Trees & LSM Trees
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59 min read
Bauplan: Git-Native, Function-as-a-Pipeline Lakehouse Compute in Python
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Sep 3
Bauplan: Git-Native, Function-as-a-Pipeline Lakehouse Compute in Python
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70 min read
S3 Express One Zone & Storage Tiering: Latency, Cost & When Single-AZ Wins
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Sep 3
S3 Express One Zone & Storage Tiering: Latency, Cost & When Single-AZ Wins
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72 min read
Daft: A Rust-Backed Distributed DataFrame for Multimodal & ML Data
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Sep 3
Daft: A Rust-Backed Distributed DataFrame for Multimodal & ML Data
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69 min read
Disaster Recovery for Data Platforms: RPO/RTO, Cross-Region Replication & Backups
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Sep 2
Disaster Recovery for Data Platforms: RPO/RTO, Cross-Region Replication & Backups
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73 min read
Networking for Data Engineers: VPCs, PrivateLink, Egress Costs & Cross-Cloud Transfer
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Sep 2
Networking for Data Engineers: VPCs, PrivateLink, Egress Costs & Cross-Cloud Transfer
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76 min read
Data Virtualization vs ETL: Denodo, Starburst Galaxy & When Not to Copy Data
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Sep 2
Data Virtualization vs ETL: Denodo, Starburst Galaxy & When Not to Copy Data
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76 min read
Seeding & Fixtures: Realistic Test Data for Warehouse Integration Tests
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Sep 1
Seeding & Fixtures: Realistic Test Data for Warehouse Integration Tests
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72 min read
Local Data Dev Environments: Dev Containers, Nix & Tilt for Reproducible Pipelines
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Sep 1
Local Data Dev Environments: Dev Containers, Nix & Tilt for Reproducible Pipelines
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70 min read
Synthetic Data Generation: Faker, SDV, Gretel & Mimesis for Safe Test Pipelines
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Sep 1
Synthetic Data Generation: Faker, SDV, Gretel & Mimesis for Safe Test Pipelines
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61 min read
Guardrails for AI-Written SQL: Sandboxing, Cost Caps, Row Limits & Approval Gates
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Sep 1
Guardrails for AI-Written SQL: Sandboxing, Cost Caps, Row Limits & Approval Gates
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69 min read
Agentic Data Pipelines: LLM Tool-Use for Ingestion, Cleaning & Reconciliation
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Aug 31
Agentic Data Pipelines: LLM Tool-Use for Ingestion, Cleaning & Reconciliation
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71 min read
Model Context Protocol (MCP) for Data Engineers: Exposing Warehouses & Tools to LLM Agents
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Aug 31
Model Context Protocol (MCP) for Data Engineers: Exposing Warehouses & Tools to LLM Agents
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69 min read
Choosing a Language for a Data Service: Python vs Go vs Rust vs Java Trade-Offs
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Aug 31
Choosing a Language for a Data Service: Python vs Go vs Rust vs Java Trade-Offs
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69 min read
Java for Data Engineering Beyond Spark: Kafka Clients, Beam & JVM Tuning
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Aug 31
Java for Data Engineering Beyond Spark: Kafka Clients, Beam & JVM Tuning
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70 min read
Go for Data Engineering: High-Throughput Ingestion Services, Concurrency & CLIs
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Aug 30
Go for Data Engineering: High-Throughput Ingestion Services, Concurrency & CLIs
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74 min read
Choosing a Transformation Framework: dbt vs SQLMesh vs Dataform vs Native Scripting
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Aug 30
Choosing a Transformation Framework: dbt vs SQLMesh vs Dataform vs Native Scripting
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67 min read
Dataform for BigQuery: Google-Native Transformation, Assertions & CI/CD
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Aug 30
Dataform for BigQuery: Google-Native Transformation, Assertions & CI/CD
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61 min read
SQLMesh vs dbt: Virtual Data Environments, Column-Level Lineage & Blue-Green Deploys
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Aug 30
SQLMesh vs dbt: Virtual Data Environments, Column-Level Lineage & Blue-Green Deploys
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69 min read
Apache Fluss: Streaming Storage Purpose-Built for Flink & the Real-Time Lakehouse
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Aug 29
Apache Fluss: Streaming Storage Purpose-Built for Flink & the Real-Time Lakehouse
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67 min read
Apache Gravitino: A Federated Metadata Lake Across Catalogs, Clouds & Engines
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Aug 29
Apache Gravitino: A Federated Metadata Lake Across Catalogs, Clouds & Engines
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66 min read
Confluent Tableflow & Kafka-to-Iceberg: Streaming Topics Straight Into the Lakehouse
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Aug 29
Confluent Tableflow & Kafka-to-Iceberg: Streaming Topics Straight Into the Lakehouse
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72 min read
AWS S3 Tables & S3 Metadata: Fully-Managed Iceberg on Object Storage
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Aug 29
AWS S3 Tables & S3 Metadata: Fully-Managed Iceberg on Object Storage
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71 min read
DuckLake: DuckDB's SQL-Native Lakehouse Format vs Iceberg & Delta
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Aug 29
DuckLake: DuckDB's SQL-Native Lakehouse Format vs Iceberg & Delta
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66 min read
Unstructured & Document Pipelines: PDFs, OCR & Text Extraction for the Warehouse
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Aug 29
Unstructured & Document Pipelines: PDFs, OCR & Text Extraction for the Warehouse
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65 min read
Semi-Structured Data at Scale: JSON/VARIANT, Nested & Repeated Fields Across Dialects
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Aug 27
Semi-Structured Data at Scale: JSON/VARIANT, Nested & Repeated Fields Across Dialects
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64 min read
Time-Zone & Temporal Data Engineering: UTC, DST, Bitemporal Tables & Calendar Dimensions
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Aug 27
Time-Zone & Temporal Data Engineering: UTC, DST, Bitemporal Tables & Calendar Dimensions
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70 min read
Geospatial Data Engineering: PostGIS, H3, GeoParquet & Apache Sedona
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Aug 27
Geospatial Data Engineering: PostGIS, H3, GeoParquet & Apache Sedona
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67 min read
Data Products in Practice: Output Ports, Versioning, SLAs & Discoverability
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Aug 27
Data Products in Practice: Output Ports, Versioning, SLAs & Discoverability
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71 min read
Low-Latency Serving Layers: Tinybird, Cube & ClickHouse APIs for Sub-Second Product Analytics
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Aug 26
Low-Latency Serving Layers: Tinybird, Cube & ClickHouse APIs for Sub-Second Product Analytics
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71 min read
Caching for Analytics: Redis, Dragonfly & Result-Set Caches in Front of the Warehouse
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Aug 26
Caching for Analytics: Redis, Dragonfly & Result-Set Caches in Front of the Warehouse
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75 min read
Data APIs Over the Warehouse: PostgREST, Hasura & GraphQL for Analytics Serving
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Aug 26
Data APIs Over the Warehouse: PostgREST, Hasura & GraphQL for Analytics Serving
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69 min read
Data Freshness & SLA Monitoring: Freshness Budgets, Heartbeats & Anomaly Alerts
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Aug 25
Data Freshness & SLA Monitoring: Freshness Budgets, Heartbeats & Anomaly Alerts
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63 min read
Column-Level Lineage Deep Dive: SQL Parsing, Impact Analysis & Blast-Radius Mapping
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Aug 25
Column-Level Lineage Deep Dive: SQL Parsing, Impact Analysis & Blast-Radius Mapping
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66 min read
OpenTelemetry for Data Pipelines: Traces, Metrics & Logs Across Airflow, Spark & dbt
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Aug 25
OpenTelemetry for Data Pipelines: Traces, Metrics & Logs Across Airflow, Spark & dbt
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69 min read
Amazon Athena & Federated Queries: Partition Projection, Iceberg & CTAS Cost Tuning
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Aug 24
Amazon Athena & Federated Queries: Partition Projection, Iceberg & CTAS Cost Tuning
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65 min read
AWS Glue Deep Dive: Crawlers, Job Bookmarks, DynamicFrames & Spark Tuning
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Aug 24
AWS Glue Deep Dive: Crawlers, Job Bookmarks, DynamicFrames & Spark Tuning
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56 min read
Amazon Redshift Deep Dive: RA3, Spectrum, WLM, Sort/Dist Keys & Concurrency Scaling
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Aug 24
Amazon Redshift Deep Dive: RA3, Spectrum, WLM, Sort/Dist Keys & Concurrency Scaling
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63 min read
Apache Hive Deep Dive for Data Engineers: Metastore, Partitions, ORC & Tez vs MapReduce
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Aug 23
Apache Hive Deep Dive for Data Engineers: Metastore, Partitions, ORC & Tez vs MapReduce
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56 min read
Data Retention, Archival & Tiered Lifecycle: Hot/Warm/Cold, Legal Hold & Cost
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Aug 23
Data Retention, Archival & Tiered Lifecycle: Hot/Warm/Cold, Legal Hold & Cost
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71 min read
Data Governance Operating Model: Owners, Stewards, Councils & Policy-as-Code
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Aug 23
Data Governance Operating Model: Owners, Stewards, Councils & Policy-as-Code
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51 min read
DAMA-DMBOK for Data Engineers: The Knowledge Areas That Actually Show Up in Interviews
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Aug 22
DAMA-DMBOK for Data Engineers: The Knowledge Areas That Actually Show Up in Interviews
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69 min read
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