Added NPM optimization tip

src/content/docs/new-relic-solutions/observability-maturity/operational-efficiency/dg-optimizing.mdx

@@ -848,6 +848,13 @@ This section focuses on New Relic's network performance monitoring which relies
   - debug: Indicates whether to enable debug level logging during discovery. By default, it's set to `false`
   - default_communities: Array of SNMPv1/v2c community strings to scan during SNMP polling. This array is evaluated in order and discovery accepts the first passing community.
 
+To support filtering of data that does not create value for your observability needs, you can set the `global.match_attributes.{}` and/or `devices.<deviceName>.match_attributes.{}` attribute map.
+
+This will provide filtering at the ktranslate level, before shipping data to New Relic, giving you granular control over monitoring of things like interfaces.
+
+view [this page](https://docs.newrelic.com/docs/network-performance-monitoring/advanced/advanced-config/#match_attributes-attribute) for more details.
+
+
 </Collapser>
 <Collapser
   id="log-forwarders"