我有一个庞大的数据框(500万行),每行都是一篮子项目,我正在尝试获取频繁的项目集和关联规则。但它给了我StackOverflowErrors,我尝试设置检查点目录,但它没有解决问题。不知道怎么解决这个问题?非常感谢提前
fpGrowth = FPGrowth(itemsCol="ARFeatures", minSupport=0.8, minConfidence=0.9)
model = fpGrowth.fit(completeDf)
java.lang.StackOverflowError的 at java.lang.reflect.InvocationTargetException。(InvocationTargetException.java:72) at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348) 在scala.collection.mutable.HashMap $$ anonfun $ writeObject $ 1.apply(HashMap.scala:138) 在scala.collection.mutable.HashMap $$ anonfun $ writeObject $ 1.apply(HashMap.scala:136) 在scala.collection.mutable.HashTable $ class.foreachEntry(HashTable.scala:230) 在scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:40) 在scala.collection.mutable.HashTable $ class.serializeTo(HashTable.scala:125) 在scala.collection.mutable.HashMap.serializeTo(HashMap.scala:40) 在scala.collection.mutable.HashMap.writeObject(HashMap.scala:136) at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1028) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348) 在scala.collection.mutable.HashMap $$ anonfun $ writeObject $ 1.apply(HashMap.scala:138)
答案 0 :(得分:0)
增加驱动程序堆栈大小。这取决于您如何执行应用程序,您需要正确传递驱动程序JVM选项。
对于spark-submit,您可以将其添加为cmd行arg:
--conf "spark.driver.extraJavaOptions=-Xss10m"
请查看这些内容以获取更多详细信息: