[jira] [Created] (SPARK-14633) Use more readable format to show memory bytes in Error Message

["Peter Ableda (JIRA)" <ji...@apache.org>]

Peter Ableda created SPARK-14633:
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             Summary: Use more readable format to show memory bytes in Error Message
                 Key: SPARK-14633
                 URL: https://issues.apache.org/jira/browse/SPARK-14633
             Project: Spark
          Issue Type: Improvement
            Reporter: Peter Ableda
            Priority: Minor


Error Message currently:
{code}
ERROR spark.SparkContext: Error initializing SparkContext.
java.lang.IllegalArgumentException: System memory 15204352 must be at least 4.718592E8. Please increase heap size using the --driver-memory option or spark.driver.memory in Spark configuration.
	at org.apache.spark.memory.UnifiedMemoryManager$.getMaxMemory(UnifiedMemoryManager.scala:193)
	at org.apache.spark.memory.UnifiedMemoryManager$.apply(UnifiedMemoryManager.scala:175)
	at org.apache.spark.SparkEnv$.create(SparkEnv.scala:354)
	at org.apache.spark.SparkEnv$.createDriverEnv(SparkEnv.scala:193)
	at org.apache.spark.SparkContext.createSparkEnv(SparkContext.scala:289)
	at org.apache.spark.SparkContext.<init>(SparkContext.scala:462)
	at org.apache.spark.examples.SparkPi$.main(SparkPi.scala:29)
	at org.apache.spark.examples.SparkPi.main(SparkPi.scala)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.spark.deploy.yarn.ApplicationMaster$$anon$2.run(ApplicationMaster.scala:542)
{code}

Preferred error message
{code}
java.lang.IllegalArgumentException: System memory 15204352 must be at least 471859200. Please increase heap size using the --driver-memory option or spark.driver.memory in Spark configuration.
{code}



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