add warning

Signed-off-by: Joe Elliott <[email protected]>
grafana · Nov 6, 2024 · a536dad · a536dad
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diff --git a/charts/tempo/README.md b/charts/tempo/README.md
@@ -134,6 +134,11 @@ The command removes all the Kubernetes components associated with the chart and
 
 A major chart version change indicates that there is an incompatible breaking change needing manual actions.
 
+### From Chart versions < 1.12.0
+
+Upgrading to chart 1.12.0 will set the memberlist cluster_label config option. During rollout your cluster will temporarilly be split into two memberlist clusters until all components are rolled out.
+This will interrupt reads and writes. This config option is set to prevent cross talk between Tempo and other memberlist clusters.
+
 ### From Chart versions < 1.2.0
 
 Please be aware that we've updated the minor version to Tempo 2.1, which includes breaking changes.

diff --git a/charts/tempo/README.md.gotmpl b/charts/tempo/README.md.gotmpl
@@ -40,6 +40,11 @@ The command removes all the Kubernetes components associated with the chart and
 
 A major chart version change indicates that there is an incompatible breaking change needing manual actions.
 
+### From Chart versions < 1.12.0
+
+Upgrading to chart 1.12.0 will set the memberlist cluster_label config option. During rollout your cluster will temporarilly be split into two memberlist clusters until all components are rolled out.
+This will interrupt reads and writes. This config option is set to prevent cross talk between Tempo and other memberlist clusters.
+
 ### From Chart versions < 1.2.0
 
 Please be aware that we've updated the minor version to Tempo 2.1, which includes breaking changes.