Efficient access of flash databases
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United States of America Patent
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Oct 11, 2011
Grant Date -
Oct 23, 2008
app pub date -
Apr 23, 2007
filing date -
Apr 23, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
Techniques for efficient access to flash databases are described. In one implementation, a method includes performing an operation on a flash database, supplementing at least one portion of a node translation table corresponding to at least one node involved in the operation, and semantically compressing at least one portion of the node translation table. The semantic compression includes discarding at least one log entry that is rendered obsolete by at least one subsequent log entry, and incrementing a version number of the log entries corresponding to the at least one portion of the node translation table. In further embodiments, discarding at least one log entry includes discarding at least one log entry that is at least one of opposed by or overruled by at least one subsequent log entry.
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