What is RocksDB?

RocksDB is a piece of software that was embedded in CockroachDB to store key-value data. CockroachDB used RocksDB to communicate with the disk in order to actually store data. CockroachDB now uses Pebble, a RocksDB-inspired and compatible key-value store that is specifically designed for distributed SQL databases. Many other tech companies still use RocksDB.

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