Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/11509#discussion_r55205874
--- Diff:
mllib/src/test/scala/org/apache/spark/ml/source/libsvm/LibSVMRelationSuite.scala
---
@@ -88,7 +88,8 @@ class LibSVMRelationSuite extends SparkFunSuite with
MLlibTestSparkContext {
val df = sqlContext.read.format("libsvm").load(path)
val tempDir2 = Utils.createTempDir()
val writepath = tempDir2.toURI.toString
- df.write.format("libsvm").mode(SaveMode.Overwrite).save(writepath)
+ // TODO: Remove requirement to coalesce by supporting mutiple reads.
+
df.coalesce(1).write.format("libsvm").mode(SaveMode.Overwrite).save(writepath)
--- End diff --
I don't get this, lib svm relation doesn't support multiple reads even
before your PR right?
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