f270658873
For software like PostgreSQL and SQLite that sometimes reads sequentially while also writing sequentially some distance behind with interleaved syscalls on the same fd, performance is better on UFS if we do sequential access heuristics separately for reads and writes. Patch originally by Andrew Gierth in 2008, updated and proposed by me with his permission. Reviewed by: mjg, kib, tmunro Approved by: mjg (mentor) Obtained from: Andrew Gierth <andrew@tao11.riddles.org.uk> Differential Revision: https://reviews.freebsd.org/D25024 |
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