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[SPARK-49190][K8S][FOLLOW-UP] Add how to populate executor log url vars with env vars #47801

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[SPARK-49190][K8S][FOLLOW-UP] Add how to populate executor log url vars with env vars #47801

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35a35e6
Mention how to populate executor log url vars with env vars
EnricoMi Aug 19, 2024
e0eba77
Address review comments
EnricoMi Aug 20, 2024
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7 changes: 7 additions & 0 deletions docs/running-on-kubernetes.md
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Expand Up @@ -436,6 +436,13 @@ When there exists a log collection system, you can expose it at Spark Driver `Ex
spark.ui.custom.executor.log.url='https://log-server/log?appId={{APP_ID}}&execId={{EXECUTOR_ID}}'
```

You can add additional custom variables to this url template, populated with the values of existing executor environment variables like

```
spark.executorEnv.SPARK_EXECUTOR_ATTRIBUTE_YOUR_VAR='$(EXISTING_EXECUTOR_ENV_VAR)'
spark.ui.custom.executor.log.url='https://log-server/log?appId={{APP_ID}}&execId={{EXECUTOR_ID}}&your_var={{YOUR_VAR}}'
```

### Accessing Driver UI

The UI associated with any application can be accessed locally using
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