Package org.apache.hadoop.hbase.master.cleaner

Interface Summary

Interface	Description
CleanerChore.Action<T>
FileCleanerDelegate	General interface for cleaning files from a folder (generally an archive or backup folder).

Class Summary

Class	Description
BaseFileCleanerDelegate	Base class for file cleaners which allows subclasses to implement a simple isFileDeletable method (which used to be the FileCleanerDelegate contract).
BaseHFileCleanerDelegate	Base class for the hfile cleaning function inside the master.
BaseLogCleanerDelegate	Base class for the log cleaning function inside the master.
CleanerChore<T extends FileCleanerDelegate>	Abstract Cleaner that uses a chain of delegates to clean a directory of files
DirScanPool	The thread pool used for scan directories
HFileCleaner	This Chore, every time it runs, will clear the HFiles in the hfile archive folder that are deletable for each HFile cleaner in the chain.
HFileCleaner.HFileDeleteTask
HFileLinkCleaner	HFileLink cleaner that determines if a hfile should be deleted.
LogCleaner	This Chore, every time it runs, will attempt to delete the WALs and Procedure WALs in the old logs folder.
LogCleaner.CleanerContext
ReplicationBarrierCleaner	Used to clean the useless barriers in HConstants.REPLICATION_BARRIER_FAMILY_STR family in meta table.
TimeToLiveHFileCleaner	HFile cleaner that uses the timestamp of the hfile to determine if it should be deleted.
TimeToLiveLogCleaner	Log cleaner that uses the timestamp of the wal to determine if it should be deleted.
TimeToLiveProcedureWALCleaner	Procedure WAL cleaner that uses the timestamp of the Procedure WAL to determine if it should be deleted.