类分层结构
- java.lang.Object
- org.apache.hadoop.hdfs.server.namenode.BlockPlacementPolicy
- org.apache.hadoop.hdfs.server.namenode.CorruptReplicasMap
- org.apache.hadoop.hdfs.server.namenode.DatanodeDescriptor.BlockTargetPair
- org.apache.hadoop.hdfs.protocol.DatanodeID (implements org.apache.hadoop.io.WritableComparable<T>)
- org.apache.hadoop.hdfs.protocol.DatanodeInfo (implements org.apache.hadoop.net.Node)
- org.apache.hadoop.hdfs.server.namenode.FileChecksumServlets
- org.apache.hadoop.hdfs.server.namenode.FSEditLog
- org.apache.hadoop.hdfs.server.namenode.FSNamesystem (implements org.apache.hadoop.hdfs.server.namenode.FSClusterStats, org.apache.hadoop.hdfs.protocol.FSConstants, org.apache.hadoop.hdfs.server.namenode.metrics.FSNamesystemMBean, org.apache.hadoop.metrics2.MetricsSource, org.apache.hadoop.hdfs.server.namenode.NameNodeMXBean)
- javax.servlet.GenericServlet (implements java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig)
- javax.servlet.http.HttpServlet (implements java.io.Serializable)
- org.apache.hadoop.hdfs.server.namenode.JspHelper
- org.apache.hadoop.hdfs.server.namenode.LeaseManager
- org.apache.hadoop.hdfs.server.namenode.MetaRecoveryContext
- org.apache.hadoop.hdfs.server.namenode.NameNode (implements org.apache.hadoop.hdfs.protocol.ClientProtocol, org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol, org.apache.hadoop.hdfs.protocol.FSConstants, org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol, org.apache.hadoop.security.authorize.RefreshAuthorizationPolicyProtocol, org.apache.hadoop.security.RefreshUserMappingsProtocol)
- org.apache.hadoop.hdfs.server.namenode.NamenodeFsck
- org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode (implements java.lang.Runnable)
- org.apache.hadoop.hdfs.server.common.StorageInfo
- java.lang.Throwable (implements java.io.Serializable)
- org.apache.hadoop.hdfs.server.common.UpgradeObject (implements org.apache.hadoop.hdfs.server.common.Upgradeable)
接口分层结构
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