Package org.apache.hadoop.hdfs.protocolPB

Interface NamenodeProtocolPB

All Superinterfaces:

org.apache.hadoop.hdfs.protocol.proto.NamenodeProtocolProtos.NamenodeProtocolService.BlockingInterface

All Known Implementing Classes:

NamenodeProtocolServerSideTranslatorPB

@Private
public interface NamenodeProtocolPB
extends org.apache.hadoop.hdfs.protocol.proto.NamenodeProtocolProtos.NamenodeProtocolService.BlockingInterface

Protocol that a secondary NameNode uses to communicate with the NameNode. It's used to get part of the name node state Note: This extends the protocolbuffer service based interface to add annotations required for security.

Method Summary

Methods inherited from interface org.apache.hadoop.hdfs.protocol.proto.NamenodeProtocolProtos.NamenodeProtocolService.BlockingInterface

endCheckpoint, errorReport, getBlockKeys, getBlocks, getEditLogManifest, getMostRecentCheckpointTxId, getNextSPSPath, getTransactionId, isRollingUpgrade, isUpgradeFinalized, registerSubordinateNamenode, rollEditLog, startCheckpoint, versionRequest