November 2018
Intermediate to advanced
652 pages
20h 56m
German
Content preview from Datenintensive Anwendungen designen
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KAPITEL 6
Partitionierung
Es liegt auf der Hand, dass wir uns vom Sequenziellen lösen müssen und Computer nicht einschränken dürfen. Wir müssen Definitionen festlegen sowie Prioritäten und Beschreibungen der Daten vorsehen. Wir müssen Beziehungen formulieren, nicht Prozeduren.
– Grace Murray Hopper, Management and the Computer of the Future (1962)
In Kapitel 5 ging es um Replikation – d.h. das Speichern mehrerer Kopien derselben Daten auf verschiedenen Knoten. Bei sehr großen Datenmengen oder einem sehr hohen Abfragedurchsatz genügt dies nicht: Wir müssen die Daten in Partitionen aufteilen, auch Sharding oder (horizontale) Fragmentierung genannt. ...
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