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.

Date of Patent:
Oct. 13, 2020

Filed:

Jan. 23, 2019
Applicant:

Emc Ip Holding Company Llc, Hopkinton, MA (US);

Inventors:

Douglas Kilpatrick, Seattle, WA (US);

Alexander Bahm, Seattle, WA (US);

Antony Richards, Rose Bay, AU;

Assignee:

EMC IP HOLDING COMPANY LLC, Hopkinton, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/08 (2016.01); G06F 12/0891 (2016.01); G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0891 (2013.01); G06F 12/0238 (2013.01); G06F 2212/604 (2013.01);
Abstract

Node resets in a distributed environment can be disruptive due to the need to reset shared state. However, a central system can notify all other nodes asynchronously of a pending event, and then multiple nodes can use that notification to mitigate costs when it actually happens. For example, in anticipation of a first node leaving a group of nodes, a second node can reduce its cache to store the cache from the first node. Additionally, a client device can be directed to the second node so as not to interrupt a service provided to the client device by the first node.


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