getconf

Sergey Ostapov

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]

Arguments
-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

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