✨ Use uncached client and partial metadata for secret and configmaps #4023
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These changes allow the current stable Cluster API release to reduce its memory footprint by a large margin. Currently, we have multiple controllers that are either watching (like ClusterResourceSet) or querying (get/list) corev1.Secret and corev1.ConfigMap resources. When these kinds go through the case, all of the objects in the cluster end up being cached, not just the ones we're interested in. In production environments, there might be a large number of ConfigMap or Secret resources that we end up caching and watching for little gain. Signed-off-by: Vince Prignano <[email protected]>
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: CecileRobertMichon The full list of commands accepted by this bot can be found here. The pull request process is described here
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These changes allow the current stable Cluster API release to reduce its
memory footprint by a large margin.
Currently, we have multiple controllers that are either watching (like
ClusterResourceSet) or querying (get/list) corev1.Secret and
corev1.ConfigMap resources.
When these kinds go through the case, all of the objects in the cluster
end up being cached, not just the ones we're interested in.
In production environments, there might be a large number of ConfigMap
or Secret resources that we end up caching and watching for little gain.
Signed-off-by: Vince Prignano [email protected]
What this PR does / why we need it:
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 #3892
/milestone v0.4.0
/assign @CecileRobertMichon @detiber