A Scalable Linearizable Multi-Index Table
2018
Concurrent data structures typically index data using a single primary key and provide fast atomic access to data associated with a given key value. However, it is often required to atomically access information via multiple primary and secondary keys, and even through additional properties that do not naturally represent keys for the given data. We present lock-free and lock-based algorithms of a table with multiple indexing, supporting linearizable inserts, deletes, and retrieve operations. We have implemented Java versions of our algorithms and evaluated their performance on a multi-core machine. The results show that the proposed table implementations are scalable and more efficient than any existing available alternative for in-memory realizations of a multi-index table.
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