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make minimum limits boundaries configurable

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This commit is contained in:
Felix Kunde
2020-01-31 14:55:04 +01:00
parent fddaf0fb73
commit eb24d729f2
17 changed files with 171 additions and 88 deletions
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docs/reference/operator_parameters.md
+11 -3
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@@ -318,11 +318,19 @@ CRD-based configuration.
* **default_cpu_limit**
CPU limits for the Postgres containers, unless overridden by cluster-specific
settings. The default is `3`.
settings. The default is `1`.
* **default_memory_limit**
memory limits for the Postgres containers, unless overridden by cluster-specific
settings. The default is `1Gi`.
settings. The default is `500Mi`.
* **min_cpu_limit**
hard CPU minimum what we consider to be required to properly run Postgres
clusters with Patroni on Kubernetes. The default is `250m`.
* **min_memory_limit**
hard memory minimum what we consider to be required to properly run Postgres
clusters with Patroni on Kubernetes. The default is `250Mi`.
## Operator timeouts
@@ -579,4 +587,4 @@ scalyr sidecar. In the CRD-based configuration they are grouped under the
CPU limit value for the Scalyr sidecar. The default is `1`.
* **scalyr_memory_limit**
Memory limit value for the Scalyr sidecar. The default is `1Gi`.
Memory limit value for the Scalyr sidecar. The default is `500Mi`.
docs/user.md
+5 -5
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@@ -232,11 +232,11 @@ spec:
memory: 300Mi
```
The minimum limit to properly run the `postgresql` resource is `256m` for `cpu`
and `256Mi` for `memory`. If a lower value is set in the manifest the operator
will cancel ADD or UPDATE events on this resource with an error. If no
resources are defined in the manifest the operator will obtain the configured
[default requests](reference/operator_parameters.md#kubernetes-resource-requests).
The minimum limits to properly run the `postgresql` resource are configured to
`250m` for `cpu` and `250Mi` for `memory`. If a lower value is set in the
manifest the operator will raise the limits to the configured minimum values.
If no resources are defined in the manifest they will be obtained from the
configured [default requests](reference/operator_parameters.md#kubernetes-resource-requests).
## Use taints and tolerations for dedicated PostgreSQL nodes