March 2025
Intermediate to advanced
286 pages
8h 51m
Portuguese (Portugal, Brazil)
Content preview from Arquitetura prática da Lakehouse
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Capítulo 3. Armazenamento: O coração da casa do lago
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A camada de armazenamento é o coração de qualquer plataforma de dados. Nas plataformas baseadas na arquitetura lakehouse, desempenha um papel importante na persistência eficiente de todos os tipos de dados e na melhoria do desempenho das consultas. A camada de armazenamento da lakehouse consiste em armazenamento em Cloud, formatos de ficheiro e formatos de tabela. Neste capítulo, vamos nos concentrar em entender esses conceitos e as tecnologias disponíveis para implementar a camada de armazenamento lakehouse.
Explicarei os conceitos fundamentais relacionados com o armazenamento em lago, a diferença entre armazenamentos em linha e em coluna e como o armazenamento está intimamente associado ao desempenho. Em seguida, vamos aprofundar os formatos de ficheiro utilizados para armazenar dados para casos de utilização de análise, as vantagens de utilizar cada formato e as principais caraterísticas que deves considerar ao criar uma plataforma de dados.
Quando compreenderes estes conceitos, será mais fácil discutir o tópico principal deste capítulo - os formatos de tabela aberta. Discutiremos os principais formatos de tabela, suas caraterísticas e benefícios, e as limitações específicas que deves ter em mente ao tomar qualquer decisão de design.
Na última secção deste capítulo, abordarei as principais considerações ...
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