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US 2010/0161564 A1Published application
Cluster data management system and method for data recovery using parallel processing in cluster data management system
AssigneeElectronics and Telecommunications Research Institute
InventorsHun Soon Lee, Mi Young Lee
Life of this patent
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Abstract
Provided is a method for data recovery using parallel processing in a cluster data management system. The method includes arranging a redo log written by a failed partition server, dividing the arranged redo log by columns of the partition, and recovering data parallelly on the basis of the divided redo log and multiple processing unit.
Claims18
A method for data recovery using parallel processing in a cluster data management system, the method comprising:
- arranging a redo log written by a failed partition server;
- dividing the arranged redo log by columns of the partition;
- and
- recovering data on the basis of the divided redo log.
1 more element
A cluster data management system restoring data by parallel processing, the cluster data management system comprising:
- a partition server managing a service for at least one or more partitions and writing a redo log according to a service of the partition;
- and
- a master server dividing the redo log by columns of the partition in the event of a failure of partition server, and selecting the partition server for restoring the partition on the basis of the divided redo log.
Dependencies are inferred from the claim text.