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Tharun Vempati
Tharun Vempati · Oct 04, 2026
Spotlight Story

Data Engineering on GCP (Part 3): Choosing a Reliable Real-Time Ingestion Path

A practical guide to choosing between Pub/Sub BigQuery subscriptions, Dataflow, the BigQuery Storage Write API, and batch loads—without over-engineering the path.

Data Engineering on GCP (Part 3): Choosing a Reliable Real-Time Ingestion Path
Key Architecture Decisions & Takeaways
  • Direct BigQuery subscriptions vs Apache Beam worker pool tradeoffs
  • Decoupled ingestion with Transactional Outbox pattern & Dead-Letter Queues
  • Cost & latency benchmarks: Storage Write API vs legacy streaming sinks
Google Cloud · 8 min read

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Tharun Vempati

Written by Tharun Vempati

GCP Professional Cloud Architect · CKA · Red Hat EX280

Practitioner specializing in distributed backend systems, Kubernetes orchestration, and cloud infrastructure delivery. GCloud Cafe is an independent engineering journal documenting reproducible architectures, real lab experiments, and production lessons without corporate fluff or AI slop.

GCP PCA CNCF CKA Red Hat EX280 Read Author Bio →
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