Github user industrial-sloth commented on a diff in the pull request:
https://github.com/apache/spark/pull/3093#discussion_r19824974
--- Diff:
core/src/main/scala/org/apache/spark/input/FixedLengthBinaryRecordReader.scala
---
@@ -115,7 +115,7 @@ private[spark] class FixedLengthBinaryRecordReader
if (currentPosition < splitEnd) {
// setup a buffer to store the record
val buffer = recordValue.getBytes
- fileInputStream.read(buffer, 0, recordLength)
+ fileInputStream.readFully(buffer)
--- End diff --
yep, but readFully will either block until the full number of bytes is
available, or throw an error:
http://docs.oracle.com/javase/6/docs/api/java/io/DataInput.html#readFully(byte[])
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