The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 30, 2020
Filed:
Oct. 30, 2018
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Vinícius Michel Gottin, Rio de Janeiro, BR;
Fábio André Machado Porto, Petropolis, BR;
Yania Molina Souto, Petropolis, BR;
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
A dataflow execution environment is provided with dynamic placement of cache operations and action execution ordering. An exemplary method comprises: obtaining a current cache placement plan for a dataflow comprised of multiple operations and a corresponding current cache gain estimate; selecting an action to execute from a plurality of remaining dataflow actions based on a predefined policy; executing one or more operations in a lineage of the selected action and estimating an error as a difference in an observed execution time and an estimated execution time given by a cost model; obtaining an alternative cache placement plan for the dataflow following the execution in conjunction with a predefined new plan determination criteria being satisfied and a corresponding alternative cache gain estimate; implementing the alternative cache placement plan in conjunction with a predefined new plan implementation criteria being satisfied; and selecting a next action to execute from a plurality of remaining actions in the dataflow based on a predefined policy.