title: How to save parquet in S3 from AWS SageMaker?
body: <p>I would like to save a Spark DataFrame from AWS SageMaker to S3. In Notebook, I ran</p>
  
  <p><code>myDF.write.mode('overwrite').parquet("s3a://my-bucket/dir/dir2/")</code></p>
  
  <p>I get</p>
  
  <blockquote>
    <p>Py4JJavaError: An error occurred while calling o326.parquet. :
    java.lang.RuntimeException: java.lang.ClassNotFoundException: Class
    org.apache.hadoop.fs.s3native.NativeS3FileSystem not found    at
    org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2195)
      at
    org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:2654)
      at
    org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2667)
      at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:94)   at
    org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2703)
      at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2685)
      at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:373)     at
    org.apache.hadoop.fs.Path.getFileSystem(Path.java:295)    at
    org.apache.spark.sql.execution.datasources.DataSource.writeInFileFormat(DataSource.scala:394)
      at
    org.apache.spark.sql.execution.datasources.DataSource.write(DataSource.scala:471)
      at
    org.apache.spark.sql.execution.datasources.SaveIntoDataSourceCommand.run(SaveIntoDataSourceCommand.scala:50)
      at
    org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult$lzycompute(commands.scala:58)
      at
    org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult(commands.scala:56)
      at
    org.apache.spark.sql.execution.command.ExecutedCommandExec.doExecute(commands.scala:74)
      at
    org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$1.apply(SparkPlan.scala:117)
      at
    org.apache.spark.sql.execution.SparkPlan$$anonfun$execute$1.apply(SparkPlan.scala:117)
      at
    org.apache.spark.sql.execution.SparkPlan$$anonfun$executeQuery$1.apply(SparkPlan.scala:138)
      at
    org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:151)
      at
    org.apache.spark.sql.execution.SparkPlan.executeQuery(SparkPlan.scala:135)
      at
    org.apache.spark.sql.execution.SparkPlan.execute(SparkPlan.scala:116)
      at
    org.apache.spark.sql.execution.QueryExecution.toRdd$lzycompute(QueryExecution.scala:92)
      at
    org.apache.spark.sql.execution.QueryExecution.toRdd(QueryExecution.scala:92)
      at
    org.apache.spark.sql.DataFrameWriter.runCommand(DataFrameWriter.scala:609)
      at
    org.apache.spark.sql.DataFrameWriter.save(DataFrameWriter.scala:233)
      at
    org.apache.spark.sql.DataFrameWriter.save(DataFrameWriter.scala:217)
      at
    org.apache.spark.sql.DataFrameWriter.parquet(DataFrameWriter.scala:508)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  at
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      at
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:498)     at
    py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)  at
    py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)    at
    py4j.Gateway.invoke(Gateway.java:280)     at
    py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
      at py4j.commands.CallCommand.execute(CallCommand.java:79)   at
    py4j.GatewayConnection.run(GatewayConnection.java:214)    at
    java.lang.Thread.run(Thread.java:745) Caused by:
    java.lang.ClassNotFoundException: Class
    org.apache.hadoop.fs.s3native.NativeS3FileSystem not found    at
    org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:2101)
      at
    org.apache.hadoop.conf.Configuration.getClass(Configuration.java:2193)</p>
  </blockquote>
  
  <p>How should I do it correctly in Notebook? Many thanks!</p>