CLUSTER DATA MANAGEMENT SYSTEM AND METHOD FOR DATA RECOVERY USING PARALLEL PROCESSING IN CLUSTER DATA MANAGEMENT SYSTEM

摘要

PURPOSE: A cluster data management system and a method for data recovery using parallel processing thereof in a cluster data management system are provided to reduce the input/output of a disk in a reprocessing log access for data recovery by splitting a reprocessing log into rows of a partition. CONSTITUTION: A partition server(12-1 to 12-n) records a reprocessing log according to a service of a partition and is in the charge of a service for a partition. When an error happens in a partition server, a mater server(11) splits the reprocessing log into the rows of the partition and selects the partition server for reestablishing the partition based on the split reprocessing log. The mater server arranges the reprocessing log in an ascending order based on the reference information.