~/talk

How eMAG Accelerates Time To Insight & Leaves No Opportunities Uncovered With Dremio

Talkat Big Data LDN 2022 · 2022-09-21..09-22· [data-engineering]
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eMAG replaces heavy Qlik reports with Dremio as a SQL semantic layer, joining hundreds of on‑prem and cloud sources (Hadoop, S3, MySQL, SQL Server, Salesforce) into virtual datasets and materialised Reflections. The platform queries over one petabyte in Hadoop, supports ~150 daily users running 30,000 queries, cuts time‑to‑insight from months or weeks to hours, and saves roughly 100 man‑days/month by eliminating manual exports; teams deploy lightweight proofs of concept in a day and isolate heavy workloads while maintaining hybrid on‑prem/cloud flexibility.

AI-written summary · about

  1. 0:00Introduction and eMAG overview
  2. 2:35Legacy BI challenges at eMAG
  3. 5:53Team structure and bottlenecks
  4. 7:21The 4P overview problem
  5. 9:52Requirements for a new solution
  6. 12:00Testing query engines and choosing Dremio
  7. 14:28Current architecture with Dremio
  8. 15:55Example: Call center data integration
  9. 17:43Reflections and virtual datasets
  10. 18:51Transparent pipeline improvements
  11. 19:13Results: Self-service analytics
  12. 20:59Time to insight improvements
  13. 22:48Data analyst empowerment
  14. 23:30Key metrics and savings
  15. 24:33Reverse Conway maneuver impact
  16. 25:16Future plans and hybrid infrastructure
  17. 26:01Operational best practices
  18. 27:06Closing and Q&A
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