backup: mention max-workers performance setting

Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>

diff --git a/vzdump.adoc b/vzdump.adoc
index 841cf3d3042b417bf62331ff79e4d532820473c4..8658e380b39f201a0a3a40213e95ab1306a8a3f8 100644 (file)
--- a/vzdump.adoc
+++ b/vzdump.adoc
@@ -217,7 +217,8 @@ missed jobs as soon as possible.
 There are a few settings for tuning backup performance not exposed in the UI.
 The most notable is `bwlimit` for limiting IO bandwidth. The amount of threads
 used for the compressor can be controlled with the `pigz` (replacing `gzip`),
-respectively, `zstd` setting. Furthermore, there is `ionice`. See the
+respectively, `zstd` setting. Furthermore, there are `ionice` and, as part of
+the `performance` setting, `max-workers` (affects VM backups only). See the
 xref:vzdump_configuration[configuration options] for details.
 
 [[vzdump_retention]]