Invention Grant
- Patent Title: System and method for data recovery in a distributed data computing environment implementing active persistence
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Application No.: US15912816Application Date: 2018-03-06
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Publication No.: US10769019B2Publication Date: 2020-09-08
- Inventor: Harvey Raja , Gene Gleyzer
- Applicant: Oracle International Corporation
- Applicant Address: US CA Redwood Shores
- Assignee: ORACLE INTERNATIONAL CORPORATION
- Current Assignee: ORACLE INTERNATIONAL CORPORATION
- Current Assignee Address: US CA Redwood Shores
- Agency: Tucker Ellis LLP
- Main IPC: G06F11/00
- IPC: G06F11/00 ; G06F11/14 ; G06F11/20 ; G06F11/16

Abstract:
A system and method for automatic recovery of actively persisted data in a distributed data grid. A dynamic active recovery quorum function determines the number of cluster storage members that must be available before recovery starts. The use of the dynamic active recovery quorum allows time for a cluster to start and ensures that partitions can be recovered gracefully without overloading too few storage members. The dynamic active recovery quorum function automatically configures the recovery quorum based on a predefined algorithm and data collected about cluster membership during cluster operation prior to the catastrophic failure or shut down for planned maintenance.
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