Add sysctl gc_thresh tuning
Sem-Ver: feature
Change-Id: I15ffb3af5c19584243c6b7d8b6a9e756e925aa23
diff --git a/releasenotes/notes/kubernetes-add-sysctl-gc_thresh-tunning-438099ff8b0d9ff2.yaml b/releasenotes/notes/kubernetes-add-sysctl-gc_thresh-tunning-438099ff8b0d9ff2.yaml
new file mode 100644
index 0000000..90c0ca9
--- /dev/null
+++ b/releasenotes/notes/kubernetes-add-sysctl-gc_thresh-tunning-438099ff8b0d9ff2.yaml
@@ -0,0 +1,3 @@
+---
+features:
+ - Add sysctl gc_thresh tuning in kubernetes role
diff --git a/roles/kubernetes/defaults/main.yml b/roles/kubernetes/defaults/main.yml
index 2bba2ce..538a6c9 100644
--- a/roles/kubernetes/defaults/main.yml
+++ b/roles/kubernetes/defaults/main.yml
@@ -46,6 +46,12 @@
value: 1
- name: net.ipv4.conf.all.rp_filter
value: 0
+ - name: net.ipv4.neigh.default.gc_thresh1
+ value: 4096
+ - name: net.ipv4.neigh.default.gc_thresh2
+ value: 8192
+ - name: net.ipv4.neigh.default.gc_thresh3
+ value: 16384
# ]]]
# .. envvar:: kubernetes_control_plane_group [[[