Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/1276#discussion_r17011357
--- Diff: python/pyspark/rdd.py ---
@@ -181,7 +181,7 @@ def id(self):
"""
A unique ID for this RDD (within its SparkContext).
"""
- return self._id
+ return self._jrdd.id()
--- End diff --
self._jrdd.id() will need an RPC in py4j, so it's better to cache it as
`_id`.
For PipelineRDD() and SchemaRDD(), we can override id() to fetch the id
from _jrdd (also cache it).
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