Method and system for garbage collection

Details Method and system for garbage collection Method and system for garbage collection

2011-08-02

2011-08-02

Morrison, Jay A (Department: 2168)

Data processing: database and file management or data structures

Garbage collection

C707S814000, C707S816000, C707S818000, C707S820000

Reexamination Certificate

active

07991807

ABSTRACT:
A method and system for garbage collection are provided. A memory allocation request is received for an object. An object identifier is generated for the object. A first memory location is allocated to the object. A translation table is generated storing a map of the object identifier and the first memory location. A data structure is generated for the object. A mark flag is set based on the number of references of the object. Data stored in the first memory location is moved to a second memory location based upon the value of the mark flag. The data is deleted from the first memory location based upon a value of the mark flag.

REFERENCES:
patent: 6279148 (2001-08-01), Taivalsaari et al.
patent: 7424499 (2008-09-01), Lomet
patent: 2002/0103819 (2002-08-01), Duvillier et al.
patent: 2006/0155791 (2006-07-01), Tene et al.

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