- <init>
- shutdown
Shut down this instance of the datanode. Returns only after shutdown is
complete.
- doCheckpoint
Create a new checkpoint
- doMerge
Merge downloaded image and edits and write the new image into current storage
directory.
- downloadCheckpointFiles
Download fsimage and edits files from the name-node.
- getInfoServer
Returns the Jetty server that the Namenode is listening on.
- initialize
Initialize SecondaryNameNode.
- doWork
- startCheckpointThread
- countUncheckpointedTxns
- getHttpAddress
- join
Wait for the service to finish. (Normally, it runs forever.)