Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2006-10-03
2006-10-03
Bataille, Pierre (Department: 2186)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C711S108000
Reexamination Certificate
active
07117203
ABSTRACT:
Content addressable data storage and compression for semi-persistent computer memory for a database management system including providing a data structure that associates data identifiers and retrieval keys for memory blocks for storing in semi-persistent memory data from the database management system; searching for a segment of a chunk of data from the database management system that matches a memory block from semi-persistent memory; and if a matching segment is found: discarding the matching segment; storing in the data structure in the database management system a retrieval key for the matching segment in association with a data identifier; identifying an unmatched portion of the chunk that does not match the memory block; storing the unmatched portion semi-persistently in a free memory block from a file system; and storing in the data structure in the database management system a retrieval key for the unmatched portion in association with the data identifier.
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Gilfix Michael
Liguori Anthony N.
Bataille Pierre
Biggers John
Biggers & Ohanian LLP
International Business Machines - Corporation
Rodriguez Herman
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