我在big endian系统上从源代码构建了spark 2.3.2。 我在big-endian系统上的spark 2.3.2 repl scala上观察到以下测试失败
失败的测试日志如下。
[info] - should clone and clean line object in ClosureCleaner *** FAILED *** (3 seconds, 530 milliseconds)
[info] isContain was true Interpreter output contained 'AssertionError':
[info]
[info] scala> import org.apache.spark.rdd.RDD
[info]
[info] scala>
[info] scala> lines: org.apache.spark.rdd.RDD[String] = pom.xml MapPartitionsRDD[46] at textFile at <console>:40
[info]
[info] scala> defined class Data
[info]
[info] scala> dataRDD: org.apache.spark.rdd.RDD[Data] = MapPartitionsRDD[47] at map at <console>:43
[info]
[info] scala> res28: Long = 180
[info]
[info] scala> repartitioned: org.apache.spark.rdd.RDD[Data] = MapPartitionsRDD[51] at repartition at <console>:41
[info]
[info] scala> res29: Long = 180
[info]
[info] scala>
[info] scala> | | getCacheSize: (rdd: org.apache.spark.rdd.RDD[_])Long
[info]
[info] scala> cacheSize1: Long = 24608
[info]
[info] scala> cacheSize2: Long = 17768
[info]
[info] scala>
[info] scala>
[info] scala> deviation: Double = 0.2779583875162549
[info]
[info] scala> | java.lang.AssertionError: assertion failed: deviation too large: 0.2779583875162549, first size: 24608, second size: 17768
[info] at scala.Predef$.assert(Predef.scala:170)
[info] ... 46 elided
[info]
[info] scala> | _result_1550119684300: Int = 1
[info]
[info] scala> (SingletonReplSuite.scala:121)
[info] org.scalatest.exceptions.TestFailedException:
[info] at org.scalatest.Assertions$class.newAssertionFailedException(Assertions.scala:528)
[info] at org.scalatest.FunSuite.newAssertionFailedException(FunSuite.scala:1560)
[info] at org.scalatest.Assertions$AssertionsHelper.macroAssert(Assertions.scala:501)
[info] at org.apache.spark.repl.SingletonReplSuite.assertDoesNotContain(SingletonReplSuite.scala:121)
[info] at org.apache.spark.repl.SingletonReplSuite$$anonfun$17.apply$mcV$sp(SingletonReplSuite.scala:394)
[info] at org.apache.spark.repl.SingletonReplSuite$$anonfun$17.apply(SingletonReplSuite.scala:371)
[info] at org.apache.spark.repl.SingletonReplSuite$$anonfun$17.apply(SingletonReplSuite.scala:371)
[info] at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
[info] at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
[info] at org.scalatest.Transformer.apply(Transformer.scala:22)
[info] at org.scalatest.Transformer.apply(Transformer.scala:20)
[info] at org.scalatest.FunSuiteLike$$anon$1.apply(FunSuiteLike.scala:186)
[info] at org.apache.spark.SparkFunSuite.withFixture(SparkFunSuite.scala:68)
[info] at org.scalatest.FunSuiteLike$class.invokeWithFixture$1(FunSuiteLike.scala:183)
[info] at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
[info] at org.scalatest.FunSuiteLike$$anonfun$runTest$1.apply(FunSuiteLike.scala:196)
[info] at org.scalatest.SuperEngine.runTestImpl(Engine.scala:289)
[info] at org.scalatest.FunSuiteLike$class.runTest(FunSuiteLike.scala:196)
[info] at org.scalatest.FunSuite.runTest(FunSuite.scala:1560)
[info] at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:229)
[info] at org.scalatest.FunSuiteLike$$anonfun$runTests$1.apply(FunSuiteLike.scala:229)
[info] at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:396)
[info] at org.scalatest.SuperEngine$$anonfun$traverseSubNodes$1$1.apply(Engine.scala:384)
[info] at scala.collection.immutable.List.foreach(List.scala:381)
[info] at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:384)
[info] at org.scalatest.SuperEngine.org$scalatest$SuperEngine$$runTestsInBranch(Engine.scala:379)
[info] at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:461)
[info] at org.scalatest.FunSuiteLike$class.runTests(FunSuiteLike.scala:229)
[info] at org.scalatest.FunSuite.runTests(FunSuite.scala:1560)
[info] at org.scalatest.Suite$class.run(Suite.scala:1147)
[info] at org.scalatest.FunSuite.org$scalatest$FunSuiteLike$$super$run(FunSuite.scala:1560)
[info] at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:233)
[info] at org.scalatest.FunSuiteLike$$anonfun$run$1.apply(FunSuiteLike.scala:233)
[info] at org.scalatest.SuperEngine.runImpl(Engine.scala:521)
[info] at org.scalatest.FunSuiteLike$class.run(FunSuiteLike.scala:233)
[info] at org.apache.spark.SparkFunSuite.org$scalatest$BeforeAndAfterAll$$super$run(SparkFunSuite.scala:31)
[info] at org.scalatest.BeforeAndAfterAll$class.liftedTree1$1(BeforeAndAfterAll.scala:213)
[info] at org.scalatest.BeforeAndAfterAll$class.run(BeforeAndAfterAll.scala:210)
[info] at org.apache.spark.SparkFunSuite.run(SparkFunSuite.scala:31)
[info] at org.scalatest.tools.Framework.org$scalatest$tools$Framework$$runSuite(Framework.scala:314)
[info] at org.scalatest.tools.Framework$ScalaTestTask.execute(Framework.scala:480)
[info] at sbt.ForkMain$Run$2.call(ForkMain.java:296)
[info] at sbt.ForkMain$Run$2.call(ForkMain.java:286)
[info] at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[info] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[info] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[info] at java.lang.Thread.run(Thread.java:813)
如何解决此问题，或者它们是大型endian平台的已知问题。这种失败有多重要？