A busy portal needs to store login sessions and frequently requested lookups in memory, retrieved by a single key in under a millisecond. Which kind of data store fits?
Un portail très fréquenté doit conserver en mémoire les sessions de connexion et les recherches fréquentes, récupérées par une seule clé en moins d'une milliseconde. Quel type de stockage convient ?
Answers
AA data warehouse loaded once a night by an ETL jobUn entrepôt de données chargé une fois par nuit par un traitement ETL
BA graph databaseUne base orientée graphe
CA tape backup libraryUne bibliothèque de bandes de sauvegarde
DA key-value store such as RedisUn stockage clé-valeur comme Redis
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