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Integer.MAX_VALUE
,
otherwise, return Integer.MAX_VALUE
.
DistributedFileSystem
class to communicate
with the NameNode.ClientProtocol.concat(String, String [])
.
DFSClient.create(String, boolean, short, long, Progressable)
with
default replication
and blockSize and null
progress
.
- create(String, boolean, Progressable) -
Method in class org.apache.hadoop.hdfs.DFSClient
- Call
DFSClient.create(String, boolean, short, long, Progressable)
with
default replication
and blockSize.
- create(String, boolean, short, long) -
Method in class org.apache.hadoop.hdfs.DFSClient
- Call
DFSClient.create(String, boolean, short, long, Progressable)
with
null progress
.
- create(String, boolean, short, long, Progressable) -
Method in class org.apache.hadoop.hdfs.DFSClient
- Call
DFSClient.create(String, boolean, short, long, Progressable, int)
with default bufferSize.
- create(String, boolean, short, long, Progressable, int) -
Method in class org.apache.hadoop.hdfs.DFSClient
- Call
DFSClient.create(String, FsPermission, EnumSet, short, long,
Progressable, int)
with default permission
FsPermission.getDefault()
.
- create(String, FsPermission, EnumSet<CreateFlag>, short, long, Progressable, int) -
Method in class org.apache.hadoop.hdfs.DFSClient
- Call
DFSClient.create(String, FsPermission, EnumSet, boolean, short,
long, Progressable, int)
with createParent
set to true.
- create(String, FsPermission, EnumSet<CreateFlag>, boolean, short, long, Progressable, int) -
Method in class org.apache.hadoop.hdfs.DFSClient
- Create a new dfs file with the specified block replication
with write-progress reporting and return an output stream for writing
into the file.
- create(Path, FsPermission, boolean, int, short, long, Progressable) -
Method in class org.apache.hadoop.hdfs.DistributedFileSystem
-
- create(Path, FsPermission, boolean, int, short, long, Progressable) -
Method in class org.apache.hadoop.hdfs.HftpFileSystem
-
- create(String, FsPermission, String, EnumSetWritable<CreateFlag>, boolean, short, long) -
Method in interface org.apache.hadoop.hdfs.protocol.ClientProtocol
- Create a new file entry in the namespace.
- create(String, FsPermission, String, EnumSetWritable<CreateFlag>, boolean, short, long) -
Method in class org.apache.hadoop.hdfs.server.namenode.NameNode
- Create a new file entry in the namespace.
- createDataNode(String[], Configuration) -
Static method in class org.apache.hadoop.hdfs.server.datanode.DataNode
- Instantiate & Start a single datanode daemon and wait for it to finish.
- createDataNode(String[], Configuration, SecureDataNodeStarter.SecureResources) -
Static method in class org.apache.hadoop.hdfs.server.datanode.DataNode
- Instantiate & Start a single datanode daemon and wait for it to finish.
- createIdentifier() -
Method in class org.apache.hadoop.hdfs.security.token.block.BlockTokenSecretManager
- Create an empty block token identifier
- createIdentifier() -
Method in class org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSecretManager
-
- createInterDataNodeProtocolProxy(DatanodeID, Configuration, int) -
Static method in class org.apache.hadoop.hdfs.server.datanode.DataNode
-
- createInternal(Path, EnumSet<CreateFlag>, FsPermission, int, short, long, Progressable, int, boolean) -
Method in class org.apache.hadoop.fs.Hdfs
-
- createNamenode(Configuration) -
Static method in class org.apache.hadoop.hdfs.DFSClient
- The locking hierarchy is to first acquire lock on DFSClient object, followed by
lock on leasechecker, followed by lock on an individual DFSOutputStream.
- createNamenode(InetSocketAddress, Configuration) -
Static method in class org.apache.hadoop.hdfs.DFSClient
-
- createNameNode(String[], Configuration) -
Static method in class org.apache.hadoop.hdfs.server.namenode.NameNode
-
- createNonRecursive(Path, FsPermission, EnumSet<CreateFlag>, int, short, long, Progressable) -
Method in class org.apache.hadoop.hdfs.DistributedFileSystem
- Same as create(), except fails if parent directory doesn't already exist.
- createPassword(BlockTokenIdentifier) -
Method in class org.apache.hadoop.hdfs.security.token.block.BlockTokenSecretManager
- Create a new password/secret for the given block token identifier.
- createRbw(Block) -
Method in class org.apache.hadoop.hdfs.server.datanode.FSDataset
-
- createRbw(Block) -
Method in interface org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface
- Creates a RBW replica and returns the meta info of the replica
- createSocketAddr(String) -
Static method in class org.apache.hadoop.hdfs.server.datanode.DataNode
- Deprecated.
- createSymlink(Path, Path, boolean) -
Method in class org.apache.hadoop.fs.Hdfs
-
- createSymlink(String, String, boolean) -
Method in class org.apache.hadoop.hdfs.DFSClient
- Creates a symbolic link.
- createSymlink(String, String, FsPermission, boolean) -
Method in interface org.apache.hadoop.hdfs.protocol.ClientProtocol
- Create symlink to a file or directory.
- createSymlink(String, String, PermissionStatus, boolean) -
Method in class org.apache.hadoop.hdfs.server.namenode.FSNamesystem
- Create a symbolic link.
- createSymlink(String, String, FsPermission, boolean) -
Method in class org.apache.hadoop.hdfs.server.namenode.NameNode
-
- createTemporary(Block) -
Method in class org.apache.hadoop.hdfs.server.datanode.FSDataset
-
- createTemporary(Block) -
Method in interface org.apache.hadoop.hdfs.server.datanode.FSDatasetInterface
- Creates a temporary replica and returns the meta information of the replica
- createTitle(JspWriter, HttpServletRequest, String) -
Static method in class org.apache.hadoop.hdfs.server.common.JspHelper
-
- createUri(String, HdfsFileStatus, UserGroupInformation, ClientProtocol, HttpServletRequest, String) -
Method in class org.apache.hadoop.hdfs.server.namenode.FileDataServlet
- Create a redirection URI
- cTime -
Variable in class org.apache.hadoop.hdfs.server.common.StorageInfo
-
- CURRENT_CONF -
Static variable in class org.apache.hadoop.hdfs.server.common.JspHelper
-
- currentUpgrades -
Variable in class org.apache.hadoop.hdfs.server.common.UpgradeManager
-
ClientProtocol.delete(String, boolean)
istead.
UTF8
.FSDataInputStream
FsStatus
insteadBlockListAsLongs.BlockReportIterator
.
datanode
whose total size equals size
.
ContentSummary
rooted at the specified directory.
ContentSummary
rooted at the specified directory.
current
contains latest files defining
the file system meta-data.
DistributedFileSystem.getDelegationToken(String)
FileSystem.getStatus()
instead
SecondaryNameNode
finalized.tmp
is a transient directory, which holds
the previous
file system state while it is being removed
in response to the finalize request.
lastcheckpoint.tmp
is a transient directory, which holds
current file system state while the new state is saved into the new
current
during regular namespace updates.
previous.checkpoint
is a directory, which holds the previous
(before the last save) state of the storage directory.
previous
contains the previous file system state,
which the system can be rolled back to.
previous.tmp
is a transient directory, which holds
current file system state while the new state is saved into the new
current
during upgrade.
VERSION
from the previous
directory.
FileSystem.getStatus()
instead
FileSystem.getStatus()
instead
removed.tmp
is a transient directory, which holds
current file system state while the previous state is moved into
current
during rollback.
FSDataset.fetchReplicaInfo(long)
instead.
LayoutVersion
information.
UserGroupInformation
and possibly the delegation token out of
the request.
VERSION
contains the following fields:
node type
layout version
namespaceID
fs state creation time
other fields specific for this node type
The version file is always written last during storage directory updates.
GSet
is set,
which supports the GSet.get(Object)
operation.GSet
implementation by HashMap
.PolicyProvider
for HDFS protocols.LayoutVersion
on adding new layout version.
GSet
implementation,
which uses an array for storing the elements
and linked lists for collision resolution.LightWeightGSet
.current
to lastcheckpoint.tmp
and
recreate empty current
.
lastcheckpoint.tmp
to previous.checkpoint
DFSClient.open(String, int, boolean)
instead.
FileSystem
.DFSClient.create(String, FsPermission, EnumSet, short, long,
Progressable, int)
except that the permission
is absolute (ie has already been masked with umask.
DFSClient.mkdirs(String, FsPermission, boolean)
except
that the permissions has already been masked against umask.
NameNode
.
NameNode
.
NameNode
.
DFSClient.rename(String, String, Options.Rename...)
instead.
ClientProtocol.rename(String, String, Options.Rename...)
instead.
ClientProtocol.reportBadBlocks(LocatedBlock[])
}
SecondaryNameNode
SecondaryNameNode
current
directory.
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