Github user zjffdu commented on a diff in the pull request:
https://github.com/apache/spark/pull/13146#discussion_r73976507
--- Diff:
launcher/src/main/java/org/apache/spark/launcher/SparkSubmitCommandBuilder.java
---
@@ -294,11 +294,23 @@
appResource = PYSPARK_SHELL_RESOURCE;
constructEnvVarArgs(env, "PYSPARK_SUBMIT_ARGS");
- // The executable is the PYSPARK_DRIVER_PYTHON env variable set by the
pyspark script,
- // followed by PYSPARK_DRIVER_PYTHON_OPTS.
+ // Will pick up the binary executable in the following order
+ // 1. conf spark.pyspark.driver.python
+ // 2. conf spark.pyspark.python
+ // 3. environment variable PYSPARK_DRIVER_PYTHON
+ // 4. environment variable PYSPARK_PYTHON
+ // 5. python
List<String> pyargs = new ArrayList<>();
- pyargs.add(firstNonEmpty(System.getenv("PYSPARK_DRIVER_PYTHON"),
"python"));
+ pyargs.add(firstNonEmpty(conf.get(SparkLauncher.PYSPARK_DRIVER_PYTHON),
+ conf.get(SparkLauncher.PYSPARK_PYTHON),
+ System.getenv("PYSPARK_DRIVER_PYTHON"),
+ System.getenv("PYSPARK_PYTHON"),
+ "python"));
String pyOpts = System.getenv("PYSPARK_DRIVER_PYTHON_OPTS");
+ if (conf.containsKey(SparkLauncher.PYSPARK_PYTHON)) {
--- End diff --
Yesï¼python process needs this environment variable.
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