idx int64 0 41.2k | question stringlengths 73 5.81k | target stringlengths 5 918 |
|---|---|---|
12,600 | public static void checkNumOfArgsEquals ( Command cmd , CommandLine cl , int n ) throws InvalidArgumentException { if ( cl . getArgs ( ) . length != n ) { throw new InvalidArgumentException ( ExceptionMessage . INVALID_ARGS_NUM . getMessage ( cmd . getCommandName ( ) , n , cl . getArgs ( ) . length ) ) ; } } | Checks the number of non - option arguments equals n for command . |
12,601 | public static void checkNumOfArgsNoLessThan ( Command cmd , CommandLine cl , int n ) throws InvalidArgumentException { if ( cl . getArgs ( ) . length < n ) { throw new InvalidArgumentException ( ExceptionMessage . INVALID_ARGS_NUM_INSUFFICIENT . getMessage ( cmd . getCommandName ( ) , n , cl . getArgs ( ) . length ) ) ... | Checks the number of non - option arguments is no less than n for command . |
12,602 | public static void checkNumOfArgsNoMoreThan ( Command cmd , CommandLine cl , int n ) throws InvalidArgumentException { if ( cl . getArgs ( ) . length > n ) { throw new InvalidArgumentException ( ExceptionMessage . INVALID_ARGS_NUM_TOO_MANY . getMessage ( cmd . getCommandName ( ) , n , cl . getArgs ( ) . length ) ) ; } ... | Checks the number of non - option arguments is no more than n for command . |
12,603 | public int run ( CommandLine cl ) throws IOException { if ( cl . hasOption ( ReportCommand . HELP_OPTION_NAME ) ) { System . out . println ( getUsage ( ) ) ; return 0 ; } GetWorkerReportOptions options = getOptions ( cl ) ; generateCapacityReport ( options ) ; return 0 ; } | Runs report capacity command . |
12,604 | public void generateCapacityReport ( GetWorkerReportOptions options ) throws IOException { List < WorkerInfo > workerInfoList = mBlockMasterClient . getWorkerReport ( options ) ; if ( workerInfoList . size ( ) == 0 ) { print ( "No workers found." ) ; return ; } Collections . sort ( workerInfoList , new WorkerInfo . Las... | Generates capacity report . |
12,605 | private void collectWorkerInfo ( List < WorkerInfo > workerInfoList ) { initVariables ( ) ; for ( WorkerInfo workerInfo : workerInfoList ) { long usedBytes = workerInfo . getUsedBytes ( ) ; long capacityBytes = workerInfo . getCapacityBytes ( ) ; mSumCapacityBytes += capacityBytes ; mSumUsedBytes += usedBytes ; String ... | Collects worker capacity information . |
12,606 | private void printAggregatedInfo ( GetWorkerReportOptions options ) { mIndentationLevel = 0 ; print ( String . format ( "Capacity information for %s workers: " , options . getWorkerRange ( ) . toString ( ) . toLowerCase ( ) ) ) ; mIndentationLevel ++ ; print ( "Total Capacity: " + FormatUtils . getSizeFromBytes ( mSumC... | Prints aggregated worker capacity information . |
12,607 | private void printWorkerInfo ( List < WorkerInfo > workerInfoList ) { mIndentationLevel = 0 ; if ( mCapacityTierInfoMap . size ( ) == 0 ) { return ; } else if ( mCapacityTierInfoMap . size ( ) == 1 ) { printShortWorkerInfo ( workerInfoList ) ; return ; } Set < String > tiers = mCapacityTierInfoMap . keySet ( ) ; String... | Prints worker capacity information . |
12,608 | private void printShortWorkerInfo ( List < WorkerInfo > workerInfoList ) { String tier = mCapacityTierInfoMap . firstKey ( ) ; String shortInfoFormat = getInfoFormat ( workerInfoList , true ) ; print ( String . format ( "%n" + shortInfoFormat , "Worker Name" , "Last Heartbeat" , "Storage" , tier ) ) ; for ( WorkerInfo ... | Prints worker information when only one tier exists . |
12,609 | private String getInfoFormat ( List < WorkerInfo > workerInfoList , boolean isShort ) { int maxWorkerNameLength = workerInfoList . stream ( ) . map ( w -> w . getAddress ( ) . getHost ( ) . length ( ) ) . max ( Comparator . comparing ( Integer :: intValue ) ) . get ( ) ; int firstIndent = 16 ; if ( firstIndent <= maxWo... | Gets the info format according to the longest worker name . |
12,610 | private GetWorkerReportOptions getOptions ( CommandLine cl ) throws IOException { if ( cl . getOptions ( ) . length > 1 ) { System . out . println ( getUsage ( ) ) ; throw new InvalidArgumentException ( "Too many arguments passed in." ) ; } GetWorkerReportOptions workerOptions = GetWorkerReportOptions . defaults ( ) ; ... | Gets the worker info options . |
12,611 | private static String getWorkerFormattedTierValues ( Map < String , Map < String , String > > map , String workerName ) { return map . values ( ) . stream ( ) . map ( ( tierMap ) -> ( String . format ( "%-14s" , tierMap . getOrDefault ( workerName , "-" ) ) ) ) . collect ( Collectors . joining ( "" ) ) ; } | Gets the formatted tier values of a worker . |
12,612 | private void initVariables ( ) { mSumCapacityBytes = 0 ; mSumUsedBytes = 0 ; mSumCapacityBytesOnTierMap = new TreeMap < > ( FileSystemAdminShellUtils :: compareTierNames ) ; mSumUsedBytesOnTierMap = new TreeMap < > ( FileSystemAdminShellUtils :: compareTierNames ) ; mCapacityTierInfoMap = new TreeMap < > ( FileSystemAd... | Initializes member variables used to collect worker info . |
12,613 | private void print ( String text ) { String indent = Strings . repeat ( " " , mIndentationLevel * INDENT_SIZE ) ; mPrintStream . println ( indent + text ) ; } | Prints indented information . |
12,614 | public static boolean register ( PropertyKey key ) { String name = key . getName ( ) ; String [ ] aliases = key . getAliases ( ) ; if ( DEFAULT_KEYS_MAP . containsKey ( name ) ) { if ( DEFAULT_KEYS_MAP . get ( name ) . isBuiltIn ( ) || ! key . isBuiltIn ( ) ) { return false ; } } DEFAULT_KEYS_MAP . put ( name , key ) ;... | Registers the given key to the global key map . |
12,615 | public static void unregister ( PropertyKey key ) { String name = key . getName ( ) ; DEFAULT_KEYS_MAP . remove ( name ) ; DEFAULT_ALIAS_MAP . remove ( name ) ; } | Unregisters the given key from the global key map . |
12,616 | public static BlockOutStream createReplicatedBlockOutStream ( FileSystemContext context , long blockId , long blockSize , java . util . List < WorkerNetAddress > workerNetAddresses , OutStreamOptions options ) throws IOException { List < DataWriter > dataWriters = new ArrayList < > ( ) ; for ( WorkerNetAddress address ... | Creates a new remote block output stream . |
12,617 | public void write ( io . netty . buffer . ByteBuf buf ) throws IOException { write ( buf , 0 , buf . readableBytes ( ) ) ; } | Writes the data in the specified byte buf to this output stream . |
12,618 | public void write ( io . netty . buffer . ByteBuf buf , int off , int len ) throws IOException { if ( len == 0 ) { return ; } while ( len > 0 ) { updateCurrentChunk ( false ) ; int toWrite = Math . min ( len , mCurrentChunk . writableBytes ( ) ) ; mCurrentChunk . writeBytes ( buf , off , toWrite ) ; off += toWrite ; le... | Writes len bytes from the specified byte buf starting at offset off to this output stream . |
12,619 | private void updateCurrentChunk ( boolean lastChunk ) throws IOException { if ( mCurrentChunk != null && mCurrentChunk . writableBytes ( ) > 0 && ! lastChunk ) { return ; } if ( mCurrentChunk == null ) { if ( ! lastChunk ) { mCurrentChunk = allocateBuffer ( ) ; } return ; } if ( mCurrentChunk . writableBytes ( ) == 0 |... | Updates the current chunk . |
12,620 | public T removeAcl ( List < AclEntry > entries ) { for ( AclEntry entry : entries ) { if ( entry . isDefault ( ) ) { AccessControlList defaultAcl = getDefaultACL ( ) ; defaultAcl . removeEntry ( entry ) ; } else { mAcl . removeEntry ( entry ) ; } } updateMask ( entries ) ; return getThis ( ) ; } | Removes ACL entries . |
12,621 | public T replaceAcl ( List < AclEntry > entries ) { boolean clearACL = false ; for ( AclEntry entry : entries ) { if ( ! entry . isDefault ( ) ) { clearACL = true ; } } if ( clearACL ) { mAcl . clearEntries ( ) ; } return setAcl ( entries ) ; } | Replaces all existing ACL entries with a new list of entries . |
12,622 | public T updateMask ( List < AclEntry > entries ) { boolean needToUpdateACL = false ; boolean needToUpdateDefaultACL = false ; for ( AclEntry entry : entries ) { if ( entry . getType ( ) . equals ( AclEntryType . NAMED_USER ) || entry . getType ( ) . equals ( AclEntryType . NAMED_GROUP ) || entry . getType ( ) . equals... | Update Mask for the Inode . This method should be called after updates to ACL and defaultACL . |
12,623 | public T setAcl ( List < AclEntry > entries ) { if ( entries == null || entries . isEmpty ( ) ) { return getThis ( ) ; } for ( AclEntry entry : entries ) { if ( entry . isDefault ( ) ) { getDefaultACL ( ) . setEntry ( entry ) ; } else { mAcl . setEntry ( entry ) ; } } updateMask ( entries ) ; return getThis ( ) ; } | Sets ACL entries into the internal ACL . The entries will overwrite any existing correspondent entries in the internal ACL . |
12,624 | public void updateFromEntry ( UpdateInodeEntry entry ) { if ( entry . hasAcl ( ) ) { setInternalAcl ( ProtoUtils . fromProto ( entry . getAcl ( ) ) ) ; } if ( entry . hasCreationTimeMs ( ) ) { setCreationTimeMs ( entry . getCreationTimeMs ( ) ) ; } if ( entry . hasGroup ( ) ) { setGroup ( entry . getGroup ( ) ) ; } if ... | Updates this inode s state from the given entry . |
12,625 | private static void formatWorkerDataFolder ( String folder ) throws IOException { Path path = Paths . get ( folder ) ; FileUtils . deletePathRecursively ( folder ) ; Files . createDirectory ( path ) ; String permissions = ServerConfiguration . get ( PropertyKey . WORKER_DATA_FOLDER_PERMISSIONS ) ; Set < PosixFilePermis... | Formats the worker data folder . |
12,626 | public static int compareTierNames ( String a , String b ) { int aValue = getTierRankValue ( a ) ; int bValue = getTierRankValue ( b ) ; if ( aValue == bValue ) { return a . compareTo ( b ) ; } return aValue - bValue ; } | Compares two tier names according to their rank values . |
12,627 | public static void checkMasterClientService ( AlluxioConfiguration alluxioConf ) throws IOException { try ( CloseableResource < FileSystemMasterClient > client = FileSystemContext . create ( ClientContext . create ( alluxioConf ) ) . acquireMasterClientResource ( ) ) { InetSocketAddress address = client . get ( ) . get... | Checks if the master client service is available . Throws an exception if fails to determine that the master client service is running . |
12,628 | private static int getTierRankValue ( String input ) { List < String > tierOrder = Arrays . asList ( "MEM" , "SSD" , "HDD" ) ; int rank = tierOrder . indexOf ( input ) ; if ( rank == - 1 ) { return Integer . MAX_VALUE ; } return rank ; } | Assigns a rank value to the input string . |
12,629 | private void readChunk ( ) throws IOException { if ( mDataReader == null ) { mDataReader = mDataReaderFactory . create ( mPos , mLength - mPos ) ; } if ( mCurrentChunk != null && mCurrentChunk . readableBytes ( ) == 0 ) { mCurrentChunk . release ( ) ; mCurrentChunk = null ; } if ( mCurrentChunk == null ) { mCurrentChun... | Reads a new chunk from the channel if all of the current chunk is read . |
12,630 | private void closeDataReader ( ) throws IOException { if ( mCurrentChunk != null ) { mCurrentChunk . release ( ) ; mCurrentChunk = null ; } if ( mDataReader != null ) { mDataReader . close ( ) ; } mDataReader = null ; } | Close the current data reader . |
12,631 | public K setAcl ( List < AclEntry > acl ) { mAcl = ImmutableList . copyOf ( acl ) ; return getThis ( ) ; } | Sets an immutable copy of acl as the internal access control list . |
12,632 | public void commitBlock ( final long workerId , final long usedBytesOnTier , final String tierAlias , final long blockId , final long length ) throws IOException { retryRPC ( ( RpcCallable < Void > ) ( ) -> { CommitBlockPRequest request = CommitBlockPRequest . newBuilder ( ) . setWorkerId ( workerId ) . setUsedBytesOnT... | Commits a block on a worker . |
12,633 | public void commitBlockInUfs ( final long blockId , final long length ) throws IOException { retryRPC ( ( RpcCallable < Void > ) ( ) -> { CommitBlockInUfsPRequest request = CommitBlockInUfsPRequest . newBuilder ( ) . setBlockId ( blockId ) . setLength ( length ) . build ( ) ; mClient . commitBlockInUfs ( request ) ; re... | Commits a block in Ufs . |
12,634 | public long getId ( final WorkerNetAddress address ) throws IOException { return retryRPC ( ( RpcCallable < Long > ) ( ) -> { GetWorkerIdPRequest request = GetWorkerIdPRequest . newBuilder ( ) . setWorkerNetAddress ( GrpcUtils . toProto ( address ) ) . build ( ) ; return mClient . getWorkerId ( request ) . getWorkerId ... | Returns a worker id for a workers net address . |
12,635 | public void stop ( ) { mSessionCleaner . stop ( ) ; try { CommonUtils . waitFor ( "block worker executor shutdown" , ( ) -> { getExecutorService ( ) . shutdownNow ( ) ; try { return getExecutorService ( ) . awaitTermination ( 100 , TimeUnit . MILLISECONDS ) ; } catch ( InterruptedException e ) { Thread . currentThread ... | Stops the block worker . This method should only be called to terminate the worker . |
12,636 | public long skip ( long n ) throws IOException { if ( mInputStream . available ( ) >= n ) { return mInputStream . skip ( n ) ; } mInputStream . close ( ) ; mPos += n ; try { mObject = mClient . getObject ( mBucketName , mKey , null , null , null , null , mPos , null ) ; mInputStream = new BufferedInputStream ( mObject ... | This method leverages the ability to open a stream from GCS from a given offset . When the underlying stream has fewer bytes buffered than the skip request the stream is closed and a new stream is opened starting at the requested offset . |
12,637 | public static short translateBucketAcl ( GSAccessControlList acl , String userId ) { short mode = ( short ) 0 ; for ( GrantAndPermission gp : acl . getGrantAndPermissions ( ) ) { Permission perm = gp . getPermission ( ) ; GranteeInterface grantee = gp . getGrantee ( ) ; if ( perm . equals ( Permission . PERMISSION_READ... | Translates GCS bucket owner ACL to Alluxio owner mode . |
12,638 | public static SyncPointInfo fromProto ( alluxio . grpc . SyncPointInfo syncPointInfo ) { SyncStatus syncStatus ; switch ( syncPointInfo . getSyncStatus ( ) ) { case Not_Initially_Synced : syncStatus = SyncStatus . NOT_INITIALLY_SYNCED ; break ; case Syncing : syncStatus = SyncStatus . SYNCING ; break ; case Initially_S... | Generate sync point information from the proto representation . |
12,639 | public GrpcChannelBuilder setChannelType ( Class < ? extends io . netty . channel . Channel > channelType ) { mChannelKey . setChannelType ( channelType ) ; return this ; } | Sets the channel type . |
12,640 | @ Path ( ServiceConstants . GET_STATUS ) @ JacksonFeatures ( serializationEnable = { SerializationFeature . INDENT_OUTPUT } ) public Response getStatus ( @ QueryParam ( "jobId" ) final long jobId ) { return RestUtils . call ( new RestUtils . RestCallable < JobInfo > ( ) { public JobInfo call ( ) throws Exception { retu... | Gets the job status . |
12,641 | @ Path ( ServiceConstants . LIST ) public Response list ( ) { return RestUtils . call ( new RestUtils . RestCallable < List < Long > > ( ) { public List < Long > call ( ) throws Exception { return mJobMaster . list ( ) ; } } , ServerConfiguration . global ( ) ) ; } | Lists all the jobs in the history . |
12,642 | @ Path ( ServiceConstants . RUN ) @ Consumes ( MediaType . APPLICATION_JSON ) public Response run ( final JobConfig jobConfig ) { return RestUtils . call ( new RestUtils . RestCallable < Long > ( ) { public Long call ( ) throws Exception { return mJobMaster . run ( jobConfig ) ; } } , ServerConfiguration . global ( ) )... | Runs a job . |
12,643 | public void add ( Supplier < JournalContext > ctx , String path , Map < PropertyKey , String > properties ) { try ( LockResource r = new LockResource ( mLock . writeLock ( ) ) ) { if ( ! properties . isEmpty ( ) ) { Map < String , String > newProperties = mState . getProperties ( path ) ; properties . forEach ( ( key ,... | Adds properties for path . |
12,644 | public void remove ( Supplier < JournalContext > ctx , String path , Set < String > keys ) { try ( LockResource r = new LockResource ( mLock . writeLock ( ) ) ) { Map < String , String > properties = mState . getProperties ( path ) ; if ( ! properties . isEmpty ( ) ) { keys . forEach ( key -> properties . remove ( key ... | Removes the specified set of keys from the properties for path . |
12,645 | public void removeAll ( Supplier < JournalContext > ctx , String path ) { try ( LockResource r = new LockResource ( mLock . writeLock ( ) ) ) { Map < String , String > properties = mState . getProperties ( path ) ; if ( ! properties . isEmpty ( ) ) { mState . applyAndJournal ( ctx , RemovePathPropertiesEntry . newBuild... | Removes all properties for path . |
12,646 | private TtlBucket getBucketContaining ( InodeView inode ) { if ( inode . getTtl ( ) == Constants . NO_TTL ) { return null ; } long ttlEndTimeMs = inode . getCreationTimeMs ( ) + inode . getTtl ( ) ; TtlBucket bucket = mBucketList . floor ( new TtlBucket ( ttlEndTimeMs ) ) ; if ( bucket == null || bucket . getTtlInterva... | Gets the bucket in the list that contains the inode . |
12,647 | public void remove ( InodeView inode ) { TtlBucket bucket = getBucketContaining ( inode ) ; if ( bucket != null ) { bucket . removeInode ( inode ) ; } } | Removes a inode from the bucket containing it if the inode is in one of the buckets otherwise do nothing . |
12,648 | public void recover ( ) { try { boolean checkpointExists = mUfs . isFile ( mCheckpoint . toString ( ) ) ; boolean backupCheckpointExists = mUfs . isFile ( mBackupCheckpoint . toString ( ) ) ; boolean tempBackupCheckpointExists = mUfs . isFile ( mTempBackupCheckpoint . toString ( ) ) ; Preconditions . checkState ( ! ( c... | Recovers the checkpoint in case the master crashed while updating it . |
12,649 | public void update ( URI location ) { try { if ( mUfs . isFile ( mCheckpoint . toString ( ) ) ) { UnderFileSystemUtils . deleteFileIfExists ( mUfs , mTempBackupCheckpoint . toString ( ) ) ; UnderFileSystemUtils . deleteFileIfExists ( mUfs , mBackupCheckpoint . toString ( ) ) ; mUfs . renameFile ( mCheckpoint . toString... | Updates the checkpoint to the specified URI . |
12,650 | public static String getMetricNameWithUserTag ( String metricName , String userName ) { UserMetricKey k = new UserMetricKey ( metricName , userName ) ; String result = CACHED_METRICS . get ( k ) ; if ( result != null ) { return result ; } return CACHED_METRICS . computeIfAbsent ( k , key -> metricName + "." + CommonMet... | Gets a metric name with a specific user tag . |
12,651 | public static Metric from ( String fullName , double value ) { String [ ] pieces = fullName . split ( "\\." ) ; Preconditions . checkArgument ( pieces . length > 1 , "Incorrect metrics name: %s." , fullName ) ; String hostname = null ; String id = null ; String name = null ; int tagStartIdx = 0 ; if ( pieces [ 0 ] . eq... | Creates the metric from the full name and the value . |
12,652 | public static Metric fromProto ( alluxio . grpc . Metric metric ) { Metric created = new Metric ( MetricsSystem . InstanceType . fromString ( metric . getInstance ( ) ) , metric . getHostname ( ) , metric . hasInstanceId ( ) ? metric . getInstanceId ( ) : null , metric . getName ( ) , metric . getValue ( ) ) ; for ( En... | Constructs the metric object from the proto format . |
12,653 | private boolean delete ( String path , boolean recursive ) throws IOException { IOException te = null ; FileSystem hdfs = getFs ( ) ; RetryPolicy retryPolicy = new CountingRetry ( MAX_TRY ) ; while ( retryPolicy . attempt ( ) ) { try { return hdfs . delete ( new Path ( path ) , recursive ) ; } catch ( IOException e ) {... | Delete a file or directory at path . |
12,654 | private boolean rename ( String src , String dst ) throws IOException { IOException te = null ; FileSystem hdfs = getFs ( ) ; RetryPolicy retryPolicy = new CountingRetry ( MAX_TRY ) ; while ( retryPolicy . attempt ( ) ) { try { return hdfs . rename ( new Path ( src ) , new Path ( dst ) ) ; } catch ( IOException e ) { L... | Rename a file or folder to a file or folder . |
12,655 | protected void populateCounterValues ( Map < String , Metric > operations , Map < String , Counter > rpcInvocations , HttpServletRequest request ) { for ( Map . Entry < String , Metric > entry : operations . entrySet ( ) ) { if ( entry . getValue ( ) instanceof Gauge ) { request . setAttribute ( entry . getKey ( ) , ( ... | Populates operation metrics for displaying in the UI . |
12,656 | public static synchronized void cleanDirectBuffer ( ByteBuffer buffer ) { Preconditions . checkNotNull ( buffer , "buffer" ) ; Preconditions . checkArgument ( buffer . isDirect ( ) , "buffer isn't a DirectByteBuffer" ) ; try { if ( sByteBufferCleanerMethod == null ) { sByteBufferCleanerMethod = buffer . getClass ( ) . ... | Forces to unmap a direct buffer if this buffer is no longer used . After calling this method this direct buffer should be discarded . This is unsafe operation and currently a work - around to avoid huge memory occupation caused by memory map . |
12,657 | public static byte [ ] getIncreasingByteArray ( int start , int len ) { byte [ ] ret = new byte [ len ] ; for ( int k = 0 ; k < len ; k ++ ) { ret [ k ] = ( byte ) ( k + start ) ; } return ret ; } | Gets an increasing sequence of bytes starting with the given value . |
12,658 | public static boolean equalConstantByteArray ( byte value , int len , byte [ ] arr ) { if ( arr == null || arr . length != len ) { return false ; } for ( int k = 0 ; k < len ; k ++ ) { if ( arr [ k ] != value ) { return false ; } } return true ; } | Checks if the given byte array starts with a constant sequence of bytes of the given value and length . |
12,659 | public static boolean equalIncreasingByteArray ( int start , int len , byte [ ] arr ) { if ( arr == null || arr . length != len ) { return false ; } for ( int k = 0 ; k < len ; k ++ ) { if ( arr [ k ] != ( byte ) ( start + k ) ) { return false ; } } return true ; } | Checks if the given byte array starts with an increasing sequence of bytes of the given length starting from the given value . The array length must be equal to the length checked . |
12,660 | public static void writeBufferToFile ( String path , byte [ ] buffer ) throws IOException { try ( FileOutputStream os = new FileOutputStream ( path ) ) { os . write ( buffer ) ; } } | Writes buffer to the given file path . |
12,661 | public synchronized void cancel ( ) { for ( int taskId : mJobInfo . getTaskIdList ( ) ) { mCommandManager . submitCancelTaskCommand ( mJobInfo . getId ( ) , taskId , mTaskIdToWorkerInfo . get ( taskId ) . getId ( ) ) ; } } | Cancels the current job . |
12,662 | public synchronized void updateTasks ( List < TaskInfo > taskInfoList ) { for ( TaskInfo taskInfo : taskInfoList ) { mJobInfo . setTaskInfo ( taskInfo . getTaskId ( ) , taskInfo ) ; } updateStatus ( ) ; } | Updates internal status with given tasks . |
12,663 | public synchronized void setJobAsFailed ( String errorMessage ) { mJobInfo . setStatus ( Status . FAILED ) ; mJobInfo . setErrorMessage ( errorMessage ) ; } | Sets the job as failed with given error message . |
12,664 | public synchronized void failTasksForWorker ( long workerId ) { Integer taskId = mWorkerIdToTaskId . get ( workerId ) ; if ( taskId == null ) { return ; } TaskInfo taskInfo = mJobInfo . getTaskInfo ( taskId ) ; if ( taskInfo . getStatus ( ) . isFinished ( ) ) { return ; } taskInfo . setStatus ( Status . FAILED ) ; task... | Fails any incomplete tasks being run on the specified worker . |
12,665 | private void updateStatus ( ) { int completed = 0 ; List < TaskInfo > taskInfoList = mJobInfo . getTaskInfoList ( ) ; for ( TaskInfo info : taskInfoList ) { switch ( info . getStatus ( ) ) { case FAILED : mJobInfo . setStatus ( Status . FAILED ) ; if ( mJobInfo . getErrorMessage ( ) . isEmpty ( ) ) { mJobInfo . setErro... | Updates the status of the job . When all the tasks are completed run the join method in the definition . |
12,666 | private String join ( List < TaskInfo > taskInfoList ) throws Exception { JobDefinition < JobConfig , Serializable , Serializable > definition = JobDefinitionRegistry . INSTANCE . getJobDefinition ( mJobInfo . getJobConfig ( ) ) ; Map < WorkerInfo , Serializable > taskResults = Maps . newHashMap ( ) ; for ( TaskInfo ta... | Joins the task results and produces a final result . |
12,667 | private void openStream ( ) throws IOException { if ( mClosed ) { throw new IOException ( "Stream closed" ) ; } if ( mMultiRangeChunkSize <= 0 ) { throw new IOException ( ExceptionMessage . BLOCK_SIZE_INVALID . getMessage ( mMultiRangeChunkSize ) ) ; } if ( mStream != null ) { return ; } final long endPos = mPos + mMul... | Opens a new stream at mPos if the wrapped stream mStream is null . |
12,668 | public static UfsJournalSnapshot getSnapshot ( UfsJournal journal ) throws IOException { List < UfsJournalFile > checkpoints = new ArrayList < > ( ) ; UfsStatus [ ] statuses = journal . getUfs ( ) . listStatus ( journal . getCheckpointDir ( ) . toString ( ) ) ; if ( statuses != null ) { for ( UfsStatus status : statuse... | Creates a snapshot of the journal . |
12,669 | static long getNextLogSequenceNumberToCheckpoint ( UfsJournal journal ) throws IOException { List < UfsJournalFile > checkpoints = new ArrayList < > ( ) ; UfsStatus [ ] statuses = journal . getUfs ( ) . listStatus ( journal . getCheckpointDir ( ) . toString ( ) ) ; if ( statuses != null ) { for ( UfsStatus status : sta... | Gets the first journal log sequence number that is not yet checkpointed . |
12,670 | public static String cleanPath ( String path ) throws InvalidPathException { validatePath ( path ) ; return FilenameUtils . separatorsToUnix ( FilenameUtils . normalizeNoEndSeparator ( path ) ) ; } | Checks and normalizes the given path . |
12,671 | public static String getParent ( String path ) throws InvalidPathException { String cleanedPath = cleanPath ( path ) ; String name = FilenameUtils . getName ( cleanedPath ) ; String parent = cleanedPath . substring ( 0 , cleanedPath . length ( ) - name . length ( ) - 1 ) ; if ( parent . isEmpty ( ) ) { return AlluxioUR... | Gets the parent of the file at a path . |
12,672 | public static String [ ] getPathComponents ( String path ) throws InvalidPathException { path = cleanPath ( path ) ; if ( isRoot ( path ) ) { return new String [ ] { "" } ; } return path . split ( AlluxioURI . SEPARATOR ) ; } | Gets the path components of the given path . The first component will be an empty string . |
12,673 | public static String subtractPaths ( String path , String prefix ) throws InvalidPathException { String cleanedPath = cleanPath ( path ) ; String cleanedPrefix = cleanPath ( prefix ) ; if ( cleanedPath . equals ( cleanedPrefix ) ) { return "" ; } if ( ! hasPrefix ( cleanedPath , cleanedPrefix ) ) { throw new RuntimeExc... | Removes the prefix from the path yielding a relative path from the second path to the first . |
12,674 | public static void validatePath ( String path ) throws InvalidPathException { boolean invalid = ( path == null || path . isEmpty ( ) ) ; if ( ! OSUtils . isWindows ( ) ) { invalid = ( invalid || ! path . startsWith ( AlluxioURI . SEPARATOR ) ) ; } if ( invalid ) { throw new InvalidPathException ( ExceptionMessage . PAT... | Checks if the given path is properly formed . |
12,675 | public static String temporaryFileName ( long nonce , String path ) { return path + String . format ( TEMPORARY_SUFFIX_FORMAT , nonce ) ; } | Generates a deterministic temporary file name for the a path and a file id and a nonce . |
12,676 | public static String uniqPath ( ) { StackTraceElement caller = new Throwable ( ) . getStackTrace ( ) [ 1 ] ; long time = System . nanoTime ( ) ; return "/" + caller . getClassName ( ) + "/" + caller . getMethodName ( ) + "/" + time ; } | Creates a unique path based off the caller . |
12,677 | public static String normalizePath ( String path , String separator ) { return path . endsWith ( separator ) ? path : path + separator ; } | Adds a trailing separator if it does not exist in path . |
12,678 | public synchronized void start ( ) throws IOException { Preconditions . checkState ( mProcess == null , "Worker is already running" ) ; mProcess = new ExternalProcess ( mProperties , LimitedLifeWorkerProcess . class , new File ( mLogsDir , "worker.out" ) ) ; mProcess . start ( ) ; } | Launches the worker process . |
12,679 | public void add ( long delay , T value ) { mQueue . add ( new DelayNode < > ( value , delay + mPastTime ) ) ; } | Adds a new node into the queue . |
12,680 | private void maybeRecoverFromUfsFailures ( ) throws IOException , JournalClosedException { if ( ! mNeedsRecovery ) { return ; } long lastPersistSeq = recoverLastPersistedJournalEntry ( ) ; createNewLogFile ( lastPersistSeq + 1 ) ; if ( ! mEntriesToFlush . isEmpty ( ) ) { JournalEntry firstEntryToFlush = mEntriesToFlush... | Core logic of UFS journal recovery from UFS failures . |
12,681 | private long recoverLastPersistedJournalEntry ( ) throws IOException { UfsJournalSnapshot snapshot = UfsJournalSnapshot . getSnapshot ( mJournal ) ; long lastPersistSeq = - 1 ; UfsJournalFile currentLog = snapshot . getCurrentLog ( mJournal ) ; if ( currentLog != null ) { LOG . info ( "Recovering from previous UFS jour... | Examine the UFS to determine the most recent journal entry and return its sequence number . |
12,682 | private void maybeRotateLog ( ) throws IOException { if ( ! mRotateLogForNextWrite ) { return ; } if ( mJournalOutputStream != null ) { mJournalOutputStream . close ( ) ; mJournalOutputStream = null ; } createNewLogFile ( mNextSequenceNumber ) ; mRotateLogForNextWrite = false ; } | Closes the current journal output stream and creates a new one . The implementation must be idempotent so that it can work when retrying during failures . |
12,683 | private void completeLog ( UfsJournalFile currentLog , long nextSequenceNumber ) throws IOException { String current = currentLog . getLocation ( ) . toString ( ) ; if ( nextSequenceNumber <= currentLog . getStart ( ) ) { LOG . info ( "No journal entry found in current journal file {}. Deleting it" , current ) ; if ( !... | Completes the given log . |
12,684 | public static ReadableBuffer getBufferFromStream ( InputStream stream ) { if ( ! sZeroCopyReceiveSupported || ! stream . getClass ( ) . equals ( sReadableBufferField . getDeclaringClass ( ) ) ) { return null ; } try { return ( ReadableBuffer ) sReadableBufferField . get ( stream ) ; } catch ( Exception e ) { LOG . warn... | Gets a buffer directly from a gRPC input stream . |
12,685 | public static ByteBuf getByteBufFromReadableBuffer ( ReadableBuffer buffer ) { if ( ! sZeroCopyReceiveSupported ) { return null ; } try { if ( buffer instanceof CompositeReadableBuffer ) { Queue < ReadableBuffer > buffers = ( Queue < ReadableBuffer > ) sCompositeBuffers . get ( buffer ) ; if ( buffers . size ( ) == 1 )... | Gets a Netty buffer directly from a gRPC ReadableBuffer . |
12,686 | public static boolean addBuffersToStream ( ByteBuf [ ] buffers , OutputStream stream ) { if ( ! sZeroCopySendSupported || ! stream . getClass ( ) . equals ( sBufferList . getDeclaringClass ( ) ) ) { return false ; } try { if ( sCurrent . get ( stream ) != null ) { return false ; } for ( ByteBuf buffer : buffers ) { Obj... | Add the given buffers directly to the gRPC output stream . |
12,687 | public static ServerServiceDefinition overrideMethods ( final ServerServiceDefinition service , final Map < MethodDescriptor , MethodDescriptor > marshallers ) { List < ServerMethodDefinition < ? , ? > > newMethods = new ArrayList < ServerMethodDefinition < ? , ? > > ( ) ; List < MethodDescriptor < ? , ? > > newDescrip... | Creates a service definition that uses custom marshallers . |
12,688 | @ SuppressWarnings ( "unchecked" ) static < T extends Throwable > void uncheckedThrow ( Throwable t ) throws T { if ( t != null ) throw ( T ) t ; else throw new Error ( "Unknown Exception" ) ; } | The sneaky part of sneaky throw relying on generics limitations to evade compiler complaints about rethrowing unchecked exceptions . |
12,689 | public static int getQueuedTaskCount ( ) { Thread t ; ForkJoinPool . WorkQueue q ; if ( ( t = Thread . currentThread ( ) ) instanceof ForkJoinWorkerThread ) q = ( ( ForkJoinWorkerThread ) t ) . workQueue ; else q = ForkJoinPool . commonSubmitterQueue ( ) ; return ( q == null ) ? 0 : q . queueSize ( ) ; } | Returns an estimate of the number of tasks that have been forked by the current worker thread but not yet executed . This value may be useful for heuristic decisions about whether to fork other tasks . |
12,690 | protected static ForkJoinTask < ? > peekNextLocalTask ( ) { Thread t ; ForkJoinPool . WorkQueue q ; if ( ( t = Thread . currentThread ( ) ) instanceof ForkJoinWorkerThread ) q = ( ( ForkJoinWorkerThread ) t ) . workQueue ; else q = ForkJoinPool . commonSubmitterQueue ( ) ; return ( q == null ) ? null : q . peek ( ) ; } | Returns but does not unschedule or execute a task queued by the current thread but not yet executed if one is immediately available . There is no guarantee that this task will actually be polled or executed next . Conversely this method may return null even if a task exists but cannot be accessed without contention wit... |
12,691 | protected static ForkJoinTask < ? > pollNextLocalTask ( ) { Thread t ; return ( ( t = Thread . currentThread ( ) ) instanceof ForkJoinWorkerThread ) ? ( ( ForkJoinWorkerThread ) t ) . workQueue . nextLocalTask ( ) : null ; } | Unschedules and returns without executing the next task queued by the current thread but not yet executed if the current thread is operating in a ForkJoinPool . This method is designed primarily to support extensions and is unlikely to be useful otherwise . |
12,692 | private Throwable getThrowableException ( ) { int h = System . identityHashCode ( this ) ; ExceptionNode e ; final ReentrantLock lock = exceptionTableLock ; lock . lock ( ) ; try { expungeStaleExceptions ( ) ; ExceptionNode [ ] t = exceptionTable ; e = t [ h & ( t . length - 1 ) ] ; while ( e != null && e . get ( ) != ... | Returns a rethrowable exception for this task if available . To provide accurate stack traces if the exception was not thrown by the current thread we try to create a new exception of the same type as the one thrown but with the recorded exception as its cause . If there is no such constructor we instead try to use a n... |
12,693 | public final short setForkJoinTaskTag ( short newValue ) { for ( int s ; ; ) { if ( U . compareAndSwapInt ( this , STATUS , s = status , ( s & ~ SMASK ) | ( newValue & SMASK ) ) ) return ( short ) s ; } } | Atomically sets the tag value for this task and returns the old value . |
12,694 | public static InetSocketAddress getBindAddress ( ServiceType service , AlluxioConfiguration conf ) { int port = getPort ( service , conf ) ; assertValidPort ( port ) ; return new InetSocketAddress ( getBindHost ( service , conf ) , getPort ( service , conf ) ) ; } | Helper method to get the bind hostname for a given service . |
12,695 | public static String getClientHostName ( AlluxioConfiguration conf ) { if ( conf . isSet ( PropertyKey . USER_HOSTNAME ) ) { return conf . get ( PropertyKey . USER_HOSTNAME ) ; } return getLocalHostName ( ( int ) conf . getMs ( PropertyKey . NETWORK_HOST_RESOLUTION_TIMEOUT_MS ) ) ; } | Gets the local hostname to be used by the client . If this isn t configured a non - loopback local hostname will be looked up . |
12,696 | public static String getLocalNodeName ( AlluxioConfiguration conf ) { switch ( CommonUtils . PROCESS_TYPE . get ( ) ) { case JOB_MASTER : if ( conf . isSet ( PropertyKey . JOB_MASTER_HOSTNAME ) ) { return conf . get ( PropertyKey . JOB_MASTER_HOSTNAME ) ; } break ; case JOB_WORKER : if ( conf . isSet ( PropertyKey . JO... | Gets a local node name from configuration if it is available falling back on localhost lookup . |
12,697 | public static synchronized String getLocalHostName ( int timeoutMs ) { if ( sLocalHost != null ) { return sLocalHost ; } try { sLocalHost = InetAddress . getByName ( getLocalIpAddress ( timeoutMs ) ) . getCanonicalHostName ( ) ; return sLocalHost ; } catch ( UnknownHostException e ) { throw new RuntimeException ( e ) ;... | Gets a local host name for the host this JVM is running on . |
12,698 | public static synchronized String getLocalHostMetricName ( int timeoutMs ) { if ( sLocalHostMetricName != null ) { return sLocalHostMetricName ; } sLocalHostMetricName = getLocalHostName ( timeoutMs ) . replace ( '.' , '_' ) ; return sLocalHostMetricName ; } | Gets a local hostname for the host this JVM is running on with . replaced with _ for metrics usage . |
12,699 | public static synchronized String getLocalIpAddress ( int timeoutMs ) { if ( sLocalIP != null ) { return sLocalIP ; } try { InetAddress address = InetAddress . getLocalHost ( ) ; LOG . debug ( "address: {} isLoopbackAddress: {}, with host {} {}" , address , address . isLoopbackAddress ( ) , address . getHostAddress ( )... | Gets a local IP address for the host this JVM is running on . |
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