Known Issues in HDFS

Learn about the known issues in HDFS, the impact or changes to the functionality, and the workaround.

OPSAPS-55788: WebHDFS is always enabled. The Enable WebHDFS checkbox does not take effect.

None.

Unsupported Features

The following HDFS features are currently not supported in Cloudera Data Platform:

• ACLs for the NFS gateway (HADOOP-11004)
• Aliyun Cloud Connector (HADOOP-12756)
• Allow HDFS block replicas to be provided by an external storage system (HDFS-9806)
• Consistent standby Serving reads (HDFS-12943)
• Cost-Based RPC FairCallQueue (HDFS-14403)
• HDFS Router Based Federation (HDFS-10467)
• More than two NameNodes (HDFS-6440)
• NameNode Federation (HDFS-1052)
• NameNode Port-based Selective Encryption (HDFS-13541)
• Non-Volatile Storage Class Memory (SCM) in HDFS Cache Directives (HDFS-13762)
• OpenStack Swift (HADOOP-8545)
• SFTP FileSystem (HADOOP-5732)
• Storage policy satisfier (HDFS-10285)