Safe Haskell	None
Language	Haskell2010

Data.Hadoop.Protobuf.Hdfs

Synopsis

Documentation

data ContentSummary Source

Summary of a file or directory

Constructors

ContentSummary
Fields csLength :: Required 1 (Value Word64) csFileCount :: Required 2 (Value Word64) csDirectoryCount :: Required 3 (Value Word64) csQuota :: Required 4 (Value Word64) csSpaceConsumed :: Required 5 (Value Word64) csSpaceQuota :: Required 6 (Value Word64)

Instances

Show ContentSummary
Generic ContentSummary
Decode ContentSummary
Encode ContentSummary
type Rep ContentSummary

data DirectoryListing Source

Directory listing.

Constructors

DirectoryListing
Fields dlPartialListing :: Repeated 1 (Message FileStatus) dlRemaingEntries :: Required 2 (Value Word32)

Instances

Show DirectoryListing
Generic DirectoryListing
Decode DirectoryListing
Encode DirectoryListing
type Rep DirectoryListing

data FileStatus Source

Status of a file, directory or symbolic link. Optionally includes a files block locations if requested by client on the RPC call.

Constructors

FileStatus

Fields

fsFileType :: Required 1 (Enumeration FileType)
fsPath :: Required 2 (Value ByteString): local name of inode (encoded java utf8)
fsLength :: Required 3 (Value Word64)
fsPermission :: Required 4 (Message FilePermission)
fsOwner :: Required 5 (Value Text)
fsGroup :: Required 6 (Value Text)
fsModificationTime :: Required 7 (Value Word64)
fsAccessTime :: Required 8 (Value Word64)
fsSymLink :: Optional 9 (Value ByteString): if symlink, target (encoded java utf8)
fsBlockReplication :: Optional 10 (Value Word32): default = 0, only 16bits used
fsBlockSize :: Optional 11 (Value Word64): default = 0
fsLocations :: Optional 12 (Message LocatedBlocks): supplied only if asked by client

Instances

Show FileStatus
Generic FileStatus
Decode FileStatus
Encode FileStatus
type Rep FileStatus

data FileType Source

The type of a file (either directory, file or symbolic link)

Constructors

IS_DIR
IS_FILE
IS_SYMLINK

Instances

Enum FileType
Eq FileType
Show FileType
Generic FileType
type Rep FileType

data ChecksumType Source

Constructors

CHECKSUM_NULL
CHECKSUM_CRC32
CHECKSUM_CRC32C

Instances

Enum ChecksumType
Eq ChecksumType
Show ChecksumType
Generic ChecksumType
Decode ChecksumType
Encode ChecksumType
type Rep ChecksumType

data FilePermission Source

File or directory permission, same spec as POSIX.

Constructors

FilePermission
Fields fpPerm :: Required 1 (Value Word32) actually a short, only 16 bits used

Instances

Show FilePermission
Generic FilePermission
Decode FilePermission
Encode FilePermission
type Rep FilePermission

data LocatedBlocks Source

A set of file blocks and their locations.

Constructors

LocatedBlocks
Fields lbFileLength :: Required 1 (Value Word64) lbBlocks :: Repeated 2 (Message LocatedBlock) lbUnderConstruction :: Required 3 (Value Bool) lbLastBlock :: Optional 4 (Message LocatedBlock) lbLastBlockComplete :: Required 5 (Value Bool)

Instances

Show LocatedBlocks
Generic LocatedBlocks
Decode LocatedBlocks
Encode LocatedBlocks
type Rep LocatedBlocks

data LocatedBlock Source

Information about a block and its location.

Constructors

LocatedBlock

Fields

lbExtended :: Required 1 (Message ExtendedBlock)
lbOffset :: Required 2 (Value Word64): offset of first byte of block in the file
lbLocations :: Repeated 3 (Message DataNodeInfo): locations ordered by proximity to client IP
lbCorrupt :: Required 4 (Value Bool): True if all replicas of a block are corrupt. If the block has a few corrupt replicas, they are filtered and their locations are not part of this object.
lbToken :: Required 5 (Message Token)

Instances

Show LocatedBlock
Generic LocatedBlock
Decode LocatedBlock
Encode LocatedBlock
type Rep LocatedBlock

data ExtendedBlock Source

Identifies a block.

Constructors

ExtendedBlock
Fields ebPoolId :: Required 1 (Value Text) block pool id - globally unique across clusters ebBlockId :: Required 2 (Value Word64) the local id within a pool ebGenerationStamp :: Required 3 (Value Word64) ebNumBytes :: Optional 4 (Value Word64) does not belong, here for historical reasons

Instances

Show ExtendedBlock
Generic ExtendedBlock
Decode ExtendedBlock
Encode ExtendedBlock
type Rep ExtendedBlock

data DataNodeInfo Source

Status of a data node.

Constructors

DataNodeInfo

Fields

dnId :: Required 1 (Message DataNodeId)
dnCapacity :: Optional 2 (Value Word64): default = 0
dnDfsUsed :: Optional 3 (Value Word64): default = 0
dnRemaining :: Optional 4 (Value Word64): default = 0
dnBlockPoolUsed :: Optional 5 (Value Word64): default = 0
dnLastUpdate :: Optional 6 (Value Word64): default = 0
dnXceiverCount :: Optional 7 (Value Word32): default = 0
dnLocation :: Optional 8 (Value Text)
dnAdminState :: Optional 9 (Enumeration AdminState): default = NORMAL

Instances

Show DataNodeInfo
Generic DataNodeInfo
Decode DataNodeInfo
Encode DataNodeInfo
type Rep DataNodeInfo

data AdminState Source

Constructors

NORMAL
DECOMMISSION_INPROGRESS
DECOMMISSIONED

Instances

Enum AdminState
Eq AdminState
Show AdminState
Generic AdminState
type Rep AdminState

data DataNodeId Source

Identifies a data node

Constructors

DataNodeId
Fields dnIpAddr :: Required 1 (Value Text) IP address dnHostName :: Required 2 (Value Text) Host name dnStorageId :: Required 3 (Value Text) Storage ID dnXferPort :: Required 4 (Value Word32) Data streaming port dnInfoPort :: Required 5 (Value Word32) Info server port dnIpcPort :: Required 6 (Value Word32) IPC server port

Instances

Show DataNodeId
Generic DataNodeId
Decode DataNodeId
Encode DataNodeId
type Rep DataNodeId