By John Kaunitz, Louis van Ekert
Communications of the ACM,
July 1984,
Vol. 27 No. 7, Pages 678-683
10.1145/358105.358194
Comments
Total elapsed recovery time from disk-based database corruption can be shortened by reprocessing the audit trail off-line and thereby avoiding excessive resource utilization penalties. Using a bit map, the audit trail is compacted by eliminating irrelevant or superseded records. The compacted trail is then partitioned, and the partitions are processed in parallel.
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