From b25b34645e4fec1ffb3fbb7674c95c064d0f657a Mon Sep 17 00:00:00 2001 From: Sitsofe Wheeler Date: Fri, 23 Jun 2017 23:27:23 +0100 Subject: [PATCH] HOWTO: add rate example Signed-off-by: Sitsofe Wheeler --- HOWTO | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/HOWTO b/HOWTO index 4be23f05..742e0d26 100644 --- a/HOWTO +++ b/HOWTO @@ -2039,6 +2039,11 @@ I/O rate suffix rules apply. Comma-separated values may be specified for reads, writes, and trims as described in :option:`blocksize`. + For example, using `rate=1m,500k` would limit reads to 1MiB/sec and writes to + 500KiB/sec. Capping only reads or writes can be done with `rate=,500k` or + `rate=500k,` where the former will only limit writes (to 500KiB/sec) and the + latter will only limit reads. + .. option:: rate_min=int[,int][,int] Tell fio to do whatever it can to maintain at least this bandwidth. Failing -- 2.25.1