Hadoop vs RocksDB: What are the differences?
What is Hadoop? Open-source software for reliable, scalable, distributed computing. The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. It is designed to scale up from single servers to thousands of machines, each offering local computation and storage.
What is RocksDB? 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.
Hadoop and RocksDB belong to "Databases" category of the tech stack.
"Great ecosystem" is the primary reason why developers consider Hadoop over the competitors, whereas "Very fast" was stated as the key factor in picking RocksDB.
Hadoop and RocksDB are both open source tools. It seems that RocksDB with 14.3K GitHub stars and 3.12K forks on GitHub has more adoption than Hadoop with 9.26K GitHub stars and 5.78K GitHub forks.
Airbnb, Uber Technologies, and Spotify are some of the popular companies that use Hadoop, whereas RocksDB is used by Facebook, LinkedIn, and Skry, Inc.. Hadoop has a broader approval, being mentioned in 237 company stacks & 127 developers stacks; compared to RocksDB, which is listed in 6 company stacks and 7 developer stacks.
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What is Hadoop?
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