Clayton says this will stop premetheus metric growth. https://github.com/kubernetes/kubernetes/pull/54921 I believe he wants/needs this for 3.7 GA
https://github.com/openshift/origin/pull/17173
Tested, Prometheus AlertManager volumes does not grow infinitely now env: # openshift version openshift v3.7.0-0.197.0 kubernetes v1.7.6+a08f5eeb62 etcd 3.2.8 images: prometheus/images/v3.7.0-0.197.0.0 prometheus-alert-buffer/images/v3.7.0-0.197.0.0 oauth-proxy/images/v3.7.0-0.197.0.0 prometheus-alertmanager/images/v3.7.0-0.197.0.0
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2017:3188