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RethinkDB: On TRIM, NCQ, and Write Amplification

Closing the circle:

RethinkDB gets around these issues in the following way. We identified over a dozen parameters that affect the performance of any given drive (for example, block size, stride, timing, etc.) We have a benchmarking engine that treats the underlying storage system as a black box and brute forces through many hundreds of permutations of these parameters to find an ideal workload for the underlying drive.

Original title and link: RethinkDB: On TRIM, NCQ, and Write Amplification (NoSQL databases © myNoSQL)

via: http://www.rethinkdb.com/blog/2011/03/on-trim-ncq-and-write-amplification/