doc: add etcd configuration example (#1870)

coreos · Jan 19, 2018 · 7880638 · 7880638
1 parent ea00899
commit 7880638
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/doc/user/spec_examples.md b/doc/user/spec_examples.md
@@ -54,6 +54,20 @@ spec:
         cpu: 200m
         memory: 100Mi
 ```
+
+## Custom etcd configuration
+
+etcd members could be configured via env: https://coreos.com/etcd/docs/latest/op-guide/configuration.html
+
+```yaml
+spec:
+  size: 3
+  pod:
+    etcdEnv:
+    - name: ETCD_AUTO_COMPACTION_RETENTION
+      value: "1"
+```
+
 ## TLS
 
 For more information on working with TLS, see [Cluster TLS policy][cluster-tls].