org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.protocol.FSLimitException$MaxDirectoryItemsExceededException): The directory item limit of /spark_dir/spark_eventLogs is exceeded: limit=1048576 items=1048576
解决方法：修改配置文件 ，重启namenode，datanode
hdfs-site.xml
dfs.namenode.fs-limits.max-directory-items 3200000 Defines the maximum number of items that a directory may contain. Cannot set the property to a value less than 1 or more than 6400000.
