Package org.apache.hadoop.hdfs.server.namenode

Interface Summary

Interface	Description
AuditLogger	Interface defining an audit logger.
FsImageProto.CacheManagerSectionOrBuilder
FsImageProto.FileSummary.SectionOrBuilder
FsImageProto.FileSummaryOrBuilder
FsImageProto.FilesUnderConstructionSection.FileUnderConstructionEntryOrBuilder
FsImageProto.FilesUnderConstructionSectionOrBuilder
FsImageProto.INodeDirectorySection.DirEntryOrBuilder
FsImageProto.INodeDirectorySectionOrBuilder
FsImageProto.INodeReferenceSection.INodeReferenceOrBuilder
FsImageProto.INodeReferenceSectionOrBuilder
FsImageProto.INodeSection.AclFeatureProtoOrBuilder
FsImageProto.INodeSection.FileUnderConstructionFeatureOrBuilder
FsImageProto.INodeSection.INodeDirectoryOrBuilder
FsImageProto.INodeSection.INodeFileOrBuilder
FsImageProto.INodeSection.INodeOrBuilder
FsImageProto.INodeSection.INodeSymlinkOrBuilder
FsImageProto.INodeSection.QuotaByStorageTypeEntryProtoOrBuilder
FsImageProto.INodeSection.QuotaByStorageTypeFeatureProtoOrBuilder
FsImageProto.INodeSection.XAttrCompactProtoOrBuilder
FsImageProto.INodeSection.XAttrFeatureProtoOrBuilder
FsImageProto.INodeSectionOrBuilder
FsImageProto.NameSystemSectionOrBuilder
FsImageProto.SecretManagerSection.DelegationKeyOrBuilder
FsImageProto.SecretManagerSection.PersistTokenOrBuilder
FsImageProto.SecretManagerSectionOrBuilder
FsImageProto.SnapshotDiffSection.CreatedListEntryOrBuilder
FsImageProto.SnapshotDiffSection.DiffEntryOrBuilder
FsImageProto.SnapshotDiffSection.DirectoryDiffOrBuilder
FsImageProto.SnapshotDiffSection.FileDiffOrBuilder
FsImageProto.SnapshotDiffSectionOrBuilder
FsImageProto.SnapshotSection.SnapshotOrBuilder
FsImageProto.SnapshotSectionOrBuilder
FsImageProto.StringTableSection.EntryOrBuilder
FsImageProto.StringTableSectionOrBuilder
INode.Feature	INode feature such as FileUnderConstructionFeature and DirectoryWithQuotaFeature.
INodeAttributeProvider.AccessControlEnforcer	The AccessControlEnforcer allows implementations to override the default File System permission checking logic enforced on a file system object

Class Summary

Class	Description
CacheManager.PersistState
CachePool.DirectiveList
CancelDelegationTokenServlet	Cancel delegation tokens over http for use in hftp.
Content.Counts	Content counts.
Content.CountsMap	A map of counters for the current state and the snapshots.
ContentCounts	The counter to be computed for content types such as file, directory and symlink, and the storage type usage such as SSD, DISK, ARCHIVE.
ContentCounts.Builder
DefaultINodeAttributesProvider	A default implementation of the INodeAttributesProvider
DirectoryWithQuotaFeature	Quota feature for INodeDirectory.
DirectoryWithQuotaFeature.Builder
EncryptionFaultInjector	Used to inject certain faults for testing.
EncryptionZoneManager	Manages the list of encryption zones in the filesystem.
FSDirAttrOp
FSEditLogLoader.PositionTrackingInputStream	Stream wrapper that keeps track of the current stream position.
FSEditLogOp.OpInstanceCache
FSEditLogOp.Reader	Class for reading editlog ops from a stream
FSEditLogOp.Writer	Class for writing editlog ops
FSImageFormat.Loader	A one-shot class responsible for loading an image.
FSImageFormatPBINode.Loader
FSImageFormatPBINode.Saver
FSImageFormatProtobuf.Loader
FSImageFormatProtobuf.LoaderContext
FSImageFormatProtobuf.Saver
FSImageFormatProtobuf.SaverContext
FSImageFormatProtobuf.SaverContext.DeduplicationMap<E>
FsImageProto
FsImageProto.CacheManagerSection	Protobuf type hadoop.hdfs.fsimage.CacheManagerSection
FsImageProto.CacheManagerSection.Builder	Protobuf type hadoop.hdfs.fsimage.CacheManagerSection
FsImageProto.FileSummary	Protobuf type hadoop.hdfs.fsimage.FileSummary
FsImageProto.FileSummary.Builder	Protobuf type hadoop.hdfs.fsimage.FileSummary
FsImageProto.FileSummary.Section	Protobuf type hadoop.hdfs.fsimage.FileSummary.Section
FsImageProto.FileSummary.Section.Builder	Protobuf type hadoop.hdfs.fsimage.FileSummary.Section
FsImageProto.FilesUnderConstructionSection	Protobuf type hadoop.hdfs.fsimage.FilesUnderConstructionSection
FsImageProto.FilesUnderConstructionSection.Builder	Protobuf type hadoop.hdfs.fsimage.FilesUnderConstructionSection
FsImageProto.FilesUnderConstructionSection.FileUnderConstructionEntry	Protobuf type hadoop.hdfs.fsimage.FilesUnderConstructionSection.FileUnderConstructionEntry
FsImageProto.FilesUnderConstructionSection.FileUnderConstructionEntry.Builder	Protobuf type hadoop.hdfs.fsimage.FilesUnderConstructionSection.FileUnderConstructionEntry
FsImageProto.INodeDirectorySection	Protobuf type hadoop.hdfs.fsimage.INodeDirectorySection
FsImageProto.INodeDirectorySection.Builder	Protobuf type hadoop.hdfs.fsimage.INodeDirectorySection
FsImageProto.INodeDirectorySection.DirEntry	Protobuf type hadoop.hdfs.fsimage.INodeDirectorySection.DirEntry
FsImageProto.INodeDirectorySection.DirEntry.Builder	Protobuf type hadoop.hdfs.fsimage.INodeDirectorySection.DirEntry
FsImageProto.INodeReferenceSection	Protobuf type hadoop.hdfs.fsimage.INodeReferenceSection
FsImageProto.INodeReferenceSection.Builder	Protobuf type hadoop.hdfs.fsimage.INodeReferenceSection
FsImageProto.INodeReferenceSection.INodeReference	Protobuf type hadoop.hdfs.fsimage.INodeReferenceSection.INodeReference
FsImageProto.INodeReferenceSection.INodeReference.Builder	Protobuf type hadoop.hdfs.fsimage.INodeReferenceSection.INodeReference
FsImageProto.INodeSection	Protobuf type hadoop.hdfs.fsimage.INodeSection
FsImageProto.INodeSection.AclFeatureProto	Protobuf type hadoop.hdfs.fsimage.INodeSection.AclFeatureProto
FsImageProto.INodeSection.AclFeatureProto.Builder	Protobuf type hadoop.hdfs.fsimage.INodeSection.AclFeatureProto
FsImageProto.INodeSection.Builder	Protobuf type hadoop.hdfs.fsimage.INodeSection
FsImageProto.INodeSection.FileUnderConstructionFeature	Protobuf type hadoop.hdfs.fsimage.INodeSection.FileUnderConstructionFeature
FsImageProto.INodeSection.FileUnderConstructionFeature.Builder	Protobuf type hadoop.hdfs.fsimage.INodeSection.FileUnderConstructionFeature
FsImageProto.INodeSection.INode	Protobuf type hadoop.hdfs.fsimage.INodeSection.INode
FsImageProto.INodeSection.INode.Builder	Protobuf type hadoop.hdfs.fsimage.INodeSection.INode
FsImageProto.INodeSection.INodeDirectory	Protobuf type hadoop.hdfs.fsimage.INodeSection.INodeDirectory
FsImageProto.INodeSection.INodeDirectory.Builder	Protobuf type hadoop.hdfs.fsimage.INodeSection.INodeDirectory
FsImageProto.INodeSection.INodeFile	Protobuf type hadoop.hdfs.fsimage.INodeSection.INodeFile
FsImageProto.INodeSection.INodeFile.Builder	Protobuf type hadoop.hdfs.fsimage.INodeSection.INodeFile
FsImageProto.INodeSection.INodeSymlink	Protobuf type hadoop.hdfs.fsimage.INodeSection.INodeSymlink
FsImageProto.INodeSection.INodeSymlink.Builder	Protobuf type hadoop.hdfs.fsimage.INodeSection.INodeSymlink
FsImageProto.INodeSection.QuotaByStorageTypeEntryProto	Protobuf type hadoop.hdfs.fsimage.INodeSection.QuotaByStorageTypeEntryProto
FsImageProto.INodeSection.QuotaByStorageTypeEntryProto.Builder	Protobuf type hadoop.hdfs.fsimage.INodeSection.QuotaByStorageTypeEntryProto
FsImageProto.INodeSection.QuotaByStorageTypeFeatureProto	Protobuf type hadoop.hdfs.fsimage.INodeSection.QuotaByStorageTypeFeatureProto
FsImageProto.INodeSection.QuotaByStorageTypeFeatureProto.Builder	Protobuf type hadoop.hdfs.fsimage.INodeSection.QuotaByStorageTypeFeatureProto
FsImageProto.INodeSection.XAttrCompactProto	Protobuf type hadoop.hdfs.fsimage.INodeSection.XAttrCompactProto
FsImageProto.INodeSection.XAttrCompactProto.Builder	Protobuf type hadoop.hdfs.fsimage.INodeSection.XAttrCompactProto
FsImageProto.INodeSection.XAttrFeatureProto	Protobuf type hadoop.hdfs.fsimage.INodeSection.XAttrFeatureProto
FsImageProto.INodeSection.XAttrFeatureProto.Builder	Protobuf type hadoop.hdfs.fsimage.INodeSection.XAttrFeatureProto
FsImageProto.NameSystemSection	Protobuf type hadoop.hdfs.fsimage.NameSystemSection
FsImageProto.NameSystemSection.Builder	Protobuf type hadoop.hdfs.fsimage.NameSystemSection
FsImageProto.SecretManagerSection	Protobuf type hadoop.hdfs.fsimage.SecretManagerSection
FsImageProto.SecretManagerSection.Builder	Protobuf type hadoop.hdfs.fsimage.SecretManagerSection
FsImageProto.SecretManagerSection.DelegationKey	Protobuf type hadoop.hdfs.fsimage.SecretManagerSection.DelegationKey
FsImageProto.SecretManagerSection.DelegationKey.Builder	Protobuf type hadoop.hdfs.fsimage.SecretManagerSection.DelegationKey
FsImageProto.SecretManagerSection.PersistToken	Protobuf type hadoop.hdfs.fsimage.SecretManagerSection.PersistToken
FsImageProto.SecretManagerSection.PersistToken.Builder	Protobuf type hadoop.hdfs.fsimage.SecretManagerSection.PersistToken
FsImageProto.SnapshotDiffSection	Protobuf type hadoop.hdfs.fsimage.SnapshotDiffSection
FsImageProto.SnapshotDiffSection.Builder	Protobuf type hadoop.hdfs.fsimage.SnapshotDiffSection
FsImageProto.SnapshotDiffSection.CreatedListEntry	Protobuf type hadoop.hdfs.fsimage.SnapshotDiffSection.CreatedListEntry
FsImageProto.SnapshotDiffSection.CreatedListEntry.Builder	Protobuf type hadoop.hdfs.fsimage.SnapshotDiffSection.CreatedListEntry
FsImageProto.SnapshotDiffSection.DiffEntry	Protobuf type hadoop.hdfs.fsimage.SnapshotDiffSection.DiffEntry
FsImageProto.SnapshotDiffSection.DiffEntry.Builder	Protobuf type hadoop.hdfs.fsimage.SnapshotDiffSection.DiffEntry
FsImageProto.SnapshotDiffSection.DirectoryDiff	Protobuf type hadoop.hdfs.fsimage.SnapshotDiffSection.DirectoryDiff
FsImageProto.SnapshotDiffSection.DirectoryDiff.Builder	Protobuf type hadoop.hdfs.fsimage.SnapshotDiffSection.DirectoryDiff
FsImageProto.SnapshotDiffSection.FileDiff	Protobuf type hadoop.hdfs.fsimage.SnapshotDiffSection.FileDiff
FsImageProto.SnapshotDiffSection.FileDiff.Builder	Protobuf type hadoop.hdfs.fsimage.SnapshotDiffSection.FileDiff
FsImageProto.SnapshotSection	Protobuf type hadoop.hdfs.fsimage.SnapshotSection
FsImageProto.SnapshotSection.Builder	Protobuf type hadoop.hdfs.fsimage.SnapshotSection
FsImageProto.SnapshotSection.Snapshot	Protobuf type hadoop.hdfs.fsimage.SnapshotSection.Snapshot
FsImageProto.SnapshotSection.Snapshot.Builder	Protobuf type hadoop.hdfs.fsimage.SnapshotSection.Snapshot
FsImageProto.StringTableSection	Protobuf type hadoop.hdfs.fsimage.StringTableSection
FsImageProto.StringTableSection.Builder	Protobuf type hadoop.hdfs.fsimage.StringTableSection
FsImageProto.StringTableSection.Entry	Protobuf type hadoop.hdfs.fsimage.StringTableSection.Entry
FsImageProto.StringTableSection.Entry.Builder	Protobuf type hadoop.hdfs.fsimage.StringTableSection.Entry
GetDelegationTokenServlet	Serve delegation tokens over http for use in hftp.
HdfsAuditLogger	Extension of AuditLogger.
INode.BlocksMapUpdateInfo	Information used for updating the blocksMap when deleting files.
INode.BlocksMapUpdateInfo.UpdatedReplicationInfo	The blocks whose replication factor need to be updated.
INode.QuotaDelta	Information used to record quota usage delta.
INode.ReclaimContext	Context object to record blocks and inodes that need to be reclaimed
INodeAttributeProvider
INodeAttributes.SnapshotCopy	A read-only copy of the inode attributes.
INodeDirectory	Directory INode class.
INodeDirectory.SnapshotAndINode	A pair of Snapshot and INode objects.
INodeDirectoryAttributes.CopyWithQuota
INodeDirectoryAttributes.SnapshotCopy	A copy of the inode directory attributes
INodeFileAttributes.SnapshotCopy	A copy of the inode file attributes
INodeMap	Storing all the INodes and maintaining the mapping between INode ID and INode.
INodeReference	An anonymous reference to an inode.
INodeReference.DstReference
INodeReference.WithCount	An anonymous reference with reference count.
INodeReference.WithName	A reference with a fixed name.
INodesInPath	Contains INodes information resolved from a given path.
JournalSet	Manages a collection of Journals.
NNStorageRetentionManager	The NNStorageRetentionManager is responsible for inspecting the storage directories of the NN and enforcing a retention policy on checkpoints and edit logs.
NNUpgradeUtil
Quota.Counts	Counters for quota counts.
QuotaByStorageTypeEntry
QuotaByStorageTypeEntry.Builder
QuotaCounts	Counters for namespace, storage space and storage type space quota and usage.
QuotaCounts.Builder
RenewDelegationTokenServlet	Renew delegation tokens over http for use in hftp.
StoragePolicySummary	Aggregate the storage type information for a set of blocks

Enum Summary

Enum	Description
AclEntryStatusFormat	Class to pack an AclEntry into an integer.
Content	The content types such as file, directory and symlink to be computed.
Content.CountsMap.Key	The key type of the map.
FSDirectory.DirOp
FSImageFormatProtobuf.SectionName	Supported section name.
FsImageProto.INodeSection.INode.Type	Protobuf enum hadoop.hdfs.fsimage.INodeSection.INode.Type
FsImageProto.SnapshotDiffSection.DiffEntry.Type	Protobuf enum hadoop.hdfs.fsimage.SnapshotDiffSection.DiffEntry.Type
NameNode.OperationCategory	Categories of operations supported by the namenode.
NameNodeLayoutVersion.Feature	Enums for features that change the layout version.
NNStorage.NameNodeDirType	Implementation of StorageDirType specific to namenode storage A Storage directory could be of type IMAGE which stores only fsimage, or of type EDITS which stores edits or of type IMAGE_AND_EDITS which stores both fsimage and edits.
NNStorage.NameNodeFile
Quota	Quota types.

Exception Summary

Exception	Description
JournalManager.CorruptionException	Indicate that a journal is cannot be used to load a certain range of edits.
MetaRecoveryContext.RequestStopException	Exception thrown when the user has requested processing to stop.
TransferFsImage.HttpGetFailedException
TransferFsImage.HttpPutFailedException