Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/21589#discussion_r201887142
--- Diff: python/pyspark/context.py ---
@@ -406,6 +406,22 @@ def defaultMinPartitions(self):
"""
return self._jsc.sc().defaultMinPartitions()
+ @property
+ def numCores(self):
+ """
+ Total number of CPU cores of all executors registered in the
cluster at the moment.
+ The number reflects current status of the cluster and can change
in the future.
--- End diff --
We call it `.. note:: Experimental` though I believe.
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