Page split detection and affinity in query processing pushdowns

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United States of America Patent

PATENT NO 11860829
SERIAL NO

17180508

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Abstract

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Methods for page split detection and affinity in query processing pushdowns are performed by systems and devices. Page servers perform pushdown operations based on specific, and specifically formatted or generated, information, instructions, and data provided thereto from a compute node. Page servers also determine that page splits have occurred during reading of data pages maintained by page servers during pushdown operations, and also during fulfillment of compute node data requests. To detect a data page has split, page servers utilize information from a compute node of an expected next data page which is compared to a next data page in the page server page index. A mismatch in the comparison by page servers indicates data page was split. Compute nodes and page servers store and maintain off-row data generated during data operations via page affinity considerations where the off-row data is stored at the same page server as the data.

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Patent Owner(s)

Patent OwnerAddress
MICROSOFT TECHNOLOGY LICENSING LLCONE MICROSOFT WAY REDMOND WA 98052

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Antonopoulos, Panagiotis Redmond, US 30 192
Freedman, Craig S Sammamish, US 10 85
Kodandaramaih, Raghavendra Thallam Redmond, US 10 36
Kodavalla, Hanumantha R Sammamish, US 19 817
Prakash, Naveen Sammamish, US 21 165
Radu, Adrian-Leonard Sammamish, US 7 7
Saenz, Alejandro Hernandez Kirkland, US 17 3
Schall, Daniel G Woodinville, US 5 1

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