Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/1568#discussion_r15382271
--- Diff: python/pyspark/context.py ---
@@ -112,6 +120,9 @@ def __init__(self, master=None, appName=None,
sparkHome=None, pyFiles=None,
if environment:
for key, value in environment.iteritems():
self._conf.setExecutorEnv(key, value)
+ for key, value in DEFAULT_CONFIGS.items():
+ if self._conf.get(key) is None:
+ self._conf.set(key, value)
--- End diff --
I've now merged https://github.com/apache/spark/pull/1051, so update this
to do _conf.setIfMissing().
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