Benchmarking RocksDB’s Three Amplification Factors

This story was originally published on HackerNoon at: https://hackernoon.com/benchmarking-rocksdbs-three-amplification-factors. Four RocksDB experiments show how deletes, key order, Bloom filters and compaction I/O distort read, write and space amplification. Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #rocksdb, #lsm-trees, #database-benchmarking, #write-amplification, #read-amplification, #rocksdb-compaction, #space-amplification, #hackernoon-top-story, and more. This story was written by: @hackermuksh2690. Learn more about this writer by checking @hackermuksh2690's about page, and for more stories, please visit hackernoon.com. RocksDB benchmarks show that deletes can increase disk usage, L0 files can raise lookup latency and sequential keys can conceal write amplification. The larger lesson is that key distribution, system load and compaction capacity matter more than any isolated configuration knob.