diff --git a/source/administration/production-notes.txt b/source/administration/production-notes.txt index a437b0051f1..1e1c75885fb 100644 --- a/source/administration/production-notes.txt +++ b/source/administration/production-notes.txt @@ -366,6 +366,13 @@ MongoDB on Virtual Environments The section describes considerations when running MongoDB in some of the more common virtual environments. +.. note:: + + Local block devices attached to virtual machine instances via the + hypervisor should use a *noop* scheduler for best performance. The + *noop* scheduler allows the operating system to defer I/O scheduling to + the underlying hypervisor. + EC2 ```