Merge branch 'chunked-iolog-reading' of https://github.com/aclamk/fio

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 804d93e4c578bfdb7d47058d177cce34420bb380..16c5ae3163074fcb08a6caca741cb78a0b56c29b 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -2327,6 +2327,12 @@ I/O replay
        replay, the file needs to be turned into a blkparse binary data file first
        (``blkparse <device> -o /dev/null -d file_for_fio.bin``).
 
+.. option:: read_iolog_chunked=bool
+
+       Determines how iolog is read. If false(default) entire :option:`read_iolog`
+       will be read at once. If selected true, input from iolog will be read
+       gradually. Useful when iolog is very large, or it is generated.
+
 .. option:: replay_no_stall=bool
 
        When replaying I/O with :option:`read_iolog` the default behavior is to