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The reflector watches all ConfigMaps and Secrets across every namespace in the cluster. In large clusters with thousands of ConfigMaps, this creates massive event volume — the vast majority of which are for resources with no reflector annotations. This unnecessary traffic saturates the internal bounded channel (256 slots) and can contribute to silent stalls.
This PR adds a new
excludedNamespacesconfiguration option that accepts comma-separated glob patterns. Events from matching namespaces are dropped before entering the bounded channel, eliminating noise at the earliest possible point.