HDFS Adapter commands
The Hadoop cluster must be configured to enable WebHDFS access. The WebHDFS server and port to which the adapter connects, the file to read or write, and various options for tuning these operations are specified by the adapter commands described in this documentation.
Adapter commands summary list
Short name | Long name | Description |
---|---|---|
-S | -SCHEME | Scheme |
-H | -HOST | Host |
-P | -PORT | Port |
-U | -USER | User |
-F | -FILE | File |
-CS | -CHUNKSIZE | Chunk size |
-SCM | -SINGLECHUNKMODE | Single chunk mode |
-IWM | -IMMEDIATEWRITEMODE | Immediate write mode |
-OW | -OVERWRITE | Overwrite |
-PER | -PERMISSION | Permission flags |
-REP | -REPLICATION | Replication factor |
-CSRFH | -CSRFH | Cross-Site Request Forgery prevention header |
-XATTR | -XATTR | Extended input and output attributes |
-TSL | -TRUSTSTORELOCATION | Truststore full path |
-TSP | -TRUSTSTOREPASSWORD | Truststore password |
-KSL | -KEYSTORELOCATION | Keystore full path |
-KSP | -KEYSTOREPASSWORD | Keystore password |
-KP | -KEYPASSWORD | Key password |
-AS | -AUTHSERVER | Authenticate server |
-AC | -AUTHCLIENT | Authenticate client |
-VH | -VERIFYHOSTNAME | Verify hostname |
-KM | -KERBEROSMODE | Kerberos mode authentication |
-LCFL | -LOGINCONFIFILEOCATION | Login configuration file location |
-KCFL | -KERBEROSCONFIGFILELOCATION | Kerberos configuration file location |
-KAU | -KERBEROSAUTHUSER | Kerberos authentication user |
-KAP | -KERBEROSAUTHPASSWORD | Kerberos authentication password |
-KCN | -KERBEROSCONFIGNAME | Kerberos configuration namem |
-BAU | -BASICAUTHUSER | Basic authentication user |
-BAP | -BASICAUTHPASSWORD | Basic authentication password |
-T | -TRACE | Adapter log full path - info level log |
-T+ | -TRACE+ | Adapter log full path - append to log file |
-TV | -TRACEVERBOSE | Adapter log full path - verbose level log |
-TV+ | -TRACEVERBOSE+ | Adapter log full path - verbose level log - append to log file |
-TE | -TRACEERROR | Adapter log full path - error log only |
-TE+ | -TRACEEROR+ | Adapter log full path - error log only - append to log file |