Titlebook: Main Memory Management on Relational Database Systems; Pedro Mejia Alvarez,Marcelo Leon Ayala,Susana Orte Book 2022 The Author(s), under e

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Book 2022mory system where all data can be kept in memory...The book provides one chapter for each of the main related topics, i.e. the memory system, memory management, virtual memory, and databases and their memory systems, and it is complemented by a short survey of six commercial systems: TimesTen, MySQL, VoltDB, Hekaton, HyPer/ScyPer, and SAP HANA. .

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Memory Management, disadvantages. The selection of the most appropriate technique for memory management depends on many factors, especially on the hardware design of the system. As we shall discuss, many techniques require hardware support, although recent designs have closely integrated the hardware and operating system.

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Virtual Memory,rating logical memory as viewed by the user from physical memory. It frees programmers from taking care of main memory limitations. Virtual memory also allows processes to share files and address spaces. Virtual memory is not easy to implement, however, and may substantially decrease performance if it is used carelessly.

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Databases and the Memory System,dy resides in memory and doesn’t have to be moved, application and query performance can be significantly improved. In this chapter, we will discuss database storage techniques used mainly in relational in-memory and file DBMSs.

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