yaooqinn closed pull request #19840: [SPARK-22640][PYSPARK][YARN]switch python
exec on executor side
URL: https://github.com/apache/spark/pull/19840
This is a PR merged from a forked repository.
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diff --git a/core/src/main/scala/org/apache/spark/api/python/PythonRunner.scala
b/core/src/main/scala/org/apache/spark/api/python/PythonRunner.scala
index f524de68fbce0..9d16dbbe9a0c8 100644
--- a/core/src/main/scala/org/apache/spark/api/python/PythonRunner.scala
+++ b/core/src/main/scala/org/apache/spark/api/python/PythonRunner.scala
@@ -57,9 +57,14 @@ private[spark] abstract class BasePythonRunner[IN, OUT](
require(funcs.length == argOffsets.length, "argOffsets should have the same
length as funcs")
+ private val env = SparkEnv.get
+ private val conf = env.conf
+
// All the Python functions should have the same exec, version and envvars.
protected val envVars = funcs.head.funcs.head.envVars
- protected val pythonExec = funcs.head.funcs.head.pythonExec
+ protected val pythonExec =
conf.getOption("spark.executorEnv.PYSPARK_DRIVER_PYTHON")
+ .getOrElse(conf.getOption("spark.executorEnv.PYSPARK_PYTHON")
+ .getOrElse(funcs.head.funcs.head.pythonExec))
protected val pythonVer = funcs.head.funcs.head.pythonVer
// TODO: support accumulator in multiple UDF
@@ -70,7 +75,6 @@ private[spark] abstract class BasePythonRunner[IN, OUT](
partitionIndex: Int,
context: TaskContext): Iterator[OUT] = {
val startTime = System.currentTimeMillis
- val env = SparkEnv.get
val localdir = env.blockManager.diskBlockManager.localDirs.map(f =>
f.getPath()).mkString(",")
envVars.put("SPARK_LOCAL_DIRS", localdir) // it's also used in monitor
thread
if (reuseWorker) {
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