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feat(clickhouse): support volumeAttributesClassName on PVC template - #872

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lotooo:feat/clickhouse-volume-attributes-class
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feat(clickhouse): support volumeAttributesClassName on PVC template#872
lotooo wants to merge 1 commit into
SigNoz:mainfrom
lotooo:feat/clickhouse-volume-attributes-class

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@lotooo lotooo commented May 21, 2026

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Allow setting persistence.volumeAttributesClassName (and a per-template volumeAttributesClassName on entries in templates.volumeClaimTemplates) so the data PVC can reference a Kubernetes 1.31+ VolumeAttributesClass.

This unlocks in-place modification of volume parameters — most usefully, raising EBS gp3 IOPS and throughput above the baseline 3000 / 125 MiB/s without recreating the volume. Defaults to null, so existing chart users see no rendering change.

Allow setting `persistence.volumeAttributesClassName` (and a per-template
`volumeAttributesClassName` on entries in `templates.volumeClaimTemplates`)
so the data PVC can reference a Kubernetes 1.31+ VolumeAttributesClass.

This unlocks in-place modification of volume parameters — most usefully,
raising EBS gp3 IOPS and throughput above the baseline 3000 / 125 MiB/s
without recreating the volume. Defaults to null, so existing chart users
see no rendering change.
@lotooo
lotooo requested a review from a team as a code owner May 21, 2026 15:53
@Nageshbansal Nageshbansal added the chart:clickhouse Issue related to clickhouse helm chart label May 27, 2026
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