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ElasticSearch: things I wish I knew before

Avatar for Cauê Guerra Cauê Guerra
April 17, 2013
Technology
210
0

ElasticSearch: things I wish I knew before

Talk given in Toronto @ Django User Group

Avatar for Cauê Guerra

Cauê Guerra

April 17, 2013

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Transcript

  1. ElasticSearch Things I wish I had known before

  2. Self Lead Developer @ 500px ex-ThoughtWorker Brazilian @caueguerra

  3. Who doesn’t know what ElasticSearch is?

  4. Brief introduction

  5. Shards, replicas and nodes

  6. Impact on migrating to ElasticSearch @ 500px

  7. Deleted 4 cache tables ... and countless cron jobs

  8. Realtime updates on search-results

  9. What we learned

  10. Speeding up import process

  11. use aliases

  12. photos photos-2013-03-01

  13. photos photos-2013-03-01 photos-2013-04-17

  14. photos photos-2013-03-01 photos-2013-04-17

  15. photos photos-2013-03-01 photos-2013-04-17

  16. photos photos-2013-04-17

  17. Evenly distribute your shards across your nodes

  18. Be careful not to trigger unneeded reindexing (and avoid joins)

  19. try to search as narrow as possible

  20. return only the fields that will be needed

  21. avoid indexing fields with high cardinality

  22. what is the ideal setup?

  23. plugins

  24. https://github.com/polyfractal/elasticsearch-inquisitor

  25. https://github.com/karmi/elasticsearch-paramedic

  26. https://github.com/lukas-vlcek/bigdesk

  27. ... and many more

  28. Questions?