First thread lock management for distributed data systems
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United States of America Patent
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-
Jan 10, 2012
Grant Date -
Jan 29, 2004
app pub date -
Jul 24, 2002
filing date -
Jul 24, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A distributed data system may include nodes hosting at least one multi-threaded process operable to access portions of distributed data. A lock mechanism may grant locks to multi-threaded processes for portions of the distributed data. Only a process holding a lock may access a portion corresponding to the lock. Threads of other processes may not access the portion. A process may include a first thread to request access to a distributed data portion that may acquire a lock for the distributed data portion on behalf of the process. In one embodiment, the lock mechanism may require only a thread that acquired a lock release the lock on behalf of a process. In embodiments, the first thread may release the lock in response to no more threads of the process require access to the distributed data portion and/or in response to a request to release the lock.
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