Merge branch 'global_dedup' of https://github.com/bardavid/fio

[fio.git] / HOWTO.rst

diff --git a/HOWTO.rst b/HOWTO.rst
index a5fa432e4b59caa4838eb24fe5687aa2a13e43c1..6a3e09f51938788e4a272cc958a02d4e4c845558 100644 (file)
--- a/HOWTO.rst
+++ b/HOWTO.rst
@@ -1749,6 +1749,12 @@ Buffers and memory
        Note that size needs to be explicitly provided and only 1 file per
        job is supported
 
+.. option:: dedupe_global=bool
+
+       This controls whether the deduplication buffers will be shared amongst
+       all jobs that have this option set. The buffers are spread evenly between
+       participating jobs.
+
 .. option:: invalidate=bool
 
        Invalidate the buffer/page cache parts of the files to be used prior to