HDFS-6119. FSNamesystem code cleanup. Contributed by Suresh Srinivas.
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1582073 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Suresh Srinivas
parent
14556cc5d8
commit
78b9321539
|
|
@ -264,6 +264,8 @@ Release 2.5.0 - UNRELEASED
|
|||
HDFS-6155. Fix Boxing/unboxing to parse a primitive findbugs warnings.
|
||||
(suresh)
|
||||
|
||||
HDFS-6119. FSNamesystem code cleanup. (suresh)
|
||||
|
||||
OPTIMIZATIONS
|
||||
|
||||
BUG FIXES
|
||||
|
|
|
|||
|
|
@ -951,8 +951,6 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
|
||||
/**
|
||||
* Start services common to both active and standby states
|
||||
* @param haContext
|
||||
* @throws IOException
|
||||
*/
|
||||
void startCommonServices(Configuration conf, HAContext haContext) throws IOException {
|
||||
this.registerMBean(); // register the MBean for the FSNamesystemState
|
||||
|
|
@ -979,7 +977,6 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
|
||||
/**
|
||||
* Stop services common to both active and standby states
|
||||
* @throws IOException
|
||||
*/
|
||||
void stopCommonServices() {
|
||||
writeLock();
|
||||
|
|
@ -1092,7 +1089,6 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
|
||||
/**
|
||||
* Stop services required in active state
|
||||
* @throws InterruptedException
|
||||
*/
|
||||
void stopActiveServices() {
|
||||
LOG.info("Stopping services started for active state");
|
||||
|
|
@ -1340,7 +1336,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
|
||||
/**
|
||||
* Returns edit directories that are shared between primary and secondary.
|
||||
* @param conf
|
||||
* @param conf configuration
|
||||
* @return Collection of edit directories.
|
||||
*/
|
||||
public static List<URI> getSharedEditsDirs(Configuration conf) {
|
||||
|
|
@ -1772,13 +1768,13 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
}
|
||||
|
||||
/**
|
||||
* Moves all the blocks from srcs and appends them to trg
|
||||
* To avoid rollbacks we will verify validitity of ALL of the args
|
||||
* Moves all the blocks from {@code srcs} and appends them to {@code target}
|
||||
* To avoid rollbacks we will verify validity of ALL of the args
|
||||
* before we start actual move.
|
||||
*
|
||||
* This does not support ".inodes" relative path
|
||||
* @param target
|
||||
* @param srcs
|
||||
* @param target target file path to concatenate into
|
||||
* @param srcs files that are concatenated
|
||||
* @throws IOException
|
||||
*/
|
||||
void concat(String target, String [] srcs)
|
||||
|
|
@ -1788,7 +1784,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
return; // Return previous response
|
||||
}
|
||||
|
||||
// Either there is no previous request in progres or it has failed
|
||||
// Either there is no previous request in progress or it has failed
|
||||
if(FSNamesystem.LOG.isDebugEnabled()) {
|
||||
FSNamesystem.LOG.debug("concat " + Arrays.toString(srcs) +
|
||||
" to " + target);
|
||||
|
|
@ -1913,7 +1909,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
|
||||
// check replication and blocks size
|
||||
if(repl != srcInode.getBlockReplication()) {
|
||||
throw new HadoopIllegalArgumentException("concat: the soruce file "
|
||||
throw new HadoopIllegalArgumentException("concat: the source file "
|
||||
+ src + " and the target file " + target
|
||||
+ " should have the same replication: source replication is "
|
||||
+ srcInode.getBlockReplication()
|
||||
|
|
@ -1928,7 +1924,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
if(endSrc)
|
||||
idx = srcBlocks.length-2; // end block of endSrc is OK not to be full
|
||||
if(idx >= 0 && srcBlocks[idx].getNumBytes() != blockSize) {
|
||||
throw new HadoopIllegalArgumentException("concat: the soruce file "
|
||||
throw new HadoopIllegalArgumentException("concat: the source file "
|
||||
+ src + " and the target file " + target
|
||||
+ " should have the same blocks sizes: target block size is "
|
||||
+ blockSize + " but the size of source block " + idx + " is "
|
||||
|
|
@ -2166,12 +2162,8 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
* Create a new file entry in the namespace.
|
||||
*
|
||||
* For description of parameters and exceptions thrown see
|
||||
* {@link ClientProtocol#create()}, except it returns valid file status upon
|
||||
* {@link ClientProtocol#create}, except it returns valid file status upon
|
||||
* success
|
||||
*
|
||||
* For retryCache handling details see -
|
||||
* {@link #getFileStatus(boolean, CacheEntryWithPayload)}
|
||||
*
|
||||
*/
|
||||
HdfsFileStatus startFile(String src, PermissionStatus permissions,
|
||||
String holder, String clientMachine, EnumSet<CreateFlag> flag,
|
||||
|
|
@ -2257,10 +2249,10 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
* Create a new file or overwrite an existing file<br>
|
||||
*
|
||||
* Once the file is create the client then allocates a new block with the next
|
||||
* call using {@link NameNode#addBlock()}.
|
||||
* call using {@link ClientProtocol#addBlock}.
|
||||
* <p>
|
||||
* For description of parameters and exceptions thrown see
|
||||
* {@link ClientProtocol#create()}
|
||||
* {@link ClientProtocol#create}
|
||||
*/
|
||||
private void startFileInternal(FSPermissionChecker pc, String src,
|
||||
PermissionStatus permissions, String holder, String clientMachine,
|
||||
|
|
@ -2345,7 +2337,8 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
* which can still be used for writing more data. The client uses the returned
|
||||
* block locations to form the data pipeline for this block.<br>
|
||||
* The method returns null if the last block is full. The client then
|
||||
* allocates a new block with the next call using {@link NameNode#addBlock()}.
|
||||
* allocates a new block with the next call using
|
||||
* {@link ClientProtocol#addBlock}.
|
||||
* <p>
|
||||
*
|
||||
* For description of parameters and exceptions thrown see
|
||||
|
|
@ -2848,7 +2841,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
return lBlk;
|
||||
}
|
||||
|
||||
/** @see NameNode#getAdditionalDatanode(String, ExtendedBlock, DatanodeInfo[], DatanodeInfo[], int, String) */
|
||||
/** @see ClientProtocol#getAdditionalDatanode */
|
||||
LocatedBlock getAdditionalDatanode(String src, final ExtendedBlock blk,
|
||||
final DatanodeInfo[] existings, final String[] storageIDs,
|
||||
final Set<Node> excludes,
|
||||
|
|
@ -3054,7 +3047,9 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
*
|
||||
* @param src path to the file
|
||||
* @param inodesInPath representing each of the components of src.
|
||||
* The last INode is the INode for the file.
|
||||
* The last INode is the INode for {@code src} file.
|
||||
* @param newBlock newly allocated block to be save
|
||||
* @param targets target datanodes where replicas of the new block is placed
|
||||
* @throws QuotaExceededException If addition of block exceeds space quota
|
||||
*/
|
||||
BlockInfo saveAllocatedBlock(String src, INodesInPath inodesInPath,
|
||||
|
|
@ -5483,7 +5478,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
/**
|
||||
* Check whether current user have permissions to access the path. For more
|
||||
* details of the parameters, see
|
||||
* {@link FSPermissionChecker#checkPermission()}.
|
||||
* {@link FSPermissionChecker#checkPermission}.
|
||||
*/
|
||||
private void checkPermission(FSPermissionChecker pc,
|
||||
String path, boolean doCheckOwner, FsAction ancestorAccess,
|
||||
|
|
@ -5496,7 +5491,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
/**
|
||||
* Check whether current user have permissions to access the path. For more
|
||||
* details of the parameters, see
|
||||
* {@link FSPermissionChecker#checkPermission()}.
|
||||
* {@link FSPermissionChecker#checkPermission}.
|
||||
*/
|
||||
private void checkPermission(FSPermissionChecker pc,
|
||||
String path, boolean doCheckOwner, FsAction ancestorAccess,
|
||||
|
|
@ -5993,7 +5988,9 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
LOG.info("updatePipeline(" + oldBlock + ") successfully to " + newBlock);
|
||||
}
|
||||
|
||||
/** @see #updatePipeline(String, ExtendedBlock, ExtendedBlock, DatanodeID[]) */
|
||||
/**
|
||||
* @see #updatePipeline(String, ExtendedBlock, ExtendedBlock, DatanodeID[], String[])
|
||||
*/
|
||||
private void updatePipelineInternal(String clientName, ExtendedBlock oldBlock,
|
||||
ExtendedBlock newBlock, DatanodeID[] newNodes, String[] newStorageIDs,
|
||||
boolean logRetryCache)
|
||||
|
|
@ -6114,10 +6111,9 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
}
|
||||
/**
|
||||
* @param path Restrict corrupt files to this portion of namespace.
|
||||
* @param startBlockAfter Support for continuation; the set of files we return
|
||||
* back is ordered by blockid; startBlockAfter tells where to start from
|
||||
* @param cookieTab Support for continuation; cookieTab tells where
|
||||
* to start from
|
||||
* @return a list in which each entry describes a corrupt file/block
|
||||
* @throws AccessControlException
|
||||
* @throws IOException
|
||||
*/
|
||||
Collection<CorruptFileBlockInfo> listCorruptFileBlocks(String path,
|
||||
|
|
@ -6212,7 +6208,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
}
|
||||
|
||||
/**
|
||||
* @param renewer
|
||||
* @param renewer Renewer information
|
||||
* @return Token<DelegationTokenIdentifier>
|
||||
* @throws IOException
|
||||
*/
|
||||
|
|
@ -6255,7 +6251,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
|
||||
/**
|
||||
*
|
||||
* @param token
|
||||
* @param token delegation token
|
||||
* @return New expiryTime of the token
|
||||
* @throws InvalidToken
|
||||
* @throws IOException
|
||||
|
|
@ -6289,7 +6285,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
|
||||
/**
|
||||
*
|
||||
* @param token
|
||||
* @param token delegation token that needs to be canceled
|
||||
* @throws IOException
|
||||
*/
|
||||
void cancelDelegationToken(Token<DelegationTokenIdentifier> token)
|
||||
|
|
@ -6583,7 +6579,8 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
|
||||
/**
|
||||
* Returned information is a JSON representation of map with host name as the
|
||||
* key and value is a map of decomisioning node attribute keys to its values
|
||||
* key and value is a map of decommissioning node attribute keys to its
|
||||
* values
|
||||
*/
|
||||
@Override // NameNodeMXBean
|
||||
public String getDecomNodes() {
|
||||
|
|
@ -6867,7 +6864,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
return snapshotManager;
|
||||
}
|
||||
|
||||
/** Allow snapshot on a directroy. */
|
||||
/** Allow snapshot on a directory. */
|
||||
void allowSnapshot(String path) throws SafeModeException, IOException {
|
||||
checkOperation(OperationCategory.WRITE);
|
||||
writeLock();
|
||||
|
|
@ -7200,7 +7197,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
|
||||
/**
|
||||
* Update internal state to indicate that a rolling upgrade is in progress.
|
||||
* @param startTime
|
||||
* @param startTime start time of the rolling upgrade
|
||||
*/
|
||||
void startRollingUpgradeInternal(long startTime)
|
||||
throws IOException {
|
||||
|
|
@ -7223,7 +7220,7 @@ public class FSNamesystem implements Namesystem, FSClusterStats,
|
|||
}
|
||||
checkRollingUpgrade("start rolling upgrade");
|
||||
getFSImage().checkUpgrade(this);
|
||||
// in non-HA setup, we do an extra ckpt to generate a rollback image
|
||||
// in non-HA setup, we do an extra checkpoint to generate a rollback image
|
||||
getFSImage().saveNamespace(this, NameNodeFile.IMAGE_ROLLBACK, null);
|
||||
LOG.info("Successfully saved namespace for preparing rolling upgrade.");
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue