Importance

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Abstract

Methods and apparatus provide a lock resizer for resizing of a lock array of a lock-based concurrent hash table. The lock resizer provides a data structure with memory locations which is apportioned into buckets that contain a plurality of the memory locations. It is understood that the data structure can dynamically add new memory locations. The lock resizer further provides a location lock for each distinct memory location and a bucket lock for each distinct bucket. A resizing flag can reference a thread to indicate whether or not the thread is resizing the amount of locks. Upon detection of the existence of a policy condition, the lock resizer resizes the amount of location locks and/or bucket locks in order to create new location locks and new bucket locks, thereby ensuring that as new memory locations are added, all buckets can contain up to a fixed number of memory locations.

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First Claim