Fast results with Elasticsearch

So, you have many documents and need fast querying? Elasticserch is a powerful search engine that helps you with that. During the talk I present a broad overview, some usage examples and how Onyo (the company I work for) uses it.

Transcript

2. 2 2
11. 11 Characteristics https://i.imgur.com/TXZJsnS.jpg
13. 13 https://connect.ebsco.com/servlet/rtaImage?eid=ka01H0000009P6R&feoid=00N1H00000GxReU&refid=0EM1H000000RMKh
14. 14 https://cdn.baymard.com/data-broker/graphic-7772-6d50e0f 76567f0de1394966f58e3b6f1.jpg http://mfikri.com/assets/images/files/Autocomplete%20Youtube.png
15. 15 https://tereshenkov.files.wordpress.com/2017/08/2017-08-05-16_14_49-photos.png
16. 16 https://www.elastic.co/blog/elasticsearch-as-a-time-series-data-store
17. 17 Basic Concepts Photo by Ben White on Unsplash
21. 21 https://www.elastic.co/guide/en/elasticsearch/g uide/current/inverted-index.html Term Doc 1 Doc 2 brown X X dog X X fox X X in X jump X X lazy X X over X X quick X X summer X the X X Analysis Tokenization + Normalization
22. 22 - -
23. 23 • Standard analyzer • Simple analyzer • Whitespace analyzer • Language analyzer
26. 26 Tip How does ES know in which shard is your document? Hashing x Math Function
27. 27 Getting Started https://thefourpercent.com/2014/01/07/the-hardest-part-getting-started/
35. 35 Tip Red: the shard is not allocated in the cluster. Yellow: primary shard is allocated but replicas are not. Green: all shards allocated.
37. 37 Tip If you don’t specify the id, the Elasticsearch server will assign one for the given document.
42. 42 Tip Be careful with updates. Elasticsearch takes advance on write-once-read-many architectures.
44. 44 https://wallhere.com/en/wallpaper/559465 Searching & Asking Questions
52. 52 Aggregations
56. 56 Important issues
58. 58 How do we use Elasticsearch at ?
62. 62 Online Companies Stats
63. 63 63