They are often used as the base storage layer for more complex things. Cockroach... | Hacker News

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tyingq on Nov 10, 2018 | parent | context | favorite | on: Badger: A fast key-value store written purely in G...

They are often used as the base storage layer for more complex things.

CockroachDB has RocksDB at the bottom: https://www.cockroachlabs.com/docs/stable/architecture/stora...

Etcd uses a fork of BoltDB: https://github.com/etcd-io/bbolt

billsmithaustin on Nov 10, 2018 [–]

Indeed uses an LSM tree based key value store for its data about job postings: https://engineering.indeedblog.com/blog/2013/10/serving-over...

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