Github user srowen commented on the pull request:
https://github.com/apache/spark/pull/2508#issuecomment-56651085
@mateiz Got it. On the zip methods, I want to capture the key point from
https://issues.apache.org/jira/browse/SPARK-3098 , that the ordering is not
only not guaranteed but also may change on reevaluation. I hope that wording is
OK to retain and merge into yours.
I'll find some place in the programming guide to note this, and remove
wording about persist and/or replace with suggestion to sort the RDD.
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