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A la recherche d'ElasticSearch

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Introduction à ElasticSearch et les possibilités offertes par l'outil.
Retours d'expériences, recommandations et demonstration des outils gravitant autour : Kibana, Rivers, Logstash...

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A la recherche d'ElasticSearch

  1. 1. A la recherche d’ElasticSearch 25 Juin 2015 – GauthierWallet (@Ninnir)
  2. 2. Qu’est-ce qu’une recherche ? • Filtrer des informations • Retourner un ensemble pertinent
  3. 3. ElasticSearch «You know, for Search » • Engin de recherche et d’analyse • Créé en 2004 par Shay Banon • Architecture RESTful • Système distribué • Open Source (license Apache) • Base sur Apache Lucene
  4. 4. Les données • Orientées « Documents » • Pas de mapping prédéfini • Représentées via JSON • Stockées dans des index… • … en fonction de types • Identifiés par des IDs
  5. 5. Pour comparer à du SQL… • Database = Index • Table =Type • Row = Document
  6. 6. Ajout, édition, suppression, récupération… • Supporte le POST / PUT / DELETE / GET • BulkAPI • Versionning • Mise à jour partielle
  7. 7. Recherche type • Via HTTP : http://127.0.0.1:9200/:index/:type/[:action/id] • Total Hits • _index du document • _id du document • _type du document • _source : contenu du document
  8. 8. Trouver des données par… • Ids • Term /Terms • Range • QueryString • Geo-spatial • Regex • Boolean • …
  9. 9. … en utilisant… • Queries • Highlighting • Facets • Scrolling • Filters
  10. 10. Recommandations pratiques • Java 8 • Prévoir de la RAM • + de data ? + de shards ! • Pas besoin de commit / flush • Configurer ElasticSearch / !
  11. 11. Et la sécurité ? Et les logs ? • Shield : Gérer la sécurité de votre stack ELK (cryptage, contrôles d’accès, etc.) • Logstash : Outil de transport, de collecte et d’amélioration de vos données • Watcher : outil de gestion des alertes et notifications • Kibana : Outil de visualisation des données via dashboarding (Open-Source) • Marvel : Kibana évolué et payant • Beats : Collecteur de données de logs, métriques d’infrastructure
  12. 12. Aller plus loin… • AWS : https://github.com/elastic/elasticsearch-cloud-aws • Head : https://github.com/mobz/elasticsearch-head • Import/Export : https://github.com/jprante/elasticsearch-knapsack • … et bien d’autres !
  13. 13. …, toujours plus loin ! • @Kimchy (Shay Banon) : https://twitter.com/kimchy • @dadoonet (David Pilato) : https://twitter.com/dadoonet • … et bien d’autres !
  14. 14. Démo
  15. 15. A vous de jouer !

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