getconf
Gets configuration information from the configuration directory, post-processing.
The usage is as follows:
$ hdfs getconf -namenodes
$ hdfs getconf -secondaryNameNodes
$ hdfs getconf -backupNodes
$ hdfs getconf -journalNodes
$ hdfs getconf -includeFile
$ hdfs getconf -excludeFile
$ hdfs getconf -nnRpcAddresses
$ hdfs getconf -confKey [key]-namenodes |
Gets the list of NameNodes in the cluster |
-secondaryNameNodes |
Gets the list of secondary NameNodes in the cluster |
-backupNodes |
Gets the list of backup nodes in the cluster |
-journalNodes |
Gets the list of journal nodes in the cluster |
-includeFile |
Gets the include file path that defines the DataNodes that can join the cluster |
-excludeFile |
Gets the exclude file path that defines the DataNodes that need to decommissioned |
-nnRpcAddresses |
Gets the NameNode RPC addresses |
-confKey [key] |
Gets a specific key from the configuration |