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Updated user guide

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Yinan Li 2019-04-21 19:30:44 -07:00
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@ -19,8 +19,9 @@ The Kubernetes Operator for Apache Spark ships with a command-line tool called `
* [Using Secrets As Environment Variables](#using-secrets-as-environment-variables)
* [Using Image Pull Secrets](#using-image-pull-secrets)
* [Using Pod Affinity](#using-pod-affinity)
* [Adding Tolerations](#adding-tolerations)
* [Using Tolerations](#using-tolerations)
* [Using Pod Security Context](#using-pod-security-context)
* [Using Sidecar Containers](#using-sidecar-containers)
* [Python Support](#python-support)
* [Monitoring](#monitoring)
* [Working with SparkApplications](#working-with-sparkapplications)
@ -269,7 +270,7 @@ spec:
Note that the mutating admission webhook is needed to use this feature. Please refer to the [Quick Start Guide](quick-start-guide.md) on how to enable the mutating admission webhook.
### Adding Tolerations
### Using Tolerations
A `SparkApplication` can specify an `Tolerations` for the driver or executor pod, using the optional field `.spec.driver.tolerations` or `.spec.executor.tolerations`. Below is an example:
@ -327,6 +328,9 @@ spec:
...
```
Note that the mutating admission webhook is needed to use this feature. Please refer to the
[Quick Start Guide](quick-start-guide.md) on how to enable the mutating admission webhook.
### Python Support
Python support can be enabled by setting `.spec.mainApplicationFile` with path to your python application. Optionaly, the `.spec.pythonVersion` field can be used to set the major Python version of the docker image used to run the driver and executor containers. Below is an example showing part of a `SparkApplication` specification: