AWS mediatailor: Document new avail progression CloudWatch metrics
Summary
Adds a document-history entry for new avail progression metrics (Avail.Start, Avail.FirstQuartile, Avail.Midpoint, Avail.ThirdQuartile) with ConfigurationName and account-level emissions.
Security assessment
Announces new CloudWatch monitoring metrics. Monitoring is security-adjacent but this is a changelog entry with no vulnerability or hardening content.
Evidence
+[New avail progression metrics](./monitoring-cloudwatch-metrics.html)| Added the `Avail.Start`, `Avail.FirstQuartile`, `Avail.Midpoint`, and `Avail.ThirdQuartile` metrics, with `ConfigurationName` and account-level (no dimensions) emissions.| September 17, 2026
Diff
diff --git a/mediatailor/latest/ug/document-history.md b/mediatailor/latest/ug/document-history.md index 96cee4528..a1e633b31 100644 --- a//mediatailor/latest/ug/document-history.md +++ b//mediatailor/latest/ug/document-history.md @@ -12,0 +13 @@ Change| Description| Date +[New avail progression metrics](./monitoring-cloudwatch-metrics.html)| Added the `Avail.Start`, `Avail.FirstQuartile`, `Avail.Midpoint`, and `Avail.ThirdQuartile` metrics, with `ConfigurationName` and account-level (no dimensions) emissions.| September 17, 2026