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  1. Knative Serving
  2. SRVKS-745

[REGRESSION] 0.21.0 missing "Unregister views to avoid slow oom issue during meter cleanup" backport

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    • 1.15.0
    • 1.15.0
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      https://github.com/openshift/knative-serving/pull/668 was not backported to downstream openshift 0.21.0 branch

      After a Serverless 1.15 soak test run, the autoscaler metrics are broken, with the following errors:

      An error has occurred while serving metrics:
      
      174 error(s) occurred:
      
      * collected metric "autoscaler_terminating_pods" { label:<name:"configuration_name" value:"counter-0" > label:<name:"namespace_name" value:"kc-broker-counter-1" > label:<name:"revision_name" value:"counter-0-00001" > label:<name:"service_name" value:"counter-0" > gauge:<value:0 > } was collected before with the same name and label values
      
      * collected metric "autoscaler_actual_pods" { label:<name:"configuration_name" value:"counter-0" > label:<name:"namespace_name" value:"kc-broker-counter-1" > label:<name:"revision_name" value:"counter-0-00001" > label:<name:"service_name" value:"counter-0" > gauge:<value:0 > } was collected before with the same name and label values
      
      * collected metric "autoscaler_pending_pods" { label:<name:"configuration_name" value:"counter-0" > label:<name:"namespace_name" value:"kc-broker-counter-1" > label:<name:"revision_name" value:"counter-0-00001" > label:<name:"service_name" value:"counter-0" > gauge:<value:0 > } was collected before with the same name and label values
      * ...
      

              skontopo@redhat.com Stavros Kontopoulos (Inactive)
              maschmid@redhat.com Marek Schmidt
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