Simon Willison’s Weblog

Items tagged scaling, keyvaluepairs, libketama, hashtable, linkedin

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Project Voldemort. Yet Another “big, distributed, persistent, fault-tolerant hash table”—this time from LinkedIn, released under the Apache 2.0 license. The approach to consistency is interesting—instead of using distributed transactions, they use versioning and “resolve inconsistencies at read time”. It also uses consistent hashing (as seen in libketama) to select servers. The design document has lots more information. # 17th January 2009, 7:45 pm