[jira] [Created] (SPARK-22043) Python profile, show_profiles() and dump_profiles(), should throw an error with a better message

["Hyukjin Kwon (JIRA)" <ji...@apache.org>]

Hyukjin Kwon created SPARK-22043:
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             Summary: Python profile, show_profiles() and dump_profiles(), should throw an error with a better message
                 Key: SPARK-22043
                 URL: https://issues.apache.org/jira/browse/SPARK-22043
             Project: Spark
          Issue Type: Improvement
          Components: PySpark
    Affects Versions: 2.3.0
            Reporter: Hyukjin Kwon
            Priority: Trivial


I mistakenly missed {{spark.python.profile}} enabled today while profiling and met this unfriendly messages:

{code}
>>> sc.show_profiles()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File ".../spark/python/pyspark/context.py", line 1000, in show_profiles
    self.profiler_collector.show_profiles()
AttributeError: 'NoneType' object has no attribute 'show_profiles'
>>> sc.dump_profiles("/tmp/abc")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File ".../spark/python/pyspark/context.py", line 1005, in dump_profiles
    self.profiler_collector.dump_profiles(path)
AttributeError: 'NoneType' object has no attribute 'dump_profiles'
{code}

It looks we should give better information that says {{spark.python.profile}} should be enabled.



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