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:
Sep. 15, 2020
Filed:
Dec. 27, 2016
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Assaf Natanzon, Tel Aviv, IL;
Amit Lieberman, Raanana, IL;
Ron Bigman, Holon, IL;
Jehuda Shemer, Kfar Saba, IL;
Leehod Baruch, Rishon Leziyon, IL;
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
A storage system comprises an object store, which comprises a plurality of metadata objects, a plurality of change objects, and a plurality of data objects associated with data stored in at least one logical unit of a production site, and a replication site configured to generate a requested point in time (PIT) based at least in part on the plurality of data objects, by: dividing the plurality of metadata objects into a plurality of respective portions of metadata objects; mapping each respective portion of metadata objects to a respective one of a plurality of reducer nodes; performing map reduce operations on the respective portion of metadata objects, at each respective one of the plurality of reducer nodes, to apply the most recent list of changes that occurred to each offset before the first requested PIT; and merging together the list of changes from each reducer node into the requested PIT.