docs: Add release note about expiring internal metrics (#14338)

* docs: Add release note about expiring internal metrics * Fix option name * Flesh out description for `expire_metrics` Signed-off-by: Jesse Szwedko <[email protected]> * Remove additional references to internal_metrics_secs Signed-off-by: Jesse Szwedko <[email protected]> Signed-off-by: Jesse Szwedko <[email protected]> Co-authored-by: Jesse Szwedko <[email protected]>
vectordotdev · Sep 12, 2022 · 28113af · 28113af
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commit 28113af
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diff --git a/website/cue/reference/releases/0.24.0.cue b/website/cue/reference/releases/0.24.0.cue
@@ -33,6 +33,10 @@ releases: "0.24.0": {
 		- A new `opentelemetry` source to receive input from OpenTelemetry collectors and SDKs. Only
 		  logs are supported in this release, but support for metrics and traces are in-flight.
 		  An `opentelemetry` sink will follow.
+		- Support for expiring high cardinality internal metrics through the global `expire_metrics`
+		  (will be replaced by `expire_metrics_secs` in 0.24.1). This can alleviate issues with
+		  Vector using increased memory over time. For now it is opt-in, but we may make this the
+		  default in the future.
 
 		Note that this release has a backwards incompatible data model change that users of the
 		`vector` sink and disk buffers should be aware of while upgrading. See the [note in the