Method for managing reuse of hard log space by mapping log data

Details Method for managing reuse of hard log space by mapping log data Method for managing reuse of hard log space by mapping log data

1986-06-30

1989-10-31

Williams, Jr., Archie E.

Boots, shoes, and leggings

364300, 36422281, 364267, 3642821, G06F 1500, G06F 1130

Patent

active

048781673

ABSTRACT:
A method for writing tagged (partitioned and classified) records from a first log stream to multiple recovery streams and discarding same from said first stream at the termination of the unit of recovery in a transaction-oriented system to permit first log stream reuse.

REFERENCES:
patent: 4498145 (1985-02-01), Baker et al.
patent: 4507751 (1985-03-01), Gawhick et al.
patent: 4648031 (1987-03-01), Jenner
Crus et al., "Incremental Data Base Image Copy", IBM TDB, vol. 25, No. 7B, Dec. 1982, pp. 3730-3732.
Jenner, "Log Scopes of Interest ", IBM TDB, vol. 25, No. 7A, Dec. 1982, pp. 3270-3273.
Kim et al., "Data Consistency and Exchange Among Nested Transactions in a Database", IBM TDB, vol. 27, No. 1B, June 1984, pp. 879-881.

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