From 60df5606d630fa22794c98248421650b475fa405 Mon Sep 17 00:00:00 2001
From: Jeremy Edwards <1312331+jeremyje@users.noreply.github.com>
Date: Tue, 9 Mar 2021 19:52:25 +0000
Subject: [PATCH] Add Windows Defender exclusion for unpigz.exe

---
 cluster/gce/windows/k8s-node-setup.psm1 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cluster/gce/windows/k8s-node-setup.psm1 b/cluster/gce/windows/k8s-node-setup.psm1
index 103701fc25b..9cb85b47d43 100644
--- a/cluster/gce/windows/k8s-node-setup.psm1
+++ b/cluster/gce/windows/k8s-node-setup.psm1
@@ -1635,6 +1635,8 @@ function Install-Pigz {
       # Windows path it'll use it instead of the default unzipper.
       # See: https://github.com/containerd/containerd/issues/1896
       Add-MachineEnvironmentPath -Path $PIGZ_ROOT
+      # Add process exclusion for Windows Defender to boost performance. 
+      Add-MpPreference -ExclusionProcess "$PIGZ_ROOT\unpigz.exe"
       Log-Output "Installed Pigz $PIGZ_VERSION"
     } else {
       Log-Output "Pigz already installed."