Merge pull request #60855 from cheftako/local-up

Automatic merge from submit-queue (batch tested with PRs 60710, 60855, 60873, 60895, 60862). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Fix local cluster leaking memory.

**What this PR does / why we need it**:
Local cluster is leaking memory due to mutation detector being enabled.
In addition there is no warning in the logs that this could be the
issue.
Added a log warning when this feature is enabled to make debugging this
issue easier for other cases of this.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #60854 

**Special notes for your reviewer**:

**Release note**:
```release-note
None
```

hack/local-up-cluster.sh

@@ -90,8 +90,9 @@ AUTH_ARGS=${AUTH_ARGS:-""}
 # Install a default storage class (enabled by default)
 DEFAULT_STORAGE_CLASS=${KUBE_DEFAULT_STORAGE_CLASS:-true}
 
-# start the cache mutation detector by default so that cache mutators will be found
-KUBE_CACHE_MUTATION_DETECTOR="${KUBE_CACHE_MUTATION_DETECTOR:-true}"
+# Do not run the mutation detector by default on a local cluster.
+# It is intended for a specific type of testing and inherently leaks memory.
+KUBE_CACHE_MUTATION_DETECTOR="${KUBE_CACHE_MUTATION_DETECTOR:-false}"
 export KUBE_CACHE_MUTATION_DETECTOR
 
 # panic the server on watch decode errors since they are considered coder mistakes
@@ -1037,4 +1038,4 @@ if [[ "${KUBETEST_IN_DOCKER:-}" == "true" ]]; then
   cluster/kubectl.sh config set-credentials myself --client-key=/var/run/kubernetes/client-admin.key --client-certificate=/var/run/kubernetes/client-admin.crt
   cluster/kubectl.sh config set-context local --cluster=local --user=myself
   cluster/kubectl.sh config use-context local
-fi
+fi