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document changed configmap default (#3116)

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* document changed configmap default
* update config reference
* add warning message in sync
* address review comments
This commit is contained in:
Felix Kunde
2026-07-02 14:04:57 +02:00
committed by GitHub
parent 1227fc2e1c
commit a3d17c12d2
13 changed files with 66 additions and 37 deletions
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docs/reference/operator_parameters.md
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@@ -100,15 +100,13 @@ Those are top-level keys, containing both leaf keys and groups.
Kubernetes-native DCS).
* **kubernetes_use_configmaps**
Select if setup uses endpoints (default), or configmaps to manage leader when
Select if setup uses endpoints or configmaps (default) to manage leader when
DCS is kubernetes (not etcd or similar). In OpenShift it is not possible to
use endpoints option, and configmaps is required. Starting with K8s 1.33,
endpoints are marked as deprecated. It's recommended to switch to config maps
instead. But, to do so make sure you scale the Postgres cluster down to just
one primary pod (e.g. using `max_instances` option). Otherwise, you risk
running into a split-brain scenario.
By default, `kubernetes_use_configmaps: false`, meaning endpoints will be used.
Starting from v1.16.0 the default will be changed to `true`.
running into a split-brain scenario. Default is `true`.
* **docker_image**
Spilo Docker image for Postgres instances. For production, don't rely on the