Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/11#discussion_r10191952
--- Diff: core/src/main/scala/org/apache/spark/rdd/PairRDDFunctions.scala
---
@@ -712,6 +713,16 @@ class PairRDDFunctions[K: ClassTag, V: ClassTag](self:
RDD[(K, V)])
logDebug("Saving as hadoop file of type (" + keyClass.getSimpleName +
", " +
valueClass.getSimpleName + ")")
+ if (outputFormatClass.isInstanceOf[FileOutputFormat[_, _]]) {
+ val outputPath = conf.get("mapred.output.dir")
--- End diff --
So I looked into this more and it turns out the `fileSystem` parameter is
totally ignored by FileOutputFormat. So I think we can just do this:
```
if (outputFormatClass.isInstanceOf[FileOutputFormat[_, _]]) {
// FileOutputFormat ignores the filesystem parameter
val ignoredFs = FileSystem.get(conf)
conf.getOutputFormat.checkOutputSpecs(ignoredFs, conf)
}
```
http://grepcode.com/file/repo1.maven.org/maven2/org.jvnet.hudson.hadoop/hadoop-core/0.19.1/org/apache/hadoop/mapred/FileOutputFormat.java#FileOutputFormat.checkOutputSpecs%28org.apache.hadoop.fs.FileSystem%2Corg.apache.hadoop.mapred.JobConf%29
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