Github user Mironor commented on a diff in the pull request:
https://github.com/apache/spark/pull/16137#discussion_r91015596
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -1144,13 +1218,19 @@ class SparkContext(config: SparkConf) extends
Logging {
}
/**
- * Get an RDD for a Hadoop SequenceFile with given key and value types.
+ * Get an RDD for a Hadoop `SequenceFile` with given key and value types.
*
- * @note Because Hadoop's RecordReader class re-uses the same Writable
object for each
- * record, directly caching the returned RDD or directly passing it to
an aggregation or shuffle
- * operation will create many references to the same object.
- * If you plan to directly cache, sort, or aggregate Hadoop writable
objects, you should first
- * copy them using a `map` function.
+ * @note because Hadoop's `RecordReader` class re-uses the same
`Writable` object for each
--- End diff --
Correct, but
[they](http://www.oracle.com/technetwork/articles/java/index-137868.html) also
contain continuation indentation (they even align parameter description)
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