helm: release notes for 5.5.0 (#9489)

* helm: release notes for 5.5.0 Signed-off-by: Vladimir Varankin <[email protected]> * reformat text Signed-off-by: Vladimir Varankin <[email protected]> * Apply suggestions from code review Co-authored-by: Taylor C <[email protected]> --------- Signed-off-by: Vladimir Varankin <[email protected]> Co-authored-by: Taylor C <[email protected]>
grafana · Oct 4, 2024 · 29160c8 · 29160c8
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+---
+title: "Grafana Mimir Helm chart version 5.5 release notes"
+menuTitle: "V5.5 release notes"
+description: "Release notes for Grafana Mimir Helm chart version 5.5"
+weight: 300
+---
+
+# Grafana Mimir Helm chart version 5.5 release notes
+
+Grafana Labs is excited to announce version 5.5 of the Grafana Mimir Helm chart, which is compatible with Grafana Mimir v2.14 or Grafana Enterprise Metrics (GEM) v2.14. The `mimir-distributed` Helm chart is the best way to install Mimir on Kubernetes.
+
+The highlights that follow include the top features, enhancements, and bug fixes in this release. For a comprehensive list of changes, see the [Helm chart changelog](https://github.com/grafana/mimir/tree/main/operations/helm/charts/mimir-distributed/CHANGELOG.md).
+
+## Important changes
+
+- The ingester is configured with `GOMAXPROCS` to help with overhead from the Go scheduler, observed on hosts with a large number of CPU cores.
+- The GEM query-frontend logs the query author's access policy name and token name in the query statistics logs. This provides more visibility as which token is running a potentially expensive query.
+- Dashboards are updated to allow switching between classic and native histograms in the queries that support it.
+
+## Features and enhancements
+
+Notable enhancements are as follows:
+
+- The dashboard configuration maps support setting a namespace.
+- The `topologySpreadConstraints` configuration of all components is updated to better match what is allowed in Kubernetes.
+- Metamonitoring supports AWS Signature Version 4 (sigv4) authentication for remote write.
+- Metamonitoring is updated to allow its Grafana Agent pods to set image pull secrets, node selectors, tolerances, topology spread constraints, and resource requests and limits.
+- The continous-test is updated to allow setting separate read and write URLs.
+- The continous-test can be enabled in GEM.