MODIFIED QUERY EXECUTION PLANS IN HYBRID MEMORY SYSTEMS FOR IN-MEMORY DATABASES
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United States of America Patent
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Jan 25, 2018
app pub date -
Jul 19, 2016
filing date -
Jul 19, 2016
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Implementations of the present disclosure include methods, systems, and computer-readable storage mediums for receiving a query from an application, processing a query execution plan (QEP) of the query using a cache simulator to simulate queries to an in-memory database in a hybrid memory system, providing a miss-curve based on the QEP, the miss-curve relating miss-ratios to memory sizes, and determining relative sizes of a first type of memory and a second type of memory in the hybrid memory system at least partially based on the miss-curve.
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