Originally posted by justinzane
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You mention the discard option. That actually hurts performance with some SSDs, since some SSDs do not behave well when given a large list to TRIM. That is probably why it is not default.
Using compression is a very bad choice with many of the benchmarks phoronix runs, since many of the benchmarks are writing streams of zeros, which compress exceedingly well, unlike more realistic data.
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