Document 'openfiles' option

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index ea943ee04544408a60776a67807dec5737d741a8..d1a3ad1e3291bb5b23555ec5c388c2ab48185322 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -253,6 +253,10 @@ bs_unaligned       If this option is given, any byte size value within bsrange
 
 nrfiles=int    Number of files to use for this job. Defaults to 1.
 
+openfiles=int  Number of files to keep open at the same time. Defaults to
+               the same as nrfiles, can be set smaller to limit the number
+               simultaneous opens.
+
 file_service_type=str  Defines how fio decides which file from a job to
                service next. The following types are defined: