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This document lists users of RocksDB and their use cases. If you are using RocksDB, please open a pull request and add yourself to the list.
At Facebook, we use RocksDB as storage engines in multiple data management services and a backend for many different stateful services, including:
- MyRocks -- https://github.com/MySQLOnRocksDB/mysql-5.6
- MongoRocks -- https://github.com/mongodb-partners/mongo-rocks
- ZippyDB -- Facebook's distributed key-value store with Paxos-style replication, built on top of RocksDB.[1] https://www.youtube.com/watch?v=DfiN7pG0D0khtt
- Laser -- Laser is a high query throughput, low (millisecond) latency, key-value storage service built on top of RocksDB.[1]
- Dragon -- a distributed graph query engine. https://code.facebook.com/posts/1737605303120405/dragon-a-distributed-graph-query-engine/
- Stylus -- a low-level stream processing framework writtenin C++.[1]
- LogDevice -- a distributed data store for logs [2]
[1] https://research.facebook.com/publications/realtime-data-processing-at-facebook/
[2] https://code.facebook.com/posts/357056558062811/logdevice-a-distributed-data-store-for-logs/
Two different use cases at Linkedin are using RocksDB as a storage engine:
- LinkedIn's follow feed for storing user's activities. Check out the blog post: https://engineering.linkedin.com/blog/2016/03/followfeed--linkedin-s-feed-made-faster-and-smarter
- Apache Samza, open source framework for stream processing
Learn more about those use cases in a Tech Talk by Ankit Gupta and Naveen Somasundaram: http://www.youtube.com/watch?v=plqVp_OnSzg
Yahoo
Yahoo is using RocksDB as a storage engine for their biggest distributed data store Sherpa. Learn more about it here: http://yahooeng.tumblr.com/post/120730204806/sherpa-scales-new-heights
Baidu
Apache Doris is a MPP analytical database engine released by Baidu. It uses RocksDB to manage its tablet's metadata.
CockroachDB
CockroachDB is an open-source geo-replicated transactional database. They are using RocksDB as their storage engine. Check out their github: https://github.com/cockroachdb/cockroach
DNANexus
DNANexus is using RocksDB to speed up processing of genomics data. You can learn more from this great blog post by Mike Lin: http://devblog.dnanexus.com/faster-bam-sorting-with-samtools-and-rocksdb/
Iron.io
Iron.io is using RocksDB as a storage engine for their distributed queueing system. Learn more from Tech Talk by Reed Allman: http://www.youtube.com/watch?v=HTjt6oj-RL4
Tango Me
Tango is using RocksDB as a graph storage to store all users' connection data and other social activity data.
Turn
Turn is using RocksDB as a storage layer for their key/value store, serving at peak 2.4MM QPS out of different datacenters. Check out our RocksDB Protobuf merge operator at: https://github.com/vladb38/rocksdb_protobuf
Santander UK/Cloudera Profession Services
Check out their blog post: http://blog.cloudera.com/blog/2015/08/inside-santanders-near-real-time-data-ingest-architecture/
Airbnb
Airbnb is using RocksDB as a storage engine for their personalized search service. You can learn more about it here: https://www.youtube.com/watch?v=ASQ6XMtogMs
Alluxio
Alluxio uses RocksDB to serve and scale file system metadata to beyond 1 Billion files. The detailed design and implementation is described in this engineering blog: https://www.alluxio.io/blog/scalable-metadata-service-in-alluxio-storing-billions-of-files/
Pinterest's Object Retrieval System uses RocksDB for storage: https://www.youtube.com/watch?v=MtFEVEs_2Vo
Smyte
Smyte uses RocksDB as the storage layer for their core key-value storage, high-performance counters and time-windowed HyperLogLog services.
Rakuten Marketing
Rakuten Marketing uses RocksDB as the disk cache layer for the real-time bidding service in their Performance DSP.
VWO, Wingify
VWO's Smart Code checker and URL helper uses RocksDB to store all the URLs where VWO's Smart Code is installed.
quasardb
quasardb is a high-performance, distributed, transactional key-value database that integrates well with in-memory analytics engines such as Apache Spark. quasardb uses a heavily tuned RocksDB as its persistence layer.
Netflix
Netflix Netflix uses RocksDB on AWS EC2 instances with local SSD drives to cache application data.
TiKV
TiKV is a GEO-replicated, high-performance, distributed, transactional key-value database. TiKV is powered by Rust and Raft. TiKV uses RocksDB as its persistence layer.
Apache Flink
Apache Flink uses RocksDB to store state locally on a machine.
Dgraph
Dgraph is an open-source, scalable, distributed, low latency, high throughput Graph database .They use RocksDB to store state locally on a machine.
Uber
Uber uses RocksDB as a durable and scalable task queue.
360 Pika
360 Pika is a nosql compatible with redis. With the huge amount of data stored, redis may suffer for a capacity bottleneck, and pika was born for solving it. It has widely been used in many companies.
LzLabs
LzLabs is using RocksDB as a storage engine in their multi-database distributed framework to store application configuration and user data.
ProfaneDB
ProfaneDB is a database for Protocol Buffers, and uses RocksDB for storage. It is accessible via gRPC, and the schema is defined using directly .proto files.
IOTA Foundation
IOTA Foundation is using RocksDB in the IOTA Reference Implementation (IRI) to store the local state of the Tangle. The Tangle is the first open-source distributed ledger powering the future of the Internet of Things.
Avrio Project
Avrio Project is using RocksDB in Avrio to store blocks, account balances and data and other blockchain-releated data. Avrio is a multiblockchain decentralized cryptocurrency empowering monetary transactions.
Crux
Crux is a document database that uses RocksDB for local EAV index storage to enable point-in-time bitemporal Datalog queries. The "unbundled" architecture uses Kafka to provide horizontal scalability.
Nebula Graph
Nebula Graph is a distributed, scalable, lightning-fast, open source graph database capable of hosting super large scale graphs with dozens of billions of vertices (nodes) and trillions of edges, with milliseconds of latency.
YugabyteDB
YugabyteDB is an open source, high performance, distributed SQL database that uses RocksDB as its storage layer. For more information, please see https://github.com/yugabyte/yugabyte-db/.
ArangoDB
ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values, for building high performance applications using a convenient SQL-like query language or JavaScript extensions. It uses RocksDB as its sotrage engine.
Milvus
Milvus is an open source vector database for unstructured data. It uses RocksDB not only as one of the supported kv storage engines, but also as a message queue.
Kafka
Kafka is an open-source distributed event streaming platform, it uses RocksDB to store state in Kafka Streams: https://www.confluent.io/blog/how-to-tune-rocksdb-kafka-streams-state-stores-performance/.
Others
More databases using RocksDB can be found at dbdb.io.