Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/6901#discussion_r32855391
--- Diff: docs/programming-guide.md ---
@@ -1144,9 +1144,11 @@ generate these on the reduce side. When data does
not fit in memory Spark will s
to disk, incurring the additional overhead of disk I/O and increased
garbage collection.
Shuffle also generates a large number of intermediate files on disk. As of
Spark 1.3, these files
--- End diff --
I know this has been merged, but a annoying issue that I have found in docs
(including mine, so I am guilty too) is use of this `as of Spark X`. No one
remembers searching for this pattern and it never gets updated. Rather we
should use markdown variables, `as of Spark {{site.SPARK_VERSION_SHORT}}`.
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