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feat: Add optional log PVC #1619

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gitbuda merged 1 commit into from
May 10, 2026
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feat: Add optional log PVC #1619

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11 changes: 11 additions & 0 deletions pages/clustering/high-availability/setup-ha-cluster-k8s.mdx
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Expand Up @@ -643,6 +643,15 @@ logging, set `commonArgs.{data,coordinators}.logging.log_level` to `DEBUG`
automatically — setting them directly in `data[].args` or
`coordinators[].args` is rejected.

By default, the chart provisions a dedicated log PVC for every data and
coordinator pod. If you only log to stderr and don't need a persistent log
volume, you can disable the log PVC by setting
`storage.data.createLogStorageClaim` and/or
`storage.coordinators.createLogStorageClaim` to `false`. When you do this you
must also set the corresponding `commonArgs.{data,coordinators}.logging.log_file`
to `""` to disable file logging — installing the chart with file logging
enabled but no log volume is rejected.

If you notice your application is crashing, you will be able to collect core
dumps by setting `storage.data.createCoreDumpsClaim` and
`storage.coordinators.createCoreDumpsClaim` to `true`. That will trigger the
Expand Down Expand Up @@ -956,6 +965,7 @@ and their default values.
| `storage.data.libPVCSize` | Size of the lib storage PVC for data instances | `1Gi` |
| `storage.data.libStorageAccessMode` | Access mode used for lib storage on data instances | `ReadWriteOnce` |
| `storage.data.libStorageClassName` | The name of the storage class used for storing data on data instances | `""` |
| `storage.data.createLogStorageClaim` | Create a PVC for logs on data instances. When `false`, `commonArgs.data.logging.log_file` must be `""`. | `true` |
| `storage.data.logPVCSize` | Size of the log PVC for data instances | `1Gi` |
| `storage.data.logStorageAccessMode` | Access mode used for log storage on data instances | `ReadWriteOnce` |
| `storage.data.logStorageClassName` | The name of the storage class used for storing logs on data instances | `""` |
Expand All @@ -971,6 +981,7 @@ and their default values.
| `storage.coordinators.libPVCSize` | Size of the lib storage PVC for coordinators | `1Gi` |
| `storage.coordinators.libStorageAccessMode` | Access mode used for lib storage on coordinators | `ReadWriteOnce` |
| `storage.coordinators.libStorageClassName` | The name of the storage class used for storing data on coordinators | `""` |
| `storage.coordinators.createLogStorageClaim` | Create a PVC for logs on coordinators. When `false`, `commonArgs.coordinators.logging.log_file` must be `""`.| `true` |
| `storage.coordinators.logPVCSize` | Size of the log PVC for coordinators | `1Gi` |
| `storage.coordinators.logStorageAccessMode` | Access mode used for log storage on coordinators | `ReadWriteOnce` |
| `storage.coordinators.logStorageClassName` | The name of the storage class used for storing logs on coordinators | `""` |
Expand Down