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Effective Datomic Imports

Avatar for Ryan Neufeld Ryan Neufeld
March 24, 2014
Programming
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Effective Datomic Imports

Avatar for Ryan Neufeld

Ryan Neufeld

March 24, 2014
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Transcript

  1. Effective Datomic Imports

  2. Ryan Neufeld @rkneufeld

  3. Ryan Neufeld @rkneufeld

  4. Effective Datomic Imports

  5. Staples Innovation Labs

  6. Big Reporting

  7. Trouble Out

  8. Trouble Out Trouble In

  9. Stop.

  10. Craig Time.

  11. 100

  12. (def real-tx d/transact) ! (with-redefs [d/transact (fn [conn tx-data] (println

    tx-data) @(real-tx conn tx-data))] ;; A bunch of business logic ) Gross Hacks

  13. Tip: Separate Tx Data from Txing

  14. Pipeline

  15. Pipeline Shape

  16. Real-life Transactor

  17. DynamoDB

  18. Did I use 500 write units… or six?

  19. Throttled

  20. Free & Clear

  21. Take-aways • Separate Tx from Tx’ing • Batch to 100

    datoms/tx • Pipeline txes asynchronously • Use realistic backend/ settings • Use CloudWatch to watch StorageBackoff and AlarmBackPressure (carefully!) • Capacity Planning Docs

  22. Staples is hiring! http:/ /careers.staples.com/sanmateo/ • Clojure Engineers • Data

    Scientists • Product Managers • Quality Assurance • DevOps Engineers • UI/UX Designer

  23. So is Cognitect! http:/ /cognitect.com/jobs • Datomic Support Engineer •

    Clojure Developers (Contract)

  24. Questions? Ryan Neufeld @rkneufeld rkn.io