Optimizations for a background database consistency check
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United States of America Patent
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May 4, 2010
Grant Date -
Sep 11, 2008
app pub date -
Mar 6, 2007
filing date -
Mar 6, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Two features allow for increased performance in running database consistency checks. First, a database consistency check runs directly on a database, as opposed to running on a saved database snapshot. This saves memory since there is no need to save a database snapshot. To handle any pages modified since a start of the database consistency check, a supplemental check runs on modified pages. Any facts generated by either check run through an early aggregation that attempts to aggregate facts during the database consistency check.
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