Known Issues in HDFS
Learn about the known issues in HDFS, the impact or changes to the functionality, and the workaround.
- CDPD-26975/HADOOP-17631: Using the S3A connector in an oozie workflow where the operations are "secured" may trigger an IllegalArgumentException with the error message java.net.URISyntaxException: Relative path in absolute URI
- Set fs.s3a.buffer.dir to ${hadoop.tmp.dir} in the site configuration.
- OPSAPS-55788: WebHDFS is always enabled. The Enable WebHDFS checkbox does not take effect.
- None.
- Unsupported Features
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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)
