Github user tdas commented on a diff in the pull request:
https://github.com/apache/spark/pull/3803#discussion_r23966691
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -657,6 +657,10 @@ class SparkContext(config: SparkConf) extends Logging
with ExecutorAllocationCli
*
* Load data from a flat binary file, assuming the length of each record
is constant.
*
+ * '''Note:''' Normally getBytes returns an array padded with extra
values,
--- End diff --
Does the end user ever need to call getBytes() given that this RDD is of
type Array[Byte]? Does the user even need to know that this feature uses
FixedLengthBinaryInputFormat underneath. And if they dont, then this note can
be simplified and mentioned in terms of the RDD, something like "Each record in
this DStream/RDD is of fixed length with padded bytes / right length / etc."
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