Presented at ClickHouse Meetup in Madrid, April 2, 2019

1. 1027 predictive
models in 10 seconds

2. Who?
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3. The problem
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4. The easy part.
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5. The easy part. Weka

6. 250 million records? You can solve that
with a few indexes

7. When you’ve got a hammer...
copy sales ("id","time","country"...) from 'd:tmpdata.csv' DELIMITER ',' CSV HEADER;

8. We’ve got RAM, let’s put it to use
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9. clickwhat?
deb http://repo.yandex.ru/clickhouse/deb/stable/main/
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv E0C56BD4
sudo apt-get update
sudo apt-get install clickhouse-client clickhouse-server

10. Importing CSV data

11. 2:37.82s elapsed

12. You had my curiosity
Now you have my attention

13. What?

15. 0.328s
Out of the box
One node. No configuration

16. How many models?

17. Way too many. Let’s reduce it a bit

18. So, 1027 queries:

19. Good enough. We can work it out!
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It’s alive!

20. Thank you?

21. 1027*713 = 732.251 rows
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22. The full query

23. One million rows

24. The results:

25. The results:

26. Conclusions
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27. Thank you!