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Class org.apache.hadoop.hdfs.server.namenode.FSImage

Removed Constructors
FSImage(File) Represents an Image (image and edit file).
 

Removed Methods
void corruptPreUpgradeStorage(File)  
boolean isConversionNeeded(StorageDirectory)  
void saveFSImage() Save the contents of the FS image and create empty edits.
 

Added Methods
FSNamesystem getFSNamesystem()  
boolean getRestoreFailedStorage()  
boolean isPreUpgradableLayout(StorageDirectory)  
void moveCurrent(StorageDirectory) Move {@code current} to {@code lastcheckpoint.tmp} and recreate empty {@code current}.
void moveLastCheckpoint(StorageDirectory) Move {@code lastcheckpoint.tmp} to {@code previous.checkpoint}
void saveCurrent(StorageDirectory) Save current image and empty journal into {@code current} directory.
void setImageDigest(MD5Hash)  
void setRestoreFailedStorage(boolean)  
 

Added Fields
CheckpointStates ckptState Can fs-image be rolled
FSEditLog editLog  
MD5Hash imageDigest  
FSNamesystem namesystem  
MD5Hash newImageDigest