Managing lock rankings
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United States of America Patent
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Mar 31, 2009
Grant Date -
N/A
app pub date -
Aug 17, 2006
filing date -
Aug 17, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
Methods of monitoring a computer system. The methods may comprise the steps of calculating a first checksum of a data location and receiving a request from an operation running on the computer system for a lock corresponding to the data location. The methods may also comprise the steps of calculating a second checksum of the data location, and generating an indication if the first checksum and the second checksum are not equivalent. Also, methods of detecting a lock ranking violation in a computer system. The methods may comprise the steps of receiving a request from an operation for a first lock associated with a first data storage location and reviewing a list of locks issued to the operation. The methods may also comprise the step of determining whether the operation possesses a lock ranked higher than the first lock.
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