Doc: update hadoop document. (intel-analytics#5623)

* doc: update hadoop document. * fix: fix wording. * fix: fix wording. * fix: fix wording.
ForJadeForest · Sep 20, 2022 · f837c8f · f837c8f
1 parent 2fd9dfc
commit f837c8f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/docs/readthedocs/source/doc/UserGuide/hadoop.md b/docs/readthedocs/source/doc/UserGuide/hadoop.md
@@ -119,7 +119,7 @@ Follow the steps below if you need to run BigDL with [spark-submit](https://spar
       --archives environment.tar.gz#environment \
       script.py
   ```
-  Note: For `yarn-client`, the Spark driver is running on local and it will use the Python interpreter in the current active conda environment while the executors will use the Python interpreter in `environment.tar.gz`.
+  Note: For `yarn-cluster`, the Spark driver is running in a YARN container as well and thus both the driver and executors will use the Python interpreter in `environment.tar.gz`. If you want to operate HDFS as some certain user, you can add `spark.yarn.appMasterEnv.HADOOP_USER_NAME=username` to SparkConf.
 
 
   For `yarn-client` mode:
@@ -134,4 +134,4 @@ Follow the steps below if you need to run BigDL with [spark-submit](https://spar
       --archives environment.tar.gz#environment \
       script.py
   ```
-  Note: For `yarn-cluster`, the Spark driver is running in a YARN container as well and thus both the driver and executors will use the Python interpreter in `environment.tar.gz`.
+  Note: For `yarn-client`, the Spark driver is running on local and it will use the Python interpreter in the current active conda environment while the executors will use the Python interpreter in `environment.tar.gz`.