The scenario is about 1 billion records. Each record has 1kb data size and is store in SSD. Which kv store can provide best random read performance? It need to reduce disk access to only 1 time per query and all of the data index will be stored in memory.The scenario is about 1 billion records. Each r
阅读背景：
高性能持久密钥值存储，用于大量记录
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