From hadoop 2.7.0, can't set value 0 to disable the check. dfs.namenode.fs-limits.max-directory-items 1048576 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. http://hadoop.apache.org/docs/r2.7.0/hadoop-project-dist/hadoop-hdfs/hdfs-default.xml It is generally recommended that users do not tune these values except in very unusual circumstances. ... View more