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:
Dec. 20, 2022
Filed:
Jun. 05, 2019
Microsoft Technology Licensing, Llc, Redmond, WA (US);
Bharath Kumarasubramanian, Sunnyvale, CA (US);
Jagadish Venkatraman, Sunnyvale, CA (US);
Jacob R. Maes, San Jose, CA (US);
Kartik Paramasivam, Sunnyvale, CA (US);
Prateek Maheshwari, Sunnyvale, CA (US);
Ray Manpreet Singh Matharu, Sunnyvale, CA (US);
Samarth Shetty, Campbell, CA (US);
Shanthoosh Pazhanjur Venkataraman, Mountain View, CA (US);
Yi Pan, San Jose, CA (US);
Microsoft Technology Licensing, LLC, Redmond, WA (US);
Abstract
The disclosed embodiments provide a system for managing a stream-processing application. During operation, the system allocates a first host for an active instance of the stream-processing application that maintains a state during processing of one or more input streams. Next, the system allocates a second host for a first backup instance that recreates the state on the active instance by consuming changes to the state replicated from the active instance without consuming the input stream(s). During a failure on the first host, the system moves the active instance to the first host by stopping the first backup instance on the second host. Finally, the system launches the active instance on the second host to resume processing of the input stream(s) by the active instance using the recreated state from the first backup instance.