Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/4878#discussion_r25747285
--- Diff:
core/src/main/scala/org/apache/spark/deploy/master/FileSystemPersistenceEngine.scala
---
@@ -58,7 +58,7 @@ private[spark] class FileSystemPersistenceEngine(
if (!created) { throw new IllegalStateException("Could not create
file: " + file) }
val serializer = serialization.findSerializerFor(value)
val serialized = serializer.toBinary(value)
- val out = new FileOutputStream(file)
+ val out = new BufferedOutputStream(new FileOutputStream(file))
--- End diff --
I agree. This doesn't help but doesn't really hurt either since we're only
allocating 8K. Not a huge deal but I might leave this one out.
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