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| Databases | Open Source | C++ APIs | Low Latency | Key-Value Storage | Embedded database with on-disk storage mode | In-Memory (Caching) Capabilities | Note | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aerospike |  | | | |  | | ||||||
| Berkeley DB (one of the best) | | | | | | | Developed by Oracle Inc. Support APIs for multiple programming languages. Support many Operating systems as the server. One of the oldest and developed in the year 1994. | |||||
| Redis | | | | | only In-memory capabilities. Can only use it as cache store so cannot store data larger than RAM size. | | One of the best but cannot store big volumes of data larger than RAM hence cannot be used for our purpose. | |||||
| LevelDB | | | | | Developed by Google Inc. IoS is not supported as a server operating system. Developed in 2011. | |||||||
| RocksDB (also very much recommended) | | | | | Developed by Facebook Inc. Developed in 2013. Only supports APIs in language C++ and Java. | |||||||
| LMDB (Very high performant) | | | ||||||||||
| BadgerDB | ||||||||||||
| Riak KV | | | ||||||||||
| Amazon DynamoDB | ||||||||||||
| SQLite (Not very good performance) | | |||||||||||
| Kyoto Cabinet | | Halo DB | (Only JAVA) | Developed Yahoo Inc. | InfinityDB | (Only JAVA) |