Thomas Graves created SPARK-30445:
-------------------------------------
Summary: Accelerator aware scheduling handle setting configs to 0
better
Key: SPARK-30445
URL: https://issues.apache.org/jira/browse/SPARK-30445
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 3.0.0
Reporter: Thomas Graves
If you set the resource configs to 0, it errors with divide by zero. While I
think ideally the user should just remove the configs we should handle the 0
better.
{color:#1d1c1d}$ spark-submit --conf spark.driver.resource.gpu.amount=0
{color}*--conf spark.executor.resource.gpu.amount=0*{color:#1d1c1d}
{color}*--conf spark.task.resource.gpu.amount=0*{color:#1d1c1d} --conf
spark.driver.resource.gpu.discoveryScript=/shared/tools/get_gpu_resources.sh
--conf
spark.executor.resource.gpu.discoveryScript=/shared/tools/get_gpu_resources.sh
test.py{color}
{color:#1d1c1d}20/01/07 05:36:42 WARN NativeCodeLoader: Unable to load
native-hadoop library for your platform... using builtin-java classes where
applicable{color}
{color:#1d1c1d}Using Spark’s default log4j profile:
org/apache/spark/log4j-defaults.properties{color}
{color:#1d1c1d}20/01/07 05:36:43 INFO SparkContext: {color}*Running Spark
version 3.0.0-preview*
{color:#1d1c1d}20/01/07 05:36:43 INFO ResourceUtils:
=============================================================={color}
{color:#1d1c1d}20/01/07 05:36:43 INFO ResourceUtils: Resources for
spark.driver:{color}
*gpu -> [name: gpu, addresses: 0]*
{color:#1d1c1d}20/01/07 05:36:43 INFO ResourceUtils:
=============================================================={color}
{color:#1d1c1d}20/01/07 05:36:43 INFO SparkContext: Submitted application:
test.py{color}
{color:#1d1c1d}......{color}
{color:#1d1c1d}20/01/07 05:36:43 ERROR SparkContext: Error initializing
SparkContext.{color}
*java.lang.ArithmeticException: / by zero*
{color:#1d1c1d}at
org.apache.spark.SparkContext$.$anonfun$createTaskScheduler$3(SparkContext.scala:2793){color}
{color:#1d1c1d}at
org.apache.spark.SparkContext$.$anonfun$createTaskScheduler$3$adapted(SparkContext.scala:2775){color}
{color:#1d1c1d}at scala.collection.Iterator.foreach(Iterator.scala:941){color}
{color:#1d1c1d}at scala.collection.Iterator.foreach$(Iterator.scala:941){color}
{color:#1d1c1d}at
scala.collection.AbstractIterator.foreach(Iterator.scala:1429){color}
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