What is an SSTable in Google's internal infrastructure?
Answer (1 of 7): My understanding is that this is an on-disk file format representing a map from string to string. The (key, value) pairs are sorted by key, and written sequentially. At the end of the file an index is written which stores each key and the offset of its value. This way, only the i...
SSTable and Log Structured Storage: LevelDB - igvita.com
By Ilya Grigorik on February 06, 2012 If Protocol Buffers is the lingua franca of individual data record at Google, then the Sorted String Table (SSTable) is one of the most popular outputs for storing, processing, and exchanging datasets. As the name itself implies, an SSTable is a simple abstraction to efficiently store large numbers of key-value pairs while optimizing for high throughput, seque
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