| Class and 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. | 
| FileCleanerDelegate General interface for cleaning files from a folder (generally an archive or
 backup folder). | 
| Class and Description | 
|---|
| 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. | 
| LogCleaner This Chore, every time it runs, will attempt to delete the WALs and Procedure WALs in the old
 logs folder. | 
| ReplicationBarrierCleaner Used to clean the useless barriers in  HConstants.REPLICATION_BARRIER_FAMILY_STRfamily in
 meta table. | 
| SnapshotCleanerChore This chore, every time it runs, will try to delete snapshots that are expired based on TTL in
 seconds configured for each Snapshot | 
| Class and 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. | 
| BaseTimeToLiveFileCleaner Base class for time to live file cleaner. | 
| CleanerChore Abstract Cleaner that uses a chain of delegates to clean a directory of files | 
| CleanerChore.Action | 
| DirScanPool The thread pool used for scan directories | 
| FileCleanerDelegate General interface for cleaning files from a folder (generally an archive or
 backup folder). | 
| HFileCleaner.HFileDeleteTask | 
| LogCleaner.CleanerContext | 
| Class and 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. | 
| FileCleanerDelegate General interface for cleaning files from a folder (generally an archive or
 backup folder). | 
| Class and 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. | 
| FileCleanerDelegate General interface for cleaning files from a folder (generally an archive or
 backup folder). | 
| Class and 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. | 
| FileCleanerDelegate General interface for cleaning files from a folder (generally an archive or
 backup folder). | 
| Class and 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. | 
| FileCleanerDelegate General interface for cleaning files from a folder (generally an archive or
 backup folder). | 
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