Time limited lock ownership
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United States of America Patent
Stats
-
Mar 24, 2015
Grant Date -
May 2, 2013
app pub date -
Dec 20, 2012
filing date -
Dec 19, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Described herein are techniques for time limited lock ownership. In one embodiment, in response to receiving a request for a lock on a shared resource, the lock is granted and a lock lease period associated with the lock is established. Then, in response to determining that the lock lease period has expired, one or more lock lease expiration procedures are performed. In many cases, the time limited lock ownership may prevent system hanging, timely detect system deadlocks, and/or improve overall performance of the database.
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