[Vector] Loss of logs when using Vector as collector.

oc new-project logtesta0

oc label nodes --all placement=logtest

cat cm.yaml 

apiVersion: v1
data:
  ocp_logtest.cfg: |
    --num-lines 4500000 --line-length 1024 --word-length 9 --rate 150000 --fixed-line
kind: ConfigMap
metadata:
  name: logtest-config
  namespace: logtesta0
 
oc create -f cm.yaml

cat rc.yaml 

apiVersion: v1
kind: ReplicationController
metadata:
  generation: 1
  labels:
    run: centos-logtest
    test: centos-logtest
  name: centos-logtest
  namespace: logtesta0
spec:
  replicas: 1
  selector:
    run: centos-logtest
    test: centos-logtest
  template:
    metadata:
      generateName: centos-logtest-
      labels:
        run: centos-logtest
        test: centos-logtest
    spec:
      containers:
      - image: quay.io/mffiedler/ocp-logtest:latest
        imagePullPolicy: Always
        name: centos-logtest
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
        volumeMounts:
        - mountPath: /var/lib/svt
          name: config
      dnsPolicy: ClusterFirst
      imagePullSecrets:
      - name: default-dockercfg-ukomu
      nodeSelector:
        placement: logtest
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      terminationGracePeriodSeconds: 30
      volumes:
      - configMap:
          defaultMode: 420
          name: logtest-config
        name: config

oc create -f rc.yaml

oc rsh elasticsearch-cdm-2rb3icfi-1-97546dfd-zplpc 

es_util --query=app*/_count -d '{"query":{"wildcard":{"kubernetes.pod_namespace":{"value":"logtesta0*","boost":1,"rewrite":"constant_score"}}}}' 

{"count":2150366,"_shards":{"total":3,"successful":3,"skipped":0,"failed":0}}

sh-4.4$ $ es_util --query=app*/_count                                                           {"count":2150366,"_shards":{"total":3,"successful":3,"skipped":0,"failed":0}}sh-4.4$ 

apiVersion: "logging.openshift.io/v1"
kind: "ClusterLogging"
metadata:
  name: "instance" 
  namespace: "openshift-logging"
spec:
  managementState: "Managed"  
  logStore:
    type: "elasticsearch"  
    retentionPolicy: 
      application:
        maxAge: 7d
      infra:
        maxAge: 7d
      audit:
        maxAge: 7d
    elasticsearch:
      nodeCount: 3 
      storage:
        storageClassName: "gp2" 
        size: 100G
      resources: 
          requests:
            memory: "1Gi"
      proxy: 
        resources:
          limits:
            memory: 256Mi
          requests:
            memory: 256Mi
      redundancyPolicy: "SingleRedundancy"
  visualization:
    type: "kibana"  
    kibana:
      replicas: 1
  collection:
    logs:
      type: "vector"  
      vector: {}