List of usage examples for org.apache.hadoop.hdfs.server.protocol NamenodeProtocols interface-usage
From source file common.NameNode.java
/**********************************************************
* NameNode serves as both directory namespace manager and
* "inode table" for the Hadoop DFS. There is a single NameNode
* running in any DFS deployment. (Well, except when there
* is a second backup/failover NameNode.)
*