Method and system for performing resource updates and recovering operational records within a fault-tolerant transaction-oriented data processing system
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United States of America Patent
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-
Nov 28, 2000
Grant Date -
N/A
app pub date -
Sep 1, 1994
filing date -
Sep 2, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fault-tolerant transaction processing system and method stores records associated with operations of the system in order to permit recovery in the event of a need to roll back a transaction or to restart the system. At least some of the operational records are stored as a recovery log in low-speed non-volatile storage and at least some are stored as a recovery list in high speed volatile storage. Rollback of an individual transaction is effected by reference to the recovery list whereas restart of the system is effected by reference to the recovery log.
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