[GitHub] [flink-kubernetes-operator] gyfora commented on a diff in pull request #553: [FLINK-31577] Upgrade documentation to improve Operator

["gyfora (via GitHub)" <gi...@apache.org>]

gyfora commented on code in PR #553:
URL: https://github.com/apache/flink-kubernetes-operator/pull/553#discussion_r1148434335


##########
docs/content/docs/operations/upgrade.md:
##########
@@ -59,6 +59,16 @@ Please note that we are using the `replace` command here which ensures that runn
 
 ### 2. Upgrading the Helm deployment
 
+{{< hint danger >}}
+Before upgrading, please compare the version difference between the currently generated yaml and the running yaml, which will be used for backup and restore.
+{{< /hint >}}
+
+
+```sh
+helm template flink-kubernetes-operator <helm-repo>/flink-kubernetes-operator  <custom settings> | kubectl diff -f -
+```

Review Comment:
   What is the point of this step?



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