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Citrix Systems Assigned Patent

Dynamic trim processing with disk caching
By Francis Pelletier on 2018.10.12

Citrix Systems, Inc., Fort Lauderdale, FL, has been assigned a patent (10,089,235) developed by Taylor, Alton, Gerrards Crossbuckinghamshire, Great Britany, for a "dynamic trim processing with disk caching."

The abstract of the patent published by the U.S. Patent and Trademark Office states: "Systems and methods for handling operation requests in a computing device. The methods comprise: queuing a first I/O operation and first TRIM operation in a first list of operations, analyzing the first TRIM operation for a plurality of block portions of a disk cache to determine a size thereof, estimating a first amount of time to complete the first TRIM operation, comparing the first amount of time to a first threshold value, selectively dividing the first TRIM operation into at least a second TRIM operation for first block portions contained in the plurality of block portions and at least a third TRIM operation for second block portions contained in the plurality of block portions, if the first amount of time is greater than the first threshold value, performing the first I/O operation followed by the second TRIM operation, and queuing the third TRIM operation in a second list of operations.

The patent application was filed on July 28, 2017 (15/663,255).

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