Aerospike vs RocksDB: What are the differences?
Developers describe Aerospike as "Flash-optimized in-memory open source NoSQL database". Aerospike is an open-source, modern database built from the ground up to push the limits of flash storage, processors and networks. It was designed to operate with predictable low latency at high throughput with uncompromising reliability – both high availability and ACID guarantees. On the other hand, RocksDB is detailed as "Embeddable persistent key-value store for fast storage, developed and maintained by Facebook Database Engineering Team". RocksDB is an embeddable persistent key-value store for fast storage. RocksDB can also be the foundation for a client-server database but our current focus is on embedded workloads. RocksDB builds on LevelDB to be scalable to run on servers with many CPU cores, to efficiently use fast storage, to support IO-bound, in-memory and write-once workloads, and to be flexible to allow for innovation.
Aerospike belongs to "In-Memory Databases" category of the tech stack, while RocksDB can be primarily classified under "Databases".
Some of the features offered by Aerospike are:
- 99% of reads/writes complete in under 1 millisecond.
- Predictable low latency at high throughput – second to none. Read the YCSB Benchmark.
- The secret sauce? A thousand things done right. Server code in ‘C’ (not Java or Erlang) precisely tuned to avoid context switching and memory copies. Highly parallelized multi-threaded, multi-core, multi-cpu, multi-SSD execution.
On the other hand, RocksDB provides the following key features:
- Designed for application servers wanting to store up to a few terabytes of data on locally attached Flash drives or in RAM
- Optimized for storing small to medium size key-values on fast storage -- flash devices or in-memory
- Scales linearly with number of CPUs so that it works well on ARM processors
"Ram and/or ssd persistence " is the primary reason why developers consider Aerospike over the competitors, whereas "Very fast" was stated as the key factor in picking RocksDB.
Aerospike and RocksDB are both open source tools. RocksDB with 14.1K GitHub stars and 3.09K forks on GitHub appears to be more popular than Aerospike with 282 GitHub stars and 52 GitHub forks.
According to the StackShare community, Aerospike has a broader approval, being mentioned in 30 company stacks & 9 developers stacks; compared to RocksDB, which is listed in 6 company stacks and 7 developer stacks.
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