WORKLOAD-AWARE PAGE MANAGEMENT FOR IN-MEMORY DATABASES IN HYBRID MAIN MEMORY SYSTEMS
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United States of America Patent
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Issued Date -
Jan 25, 2018
app pub date -
Jul 19, 2016
filing date -
Jul 19, 2016
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Abstract
Implementations of the present disclosure include receiving a sorted list of pages, each page corresponding to a fixed-length contiguous block of virtual memory, and being associated with a respective state, each state indicating a number of off-chip accesses determined for a respective page, and executing an application, which queries an in-memory database provided with a hybrid memory system, and, during execution of the application: identifying at least one page in the sorted list of pages as a page that is to-be-locked during execution of the application based on a threshold, and locking the at least one page in main memory to inhibit swapping of the at least one page by an operating system.
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