Uses of Interface
alluxio.master.journal.checkpoint.Checkpointed

Packages that use Checkpointed

Package	Description
alluxio.master
alluxio.master.block
alluxio.master.file
alluxio.master.file.meta
alluxio.master.job
alluxio.master.journal
alluxio.master.journal.raft
alluxio.master.meta
alluxio.master.metastore
alluxio.master.metastore.caching
alluxio.master.metastore.heap
alluxio.master.metastore.rocks
alluxio.master.metrics
alluxio.master.scheduler
alluxio.rocks
alluxio.underfs

Uses of Checkpointed in alluxio.master

Subinterfaces of Checkpointed in alluxio.master

Modifier and Type	Interface and Description
interface	Master This interface contains common operations for all masters.

Classes in alluxio.master that implement Checkpointed

Modifier and Type	Class and Description
class	AbstractMaster This is the base class for all masters, and contains common functionality.
class	CoreMaster Abstract class for masters that run in the core master process.
class	NoopMaster Master implementation that does nothing.

Uses of Checkpointed in alluxio.master.block

Subinterfaces of Checkpointed in alluxio.master.block

Modifier and Type	Interface and Description
interface	BlockMaster Interface of the block master that manages the metadata for all the blocks and block workers in Alluxio.

Classes in alluxio.master.block that implement Checkpointed

Modifier and Type	Class and Description
class	DefaultBlockMaster This block master manages the metadata for all the blocks and block workers in Alluxio.
class	DefaultBlockMasterContainerIdJournaled Writes a single journal - essential to the DefaultBlockMaster - entry to a checkpoint.

Uses of Checkpointed in alluxio.master.file

Subinterfaces of Checkpointed in alluxio.master.file

Modifier and Type	Interface and Description
interface	FileSystemMaster The interface of file system master service.

Classes in alluxio.master.file that implement Checkpointed

Modifier and Type	Class and Description
class	DefaultFileSystemMaster The master that handles all file system metadata management.

Uses of Checkpointed in alluxio.master.file.meta

Classes in alluxio.master.file.meta that implement Checkpointed

Modifier and Type	Class and Description
class	CheckpointedIdHashSet A concurrent hash set of Long values that supports writing to and restoring from checkpoints.
class	InodeCounter A checkpointed long adder.
class	InodeDirectoryIdGenerator Inode id management for directory inodes.
class	InodeTree Represents the tree of Inodes.
class	InodeTreePersistentState Class for managing persistent inode tree state.
class	MountTable This class is used for keeping track of Alluxio mount points.
class	MountTable.State Persistent mount table state.
class	PinnedInodeFileIds Keeps track of which files are pinned.
class	ReplicationLimitedFileIds Keeps track of which files have limited replication factors.
class	ToBePersistedFileIds Keeps track of which files are in the TO_BE_PERSISTED persistence state.
class	TtlBucketList A list of non-empty TtlBuckets sorted by ttl interval start time of each bucket.

Uses of Checkpointed in alluxio.master.job

Classes in alluxio.master.job that implement Checkpointed

Modifier and Type	Class and Description
class	JobMaster The master that handles all job managing operations.

Uses of Checkpointed in alluxio.master.journal

Subinterfaces of Checkpointed in alluxio.master.journal

Modifier and Type	Interface and Description
interface	DelegatingJournaled Convenient interface for classes which delegate their journaling methods to another journaled object.
interface	Journaled Interface for classes with journaled state.
interface	JournalMaster Interface for journal master implementations.
interface	NoopJournaled Interface providing default implementations which do nothing.

Classes in alluxio.master.journal that implement Checkpointed

Modifier and Type	Class and Description
class	DefaultJournalMaster Default implementation for JournalMaster.
class	JournaledGroup Convenience class which groups together multiple Journaled components as a single Journaled component.
class	SingleEntryJournaled Journaled component responsible for journaling a single journal entry.

Method parameters in alluxio.master.journal with type arguments of type Checkpointed

Modifier and Type	Method and Description
static void	JournalUtils.restoreFromCheckpoint(CheckpointInputStream input, List<? extends Checkpointed> components) Restores the given checkpointed components from a composite checkpoint.
static void	JournalUtils.writeToCheckpoint(OutputStream output, List<? extends Checkpointed> components) Writes a composite checkpoint for the given checkpointed components.

Uses of Checkpointed in alluxio.master.journal.raft

Classes in alluxio.master.journal.raft that implement Checkpointed

Modifier and Type	Class and Description
class	SnapshotIdJournaled Simple implementation to write and recover the snapshot ID when checkpointing.

Uses of Checkpointed in alluxio.master.meta

Subinterfaces of Checkpointed in alluxio.master.meta

Modifier and Type	Interface and Description
interface	MetaMaster The interface of meta master.

Classes in alluxio.master.meta that implement Checkpointed

Modifier and Type	Class and Description
class	DefaultMetaMaster The default meta master.
static class	DefaultMetaMaster.State Journaled state for MetaMaster.
class	PathProperties Source of truth for path level properties.
static class	PathProperties.State Journaled state of path level properties.

Uses of Checkpointed in alluxio.master.metastore

Subinterfaces of Checkpointed in alluxio.master.metastore

Modifier and Type	Interface and Description
interface	InodeStore Inode metadata storage.

Uses of Checkpointed in alluxio.master.metastore.caching

Classes in alluxio.master.metastore.caching that implement Checkpointed

Modifier and Type	Class and Description
class	CachingInodeStore An inode store which caches inode tree metadata and delegates to another inode store for cache misses.

Uses of Checkpointed in alluxio.master.metastore.heap

Classes in alluxio.master.metastore.heap that implement Checkpointed

Modifier and Type	Class and Description
class	HeapInodeStore FileStore implementation using on-heap data structures.

Uses of Checkpointed in alluxio.master.metastore.rocks

Classes in alluxio.master.metastore.rocks that implement Checkpointed

Modifier and Type	Class and Description
class	RocksBlockMetaStore Block store backed by RocksDB.
class	RocksInodeStore File store backed by RocksDB.

Uses of Checkpointed in alluxio.master.metrics

Subinterfaces of Checkpointed in alluxio.master.metrics

Modifier and Type	Interface and Description
interface	MetricsMaster Interface of the metrics master that aggregates the cluster-level metrics from workers and clients.

Classes in alluxio.master.metrics that implement Checkpointed

Modifier and Type	Class and Description
class	DefaultMetricsMaster Default implementation of the metrics master.

Uses of Checkpointed in alluxio.master.scheduler

Classes in alluxio.master.scheduler that implement Checkpointed

Modifier and Type	Class and Description
class	JournaledJobMetaStore A journaled job meta store.

Uses of Checkpointed in alluxio.rocks

Subinterfaces of Checkpointed in alluxio.rocks

Modifier and Type	Interface and Description
interface	RocksCheckpointed Provides default implementations for checkpointing RocksDB databases.

Uses of Checkpointed in alluxio.underfs

Classes in alluxio.underfs that implement Checkpointed

Modifier and Type	Class and Description
class	MasterUfsManager A class that manages the UFS for master servers.