Package tachyon

Interface Summary

Interface	Description
HeartbeatExecutor	The interface for a periodical heartbeat.

Class Summary

Class	Description
BlockInfo	Block info on the master side.
BlocksLocker	Handle local block locking.
CheckpointInfo	Class to store global counter in master's write head log and checkpoint file.
CommonUtils	Common utilities shared by all components in Tachyon.
Constants	System wide constants
DataServer	The Server to serve data file read request from remote machines.
DataServerMessage	The message type used to send data request and response for remote data.
EditLog	Master operation journal.
Format	Format Tachyon File System.
HeartbeatThread	Thread class to execute a heartbeat periodically.
Image	Master data image.
Inode	Inode is an abstract class, with information shared by all types of Inodes.
InodeFile	Tachyon file system's file representation in master.
InodeFolder	Tachyon file system's folder representation in master.
InodeRawTable	Tachyon file system's RawTable representation in master.
Journal	The Journal manages Tachyon image and journal log.
LeaderInquireClient	Utility to get leader from zookeeper.
LeaderSelectorClient	Masters use this client to elect a leader.
Log4jFileAppender	Custom log4j appender which preserves old logs on system restart, rolls over logs based on both size and day.
Master	Entry point for the Master program.
MasterClient	The master server client side.
MasterInfo	A global view of filesystem in master.
MasterServiceHandler	The Master server program.
MasterWorkerInfo	The structure to store a worker's information in master node.
Pair<First,Second>	A pair representation defined by two elements (of type First and type Second).
PrefixList	Prefix list is used by PinList and WhiteList to do file filtering.
UnderFileSystem	Tachyon stores data into an under layer file system.
UnderFileSystemHdfs	HDFS UnderFilesystem implementation.
UnderFileSystemSingleLocal	Single node UnderFilesystem implementation.
UnderfsUtil	Utilities related to under filesystem
UserInfo	Represent one user in the worker daemon.
Users	Users represents and manages all users contacting to a worker.
Version	The version of the current build.
Worker	Entry point for a worker daemon.
WorkerClient	The client talks to a worker server.
WorkerServiceHandler	WorkerServiceHandler handles all the RPC call to the worker.
WorkerSpaceCounter	The worker space counter, in charge of counting and granting spaces in a worker daemon.
WorkerStorage	The structure to store a worker's information in worker node.

Enum Summary

Enum	Description
InodeType	Different Inodes in Tachyon Filesystem's master.
UnderFileSystem.SpaceType