BloomStore: Bloom-Filter Based Memory-Efficient Key-Value Store for Indexing of Data Deduplication on Flash

Provided by: Institute of Electrical & Electronic Engineers
Topic: Storage
Format: PDF
Due to its better scalability, Key-Value (KV) store has superseded traditional relational databases for many applications, such as data deduplication, on-line multi-player gaming, and Internet services like Amazon and Facebook. The KV store efficiently supports two operations (key lookup and KV pair insertion) through an index structure that maps keys to their associated values. The KV store is also commonly used to implement the chunk index in data deduplication, where a chunk ID (SHA1 value computed based on the chunk's content) is a key and its associative chunk metadata (e.g., physical storage location, stream ID) is the value.

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