Even within one popular sub-category of \u201dNoSQL\u201d solutions \u2013 key-value (KV) storage systems \u2013 no one existing system meets the needs of all applications. We question this poor state of affairs. In this paper, we make the case for a flexible key-value storage system (FlexKV) that can support both DRAM and disk-based storage, can act as an unreliable cache or a durable store, and operate consistently or inconsistently. The value of such a system goes beyond ease-of-use: While exploring these dimensions of durability, consistency, and availability, we find new choices for system designs, such as a cache-consistent memcached, that offer some applications a better balance of performance and cost than was previously available.<\/p>\n","protected":false},"excerpt":{"rendered":"
Even within one popular sub-category of \u201dNoSQL\u201d solutions \u2013 key-value (KV) storage systems \u2013 no one existing system meets the needs of all applications. We question this poor state of affairs. In this paper, we make the case for a flexible key-value storage system (FlexKV) that can support both DRAM and disk-based storage, can act […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":[{"type":"user_nicename","value":"amar","user_id":"30975"},{"type":"text","value":"David G. 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