Package alluxio.master.file

Interface Summary

Interface	Description
BlockDeletionContext	Interface for a class which gathers block deletion requests, then handles them during close.
BlockDeletionContext.BlockDeletionListener	Interface for block deletion listeners.
FileSystemMaster	The interface of file system master service.
PermissionChecker	interface to provide permission check logic.
ResultStream<T>	Used to receive stream of items.
UfsDeleter	Interface for deleting persisted entries from the UFS.

Class Summary

Class	Description
BlockIntegrityChecker	Heartbeat executor for validating inode and block integrity.
DefaultBlockDeletionContext	Class for tracking which blocks need to be deleted, and deleting them on close.
DefaultFileSystemMaster	The master that handles all file system metadata management.
DefaultFileSystemMaster.Metrics	Class that contains metrics for FileSystemMaster.
DefaultPermissionChecker	Default implementation of permission checker.
FileSystemJournalEntryMerger	A file system journal entry merger which merges inode creation and inode update journals on the same inode object into one.
FileSystemMasterAuditContext	An audit context for file system master.
FileSystemMasterClient	A wrapper for the gRPC client to interact with the file system master, used by Alluxio job service.
FileSystemMasterClientServiceHandler	This class is a gRPC handler for file system master RPCs invoked by an Alluxio client.
FileSystemMasterFactory	Factory to create a FileSystemMaster instance.
FileSystemMasterJobServiceHandler	This class is a gRPC handler for file system master RPCs invoked by Alluxio job service.
FileSystemMasterOptions	The file system class to set default options for master.
FileSystemMasterWorkerServiceHandler	This class is a gRPC handler for file system master RPCs invoked by an Alluxio worker.
InodeSyncStream	This class is responsible for maintaining the logic which surrounds syncing metadata between Alluxio and its UFSes.
ListStatusPartialResultStream	Used to track the results of a call to a partial listing.
ListStatusResultStream	Used to define a single batch of listing.
MetadataSyncLockManager	Class for managing metadata sync locking.
MetadataSyncLockManager.MetadataSyncPathList	Represents a locked path for a metadata sync path.
NoopBlockDeletionContext	Implementation of DefaultBlockDeletionContext which does nothing.
NoopUfsDeleter	A noop version of the UfsDeleter.
PersistJob	Represents a persist job.
RpcContext	Context passed through the span of a file system master RPC to manage actions that need to be taken when the body of the RPC is finished.
SafeUfsDeleter	Helper class for deleting persisted entries from the UFS.
UfsSyncChecker	Class to check if the contents of the under storage is in-sync with the master.

Enum Summary

Enum	Description
DefaultFileSystemMaster.Metrics.UFSOps	UFS operations enum.
InodeSyncStream.SyncStatus	Return status of a sync result.
MetadataSyncTraversalOrder	The pending Path in the Inode SyncStream traversal order.
PersistJob.CancelState	Represents the possible cancel states.