idx int64 0 165k | question stringlengths 73 5.81k | target stringlengths 5 918 |
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147,900 | private void init ( ) { logger . info ( "metadata init()." ) ; writeLock . lock ( ) ; try { initCache ( CLUSTER_KEY ) ; if ( this . storeDefinitionsStorageEngine != null ) { initStoreDefinitions ( null ) ; } else { initCache ( STORES_KEY ) ; } initSystemCache ( ) ; initSystemRoutingStrategies ( getCluster ( ) ) ; initC... | Initializes the metadataCache for MetadataStore |
147,901 | private void initStoreDefinitions ( Version storesXmlVersion ) { if ( this . storeDefinitionsStorageEngine == null ) { throw new VoldemortException ( "The store definitions directory is empty" ) ; } String allStoreDefinitions = "<stores>" ; Version finalStoresXmlVersion = null ; if ( storesXmlVersion != null ) { finalS... | Function to go through all the store definitions contained in the STORES directory and |
147,902 | private void resetStoreDefinitions ( Set < String > storeNamesToDelete ) { for ( String storeName : storeNamesToDelete ) { this . metadataCache . remove ( storeName ) ; this . storeDefinitionsStorageEngine . delete ( storeName , null ) ; this . storeNames . remove ( storeName ) ; } } | Function to clear all the metadata related to the given store definitions . This is needed when a put on stores . xml is called thus replacing the existing state . |
147,903 | private synchronized void initSystemCache ( ) { List < StoreDefinition > value = storeMapper . readStoreList ( new StringReader ( SystemStoreConstants . SYSTEM_STORE_SCHEMA ) ) ; metadataCache . put ( SYSTEM_STORES_KEY , new Versioned < Object > ( value ) ) ; } | Initialize the metadata cache with system store list |
147,904 | public List < Versioned < V > > getWithCustomTimeout ( CompositeVoldemortRequest < K , V > requestWrapper ) { validateTimeout ( requestWrapper . getRoutingTimeoutInMs ( ) ) ; for ( int attempts = 0 ; attempts < this . metadataRefreshAttempts ; attempts ++ ) { try { long startTimeInMs = System . currentTimeMillis ( ) ; ... | Performs a get operation with the specified composite request object |
147,905 | public Version putWithCustomTimeout ( CompositeVoldemortRequest < K , V > requestWrapper ) { validateTimeout ( requestWrapper . getRoutingTimeoutInMs ( ) ) ; List < Versioned < V > > versionedValues ; long startTime = System . currentTimeMillis ( ) ; String keyHexString = "" ; if ( logger . isDebugEnabled ( ) ) { ByteA... | Performs a put operation with the specified composite request object |
147,906 | public Version putVersionedWithCustomTimeout ( CompositeVoldemortRequest < K , V > requestWrapper ) throws ObsoleteVersionException { validateTimeout ( requestWrapper . getRoutingTimeoutInMs ( ) ) ; for ( int attempts = 0 ; attempts < this . metadataRefreshAttempts ; attempts ++ ) { try { String keyHexString = "" ; lon... | Performs a Versioned put operation with the specified composite request object |
147,907 | public Map < K , List < Versioned < V > > > getAllWithCustomTimeout ( CompositeVoldemortRequest < K , V > requestWrapper ) { validateTimeout ( requestWrapper . getRoutingTimeoutInMs ( ) ) ; Map < K , List < Versioned < V > > > items = null ; for ( int attempts = 0 ; ; attempts ++ ) { if ( attempts >= this . metadataRef... | Performs a get all operation with the specified composite request object |
147,908 | public boolean deleteWithCustomTimeout ( CompositeVoldemortRequest < K , V > deleteRequestObject ) { List < Versioned < V > > versionedValues ; validateTimeout ( deleteRequestObject . getRoutingTimeoutInMs ( ) ) ; boolean hasVersion = deleteRequestObject . getVersion ( ) == null ? false : true ; String keyHexString = "... | Performs a delete operation with the specified composite request object |
147,909 | private void debugLogStart ( String operationType , Long originTimeInMS , Long requestReceivedTimeInMs , String keyString ) { long durationInMs = requestReceivedTimeInMs - originTimeInMS ; logger . debug ( "Received a new request. Operation Type: " + operationType + " , key(s): " + keyString + " , Store: " + this . sto... | Traces the duration between origin time in the http Request and time just before being processed by the fat client |
147,910 | private void debugLogEnd ( String operationType , Long OriginTimeInMs , Long RequestStartTimeInMs , Long ResponseReceivedTimeInMs , String keyString , int numVectorClockEntries ) { long durationInMs = ResponseReceivedTimeInMs - RequestStartTimeInMs ; logger . debug ( "Received a response from voldemort server for Opera... | Traces the time taken just by the fat client inside Coordinator to process this request |
147,911 | public static Node updateNode ( Node node , List < Integer > partitionsList ) { return new Node ( node . getId ( ) , node . getHost ( ) , node . getHttpPort ( ) , node . getSocketPort ( ) , node . getAdminPort ( ) , node . getZoneId ( ) , partitionsList ) ; } | Creates a replica of the node with the new partitions list |
147,912 | public static Node addPartitionToNode ( final Node node , Integer donatedPartition ) { return UpdateClusterUtils . addPartitionsToNode ( node , Sets . newHashSet ( donatedPartition ) ) ; } | Add a partition to the node provided |
147,913 | public static Node removePartitionFromNode ( final Node node , Integer donatedPartition ) { return UpdateClusterUtils . removePartitionsFromNode ( node , Sets . newHashSet ( donatedPartition ) ) ; } | Remove a partition from the node provided |
147,914 | public static Node addPartitionsToNode ( final Node node , final Set < Integer > donatedPartitions ) { List < Integer > deepCopy = new ArrayList < Integer > ( node . getPartitionIds ( ) ) ; deepCopy . addAll ( donatedPartitions ) ; Collections . sort ( deepCopy ) ; return updateNode ( node , deepCopy ) ; } | Add the set of partitions to the node provided |
147,915 | public static Node removePartitionsFromNode ( final Node node , final Set < Integer > donatedPartitions ) { List < Integer > deepCopy = new ArrayList < Integer > ( node . getPartitionIds ( ) ) ; deepCopy . removeAll ( donatedPartitions ) ; return updateNode ( node , deepCopy ) ; } | Remove the set of partitions from the node provided |
147,916 | public static Cluster createUpdatedCluster ( Cluster currentCluster , int stealerNodeId , List < Integer > donatedPartitions ) { Cluster updatedCluster = Cluster . cloneCluster ( currentCluster ) ; for ( int donatedPartition : donatedPartitions ) { Node donorNode = updatedCluster . getNodeForPartitionId ( donatedPartit... | Updates the existing cluster such that we remove partitions mentioned from the stealer node and add them to the donor node |
147,917 | public static void main ( String [ ] args ) { DirectoryIterator iter = new DirectoryIterator ( args ) ; while ( iter . hasNext ( ) ) System . out . println ( iter . next ( ) . getAbsolutePath ( ) ) ; } | Command line method to walk the directories provided on the command line and print out their contents |
147,918 | private void verifyClusterStoreDefinition ( ) { if ( SystemStoreConstants . isSystemStore ( storeDefinition . getName ( ) ) ) { return ; } Set < Integer > clusterZoneIds = cluster . getZoneIds ( ) ; if ( clusterZoneIds . size ( ) > 1 ) { Map < Integer , Integer > zoneRepFactor = storeDefinition . getZoneReplicationFact... | Verify that cluster is congruent to store def wrt zones . |
147,919 | public Integer getNodesPartitionIdForKey ( int nodeId , final byte [ ] key ) { List < Integer > partitionIds = getReplicatingPartitionList ( key ) ; for ( Integer partitionId : partitionIds ) { if ( getNodeIdForPartitionId ( partitionId ) == nodeId ) { return partitionId ; } } return null ; } | Determines the partition ID that replicates the key on the given node . |
147,920 | private List < Integer > getNodeIdListForPartitionIdList ( List < Integer > partitionIds ) throws VoldemortException { List < Integer > nodeIds = new ArrayList < Integer > ( partitionIds . size ( ) ) ; for ( Integer partitionId : partitionIds ) { int nodeId = getNodeIdForPartitionId ( partitionId ) ; if ( nodeIds . con... | Converts from partitionId to nodeId . The list of partition IDs partitionIds is expected to be a replicating partition list i . e . the mapping from partition ID to node ID should be one to one . |
147,921 | public boolean checkKeyBelongsToNode ( byte [ ] key , int nodeId ) { List < Integer > nodePartitions = cluster . getNodeById ( nodeId ) . getPartitionIds ( ) ; List < Integer > replicatingPartitions = getReplicatingPartitionList ( key ) ; replicatingPartitions . retainAll ( nodePartitions ) ; return replicatingPartitio... | Determines if the key replicates to the given node |
147,922 | public static List < Integer > checkKeyBelongsToPartition ( byte [ ] key , Set < Pair < Integer , HashMap < Integer , List < Integer > > > > stealerNodeToMappingTuples , Cluster cluster , StoreDefinition storeDef ) { List < Integer > keyPartitions = new RoutingStrategyFactory ( ) . updateRoutingStrategy ( storeDef , cl... | Given a key and a list of steal infos give back a list of stealer node ids which will steal this . |
147,923 | public synchronized void maybeThrottle ( int eventsSeen ) { if ( maxRatePerSecond > 0 ) { long now = time . milliseconds ( ) ; try { rateSensor . record ( eventsSeen , now ) ; } catch ( QuotaViolationException e ) { double currentRate = e . getValue ( ) ; if ( currentRate > this . maxRatePerSecond ) { double excessRate... | Sleeps if necessary to slow down the caller . |
147,924 | public List < NodeValue < K , V > > getRepairs ( List < NodeValue < K , V > > nodeValues ) { int size = nodeValues . size ( ) ; if ( size <= 1 ) return Collections . emptyList ( ) ; Map < K , List < NodeValue < K , V > > > keyToNodeValues = Maps . newHashMap ( ) ; for ( NodeValue < K , V > nodeValue : nodeValues ) { Li... | Compute the repair set from the given values and nodes |
147,925 | public static List < Versioned < byte [ ] > > resolveVersions ( List < Versioned < byte [ ] > > values ) { List < Versioned < byte [ ] > > resolvedVersions = new ArrayList < Versioned < byte [ ] > > ( values . size ( ) ) ; for ( Versioned < byte [ ] > value : values ) { Iterator < Versioned < byte [ ] > > iter = resolv... | Given a set of versions constructs a resolved list of versions based on the compare function above |
147,926 | public static VectorClock makeClock ( Set < Integer > serverIds , long clockValue , long timestamp ) { List < ClockEntry > clockEntries = new ArrayList < ClockEntry > ( serverIds . size ( ) ) ; for ( Integer serverId : serverIds ) { clockEntries . add ( new ClockEntry ( serverId . shortValue ( ) , clockValue ) ) ; } re... | Generates a vector clock with the provided values |
147,927 | private String swapStore ( String storeName , String directory ) throws VoldemortException { ReadOnlyStorageEngine store = getReadOnlyStorageEngine ( metadataStore , storeRepository , storeName ) ; if ( ! Utils . isReadableDir ( directory ) ) throw new VoldemortException ( "Store directory '" + directory + "' is not a ... | Given a read - only store name and a directory swaps it in while returning the directory path being swapped out |
147,928 | public boolean isCompleteRequest ( ByteBuffer buffer ) { DataInputStream inputStream = new DataInputStream ( new ByteBufferBackedInputStream ( buffer ) ) ; try { int dataSize = inputStream . readInt ( ) ; if ( logger . isTraceEnabled ( ) ) logger . trace ( "In isCompleteRequest, dataSize: " + dataSize + ", buffer posit... | This method is used by non - blocking code to determine if the give buffer represents a complete request . Because the non - blocking code can by definition not just block waiting for more data it s possible to get partial reads and this identifies that case . |
147,929 | public synchronized void unregisterJmxIfRequired ( ) { referenceCount -- ; if ( isRegistered == true && referenceCount <= 0 ) { JmxUtils . unregisterMbean ( this . jmxObjectName ) ; isRegistered = false ; } } | Last caller of this method will unregister the Mbean . All callers decrement the counter . |
147,930 | public static String toBinaryString ( byte [ ] bytes ) { StringBuilder buffer = new StringBuilder ( ) ; for ( byte b : bytes ) { String bin = Integer . toBinaryString ( 0xFF & b ) ; bin = bin . substring ( 0 , Math . min ( bin . length ( ) , 8 ) ) ; for ( int j = 0 ; j < 8 - bin . length ( ) ; j ++ ) { buffer . append ... | Translate the given byte array into a string of 1s and 0s |
147,931 | public static byte [ ] copy ( byte [ ] array , int from , int to ) { if ( to - from < 0 ) { return new byte [ 0 ] ; } else { byte [ ] a = new byte [ to - from ] ; System . arraycopy ( array , from , a , 0 , to - from ) ; return a ; } } | Copy the specified bytes into a new array |
147,932 | public static int readInt ( byte [ ] bytes , int offset ) { return ( ( ( bytes [ offset + 0 ] & 0xff ) << 24 ) | ( ( bytes [ offset + 1 ] & 0xff ) << 16 ) | ( ( bytes [ offset + 2 ] & 0xff ) << 8 ) | ( bytes [ offset + 3 ] & 0xff ) ) ; } | Read an int from the byte array starting at the given offset |
147,933 | public static long readUnsignedInt ( byte [ ] bytes , int offset ) { return ( ( ( bytes [ offset + 0 ] & 0xffL ) << 24 ) | ( ( bytes [ offset + 1 ] & 0xffL ) << 16 ) | ( ( bytes [ offset + 2 ] & 0xffL ) << 8 ) | ( bytes [ offset + 3 ] & 0xffL ) ) ; } | Read an unsigned integer from the given byte array |
147,934 | public static long readBytes ( byte [ ] bytes , int offset , int numBytes ) { int shift = 0 ; long value = 0 ; for ( int i = offset + numBytes - 1 ; i >= offset ; i -- ) { value |= ( bytes [ i ] & 0xFFL ) << shift ; shift += 8 ; } return value ; } | Read the given number of bytes into a long |
147,935 | public static void writeShort ( byte [ ] bytes , short value , int offset ) { bytes [ offset ] = ( byte ) ( 0xFF & ( value >> 8 ) ) ; bytes [ offset + 1 ] = ( byte ) ( 0xFF & value ) ; } | Write a short to the byte array starting at the given offset |
147,936 | public static void writeUnsignedShort ( byte [ ] bytes , int value , int offset ) { bytes [ offset ] = ( byte ) ( 0xFF & ( value >> 8 ) ) ; bytes [ offset + 1 ] = ( byte ) ( 0xFF & value ) ; } | Write an unsigned short to the byte array starting at the given offset |
147,937 | public static void writeInt ( byte [ ] bytes , int value , int offset ) { bytes [ offset ] = ( byte ) ( 0xFF & ( value >> 24 ) ) ; bytes [ offset + 1 ] = ( byte ) ( 0xFF & ( value >> 16 ) ) ; bytes [ offset + 2 ] = ( byte ) ( 0xFF & ( value >> 8 ) ) ; bytes [ offset + 3 ] = ( byte ) ( 0xFF & value ) ; } | Write an int to the byte array starting at the given offset |
147,938 | public static void writeBytes ( byte [ ] bytes , long value , int offset , int numBytes ) { int shift = 0 ; for ( int i = offset + numBytes - 1 ; i >= offset ; i -- ) { bytes [ i ] = ( byte ) ( 0xFF & ( value >> shift ) ) ; shift += 8 ; } } | Write the given number of bytes out to the array |
147,939 | public static byte numberOfBytesRequired ( long number ) { if ( number < 0 ) number = - number ; for ( byte i = 1 ; i <= SIZE_OF_LONG ; i ++ ) if ( number < ( 1L << ( 8 * i ) ) ) return i ; throw new IllegalStateException ( "Should never happen." ) ; } | The number of bytes required to hold the given number |
147,940 | public static void read ( InputStream stream , byte [ ] buffer ) throws IOException { int read = 0 ; while ( read < buffer . length ) { int newlyRead = stream . read ( buffer , read , buffer . length - read ) ; if ( newlyRead == - 1 ) throw new EOFException ( "Attempt to read " + buffer . length + " bytes failed due to... | Read exactly buffer . length bytes from the stream into the buffer |
147,941 | public static byte [ ] getBytes ( String string , String encoding ) { try { return string . getBytes ( encoding ) ; } catch ( UnsupportedEncodingException e ) { throw new IllegalArgumentException ( encoding + " is not a known encoding name." , e ) ; } } | Translate the string to bytes using the given encoding |
147,942 | public static String getString ( byte [ ] bytes , String encoding ) { try { return new String ( bytes , encoding ) ; } catch ( UnsupportedEncodingException e ) { throw new IllegalArgumentException ( encoding + " is not a known encoding name." , e ) ; } } | Create a string from bytes using the given encoding |
147,943 | public void addRequest ( long timeNS , long numEmptyResponses , long valueBytes , long keyBytes , long getAllAggregatedCount ) { long startTimeNs = 0 ; if ( logger . isTraceEnabled ( ) ) { startTimeNs = System . nanoTime ( ) ; } long currentTime = time . milliseconds ( ) ; timeSensor . record ( ( double ) timeNS / vold... | Detailed request to track additional data about PUT GET and GET_ALL |
147,944 | public void addEvent ( Event event ) { if ( event == null ) throw new IllegalStateException ( "event must be non-null" ) ; if ( logger . isTraceEnabled ( ) ) logger . trace ( "Adding event " + event ) ; eventQueue . add ( event ) ; } | Add an event to the queue . It will be processed in the order received . |
147,945 | public void execute ( ) { try { while ( true ) { Event event = null ; try { event = eventQueue . poll ( timeout , unit ) ; } catch ( InterruptedException e ) { throw new InsufficientOperationalNodesException ( operation . getSimpleName ( ) + " operation interrupted!" , e ) ; } if ( event == null ) throw new VoldemortEx... | Process events in the order as they were received . |
147,946 | public static ModelMBean createModelMBean ( Object o ) { try { ModelMBean mbean = new RequiredModelMBean ( ) ; JmxManaged annotation = o . getClass ( ) . getAnnotation ( JmxManaged . class ) ; String description = annotation == null ? "" : annotation . description ( ) ; ModelMBeanInfo info = new ModelMBeanInfoSupport (... | Create a model mbean from an object using the description given in the Jmx annotation if present . Only operations are supported so far no attributes constructors or notifications |
147,947 | public static ModelMBeanOperationInfo [ ] extractOperationInfo ( Object object ) { ArrayList < ModelMBeanOperationInfo > infos = new ArrayList < ModelMBeanOperationInfo > ( ) ; for ( Method m : object . getClass ( ) . getMethods ( ) ) { JmxOperation jmxOperation = m . getAnnotation ( JmxOperation . class ) ; JmxGetter ... | Extract all operations and attributes from the given object that have been annotated with the Jmx annotation . Operations are all methods that are marked with the JmxOperation annotation . |
147,948 | public static MBeanParameterInfo [ ] extractParameterInfo ( Method m ) { Class < ? > [ ] types = m . getParameterTypes ( ) ; Annotation [ ] [ ] annotations = m . getParameterAnnotations ( ) ; MBeanParameterInfo [ ] params = new MBeanParameterInfo [ types . length ] ; for ( int i = 0 ; i < params . length ; i ++ ) { boo... | Extract the parameters from a method using the Jmx annotation if present or just the raw types otherwise |
147,949 | public static ObjectName createObjectName ( String domain , String type ) { try { return new ObjectName ( domain + ":type=" + type ) ; } catch ( MalformedObjectNameException e ) { throw new VoldemortException ( e ) ; } } | Create a JMX ObjectName |
147,950 | public static String getClassName ( Class < ? > c ) { String name = c . getName ( ) ; return name . substring ( name . lastIndexOf ( '.' ) + 1 , name . length ( ) ) ; } | Get the class name without the package |
147,951 | public static void registerMbean ( Object mbean , ObjectName name ) { registerMbean ( ManagementFactory . getPlatformMBeanServer ( ) , JmxUtils . createModelMBean ( mbean ) , name ) ; } | Register the given mbean with the platform mbean server |
147,952 | public static ObjectName registerMbean ( String typeName , Object obj ) { MBeanServer server = ManagementFactory . getPlatformMBeanServer ( ) ; ObjectName name = JmxUtils . createObjectName ( JmxUtils . getPackageName ( obj . getClass ( ) ) , typeName ) ; registerMbean ( server , JmxUtils . createModelMBean ( obj ) , n... | Register the given object under the package name of the object s class with the given type name . |
147,953 | public static void registerMbean ( MBeanServer server , ModelMBean mbean , ObjectName name ) { try { synchronized ( LOCK ) { if ( server . isRegistered ( name ) ) JmxUtils . unregisterMbean ( server , name ) ; server . registerMBean ( mbean , name ) ; } } catch ( Exception e ) { logger . error ( "Error registering mbea... | Register the given mbean with the server |
147,954 | public static void unregisterMbean ( MBeanServer server , ObjectName name ) { try { server . unregisterMBean ( name ) ; } catch ( Exception e ) { logger . error ( "Error unregistering mbean" , e ) ; } } | Unregister the mbean with the given name |
147,955 | public static void unregisterMbean ( ObjectName name ) { try { ManagementFactory . getPlatformMBeanServer ( ) . unregisterMBean ( name ) ; } catch ( Exception e ) { logger . error ( "Error unregistering mbean" , e ) ; } } | Unregister the mbean with the given name from the platform mbean server |
147,956 | public static boolean isFormatCorrect ( String fileName , ReadOnlyStorageFormat format ) { switch ( format ) { case READONLY_V0 : case READONLY_V1 : if ( fileName . matches ( "^[\\d]+_[\\d]+\\.(data|index)" ) ) { return true ; } else { return false ; } case READONLY_V2 : if ( fileName . matches ( "^[\\d]+_[\\d]+_[\\d]+... | Given a file name and read - only storage format tells whether the file name format is correct |
147,957 | public static int getChunkId ( String fileName ) { Pattern pattern = Pattern . compile ( "_[\\d]+\\." ) ; Matcher matcher = pattern . matcher ( fileName ) ; if ( matcher . find ( ) ) { return new Integer ( fileName . substring ( matcher . start ( ) + 1 , matcher . end ( ) - 1 ) ) ; } else { throw new VoldemortException... | Returns the chunk id for the file name |
147,958 | public static File getCurrentVersion ( File storeDirectory ) { File latestDir = getLatestDir ( storeDirectory ) ; if ( latestDir != null ) return latestDir ; File [ ] versionDirs = getVersionDirs ( storeDirectory ) ; if ( versionDirs == null || versionDirs . length == 0 ) { return null ; } else { return findKthVersione... | Retrieve the dir pointed to by latest symbolic - link or the current version dir |
147,959 | public static boolean checkVersionDirName ( File versionDir ) { return ( versionDir . isDirectory ( ) && versionDir . getName ( ) . contains ( "version-" ) && ! versionDir . getName ( ) . endsWith ( ".bak" ) ) ; } | Checks if the name of the file follows the version - n format |
147,960 | private static long getVersionId ( String versionDir ) { try { return Long . parseLong ( versionDir . replace ( "version-" , "" ) ) ; } catch ( NumberFormatException e ) { logger . trace ( "Cannot parse version directory to obtain id " + versionDir ) ; return - 1 ; } } | Extracts the version id from a string |
147,961 | public static File [ ] getVersionDirs ( File rootDir , final long minId , final long maxId ) { return rootDir . listFiles ( new FileFilter ( ) { public boolean accept ( File pathName ) { if ( checkVersionDirName ( pathName ) ) { long versionId = getVersionId ( pathName ) ; if ( versionId != - 1 && versionId <= maxId &&... | Returns all the version directories present in the root directory specified |
147,962 | protected void stopInner ( ) throws VoldemortException { List < VoldemortException > exceptions = new ArrayList < VoldemortException > ( ) ; logger . info ( "Stopping services:" + getIdentityNode ( ) . getId ( ) ) ; exceptions . addAll ( stopOnlineServices ( ) ) ; for ( VoldemortService service : Utils . reversed ( bas... | Attempt to shutdown the server . As much shutdown as possible will be completed even if intermediate errors are encountered . |
147,963 | private int getReplicaTypeForPartition ( int partitionId ) { List < Integer > routingPartitionList = routingStrategy . getReplicatingPartitionList ( partitionId ) ; int correctReplicaType = - 1 ; for ( int replica = 0 ; replica < routingPartitionList . size ( ) ; replica ++ ) { if ( nodePartitionIds . contains ( routin... | Given a partition ID determine which replica of this partition is hosted by the current node if any . |
147,964 | private void renameReadOnlyV2Files ( int masterPartitionId , int correctReplicaType ) { for ( int replica = 0 ; replica < routingStrategy . getNumReplicas ( ) ; replica ++ ) { if ( replica != correctReplicaType ) { int chunkId = 0 ; while ( true ) { String fileName = Integer . toString ( masterPartitionId ) + "_" + Int... | This function looks for files with the wrong replica type in their name and if it finds any renames them . |
147,965 | public byte [ ] keyToStorageFormat ( byte [ ] key ) { switch ( getReadOnlyStorageFormat ( ) ) { case READONLY_V0 : case READONLY_V1 : return ByteUtils . md5 ( key ) ; case READONLY_V2 : return ByteUtils . copy ( ByteUtils . md5 ( key ) , 0 , 2 * ByteUtils . SIZE_OF_INT ) ; default : throw new VoldemortException ( "Unkn... | Converts the key to the format in which it is stored for searching |
147,966 | public int getChunkForKey ( byte [ ] key ) throws IllegalStateException { if ( numChunks == 0 ) { throw new IllegalStateException ( "The ChunkedFileSet is closed." ) ; } switch ( storageFormat ) { case READONLY_V0 : { return ReadOnlyUtils . chunk ( ByteUtils . md5 ( key ) , numChunks ) ; } case READONLY_V1 : { if ( nod... | Given a particular key first converts its to the storage format and then determines which chunk it belongs to |
147,967 | private static List < String > parseAndCompare ( List < String > fileNames , int masterPartitionId ) { List < String > sourceFileNames = new ArrayList < String > ( ) ; for ( String fileName : fileNames ) { String [ ] partitionIdReplicaChunk = fileName . split ( SPLIT_LITERAL ) ; if ( Integer . parseInt ( partitionIdRep... | This method take a list of fileName of the type partitionId_Replica_Chunk and returns file names that match the regular expression masterPartitionId_ |
147,968 | @ JmxGetter ( name = "getChunkIdToNumChunks" , description = "Returns a string representation of the map of chunk id to number of chunks" ) public String getChunkIdToNumChunks ( ) { StringBuilder builder = new StringBuilder ( ) ; for ( Entry < Object , Integer > entry : fileSet . getChunkIdToNumChunks ( ) . entrySet ( ... | Returns a string representation of map of chunk id to number of chunks |
147,969 | public void open ( File versionDir ) { fileModificationLock . writeLock ( ) . lock ( ) ; try { if ( isOpen ) throw new IllegalStateException ( "Attempt to open already open store." ) ; if ( versionDir == null ) { versionDir = ReadOnlyUtils . getCurrentVersion ( storeDir ) ; if ( versionDir == null ) versionDir = new Fi... | Open the store with the version directory specified . If null is specified we open the directory with the maximum version |
147,970 | @ JmxGetter ( name = "lastSwapped" , description = "Time in milliseconds since the store was swapped" ) public long getLastSwapped ( ) { long timeSinceLastSwap = System . currentTimeMillis ( ) - lastSwapped ; return timeSinceLastSwap > 0 ? timeSinceLastSwap : 0 ; } | Time since last time the store was swapped |
147,971 | public void close ( ) throws VoldemortException { logger . debug ( "Close called for read-only store." ) ; this . fileModificationLock . writeLock ( ) . lock ( ) ; try { if ( isOpen ) { this . isOpen = false ; fileSet . close ( ) ; } else { logger . debug ( "Attempt to close already closed store " + getName ( ) ) ; } }... | Close the store . |
147,972 | @ JmxOperation ( description = "swapFiles changes this store to use the new data directory" ) public void swapFiles ( String newStoreDirectory ) { logger . info ( "Swapping files for store '" + getName ( ) + "' to " + newStoreDirectory ) ; File newVersionDir = new File ( newStoreDirectory ) ; if ( ! newVersionDir . exi... | Swap the current version folder for a new one |
147,973 | private void deleteBackups ( ) { File [ ] storeDirList = ReadOnlyUtils . getVersionDirs ( storeDir , 0L , getCurrentVersionId ( ) ) ; if ( storeDirList != null && storeDirList . length > ( numBackups + 1 ) ) { File [ ] extraBackups = ReadOnlyUtils . findKthVersionedDir ( storeDirList , 0 , storeDirList . length - ( num... | Delete all backups asynchronously |
147,974 | private void deleteAsync ( final File file ) { new Thread ( new Runnable ( ) { public void run ( ) { try { try { logger . info ( "Waiting for " + deleteBackupMs + " milliseconds before deleting " + file . getAbsolutePath ( ) ) ; Thread . sleep ( deleteBackupMs ) ; } catch ( InterruptedException e ) { logger . warn ( "D... | Delete the given file in a separate thread |
147,975 | public void rollback ( File rollbackToDir ) { logger . info ( "Rolling back store '" + getName ( ) + "'" ) ; fileModificationLock . writeLock ( ) . lock ( ) ; try { if ( rollbackToDir == null ) throw new VoldemortException ( "Version directory specified to rollback is null" ) ; if ( ! rollbackToDir . exists ( ) ) throw... | Rollback to the specified push version |
147,976 | protected boolean hasTimeOutHeader ( ) { boolean result = false ; String timeoutValStr = this . request . getHeader ( RestMessageHeaders . X_VOLD_REQUEST_TIMEOUT_MS ) ; if ( timeoutValStr != null ) { try { this . parsedTimeoutInMs = Long . parseLong ( timeoutValStr ) ; if ( this . parsedTimeoutInMs < 0 ) { RestErrorHan... | Retrieve and validate the timeout value from the REST request . X_VOLD_REQUEST_TIMEOUT_MS is the timeout header . |
147,977 | protected void parseRoutingCodeHeader ( ) { String rtCode = this . request . getHeader ( RestMessageHeaders . X_VOLD_ROUTING_TYPE_CODE ) ; if ( rtCode != null ) { try { int routingTypeCode = Integer . parseInt ( rtCode ) ; this . parsedRoutingType = RequestRoutingType . getRequestRoutingType ( routingTypeCode ) ; } cat... | Retrieve the routing type value from the REST request . X_VOLD_ROUTING_TYPE_CODE is the routing type header . |
147,978 | protected boolean hasTimeStampHeader ( ) { String originTime = request . getHeader ( RestMessageHeaders . X_VOLD_REQUEST_ORIGIN_TIME_MS ) ; boolean result = false ; if ( originTime != null ) { try { this . parsedRequestOriginTimeInMs = System . currentTimeMillis ( ) ; if ( this . parsedRequestOriginTimeInMs < 0 ) { Res... | Retrieve and validate the timestamp value from the REST request . X_VOLD_REQUEST_ORIGIN_TIME_MS is timestamp header |
147,979 | protected boolean hasVectorClock ( boolean isVectorClockOptional ) { boolean result = false ; String vectorClockHeader = this . request . getHeader ( RestMessageHeaders . X_VOLD_VECTOR_CLOCK ) ; if ( vectorClockHeader != null ) { ObjectMapper mapper = new ObjectMapper ( ) ; try { VectorClockWrapper vcWrapper = mapper .... | Retrieve and validate vector clock value from the REST request . X_VOLD_VECTOR_CLOCK is the vector clock header . |
147,980 | protected boolean hasKey ( ) { boolean result = false ; String requestURI = this . request . getUri ( ) ; parseKeys ( requestURI ) ; if ( this . parsedKeys != null ) { result = true ; } else { logger . error ( "Error when validating request. No key specified." ) ; RestErrorHandler . writeErrorResponse ( this . messageE... | Retrieve and validate the key from the REST request . |
147,981 | protected boolean isStoreValid ( ) { boolean result = false ; String requestURI = this . request . getUri ( ) ; this . storeName = parseStoreName ( requestURI ) ; if ( storeName != null ) { result = true ; } else { logger . error ( "Error when validating request. Missing store name." ) ; RestErrorHandler . writeErrorRe... | Retrieve and validate store name from the REST request . |
147,982 | protected void debugLog ( String operationType , Long receivedTimeInMs ) { long durationInMs = receivedTimeInMs - ( this . parsedRequestOriginTimeInMs ) ; int numVectorClockEntries = ( this . parsedVectorClock == null ? 0 : this . parsedVectorClock . getVersionMap ( ) . size ( ) ) ; logger . debug ( "Received a new req... | Prints a debug log message that details the time taken for the Http request to be parsed by the coordinator |
147,983 | public File fetch ( String source , String dest , long diskQuotaSizeInKB ) throws Exception { return fetchFromSource ( source , dest , null , null , - 1 , diskQuotaSizeInKB , null ) ; } | Used for unit tests only . |
147,984 | public static void main ( String [ ] args ) throws Exception { if ( args . length < 1 ) Utils . croak ( "USAGE: java " + HdfsFetcher . class . getName ( ) + " url [keytab-location kerberos-username hadoop-config-path [destDir]]" ) ; String url = args [ 0 ] ; VoldemortConfig config = new VoldemortConfig ( - 1 , "" ) ; H... | Main method for testing fetching |
147,985 | public synchronized int getPartitionStoreMoves ( ) { int count = 0 ; for ( List < Integer > entry : storeToPartitionIds . values ( ) ) count += entry . size ( ) ; return count ; } | Total count of partition - stores moved in this task . |
147,986 | public synchronized int getPartitionStoreCount ( ) { int count = 0 ; for ( String store : storeToPartitionIds . keySet ( ) ) { count += storeToPartitionIds . get ( store ) . size ( ) ; } return count ; } | Returns the total count of partitions across all stores . |
147,987 | public static String taskListToString ( List < RebalanceTaskInfo > infos ) { StringBuffer sb = new StringBuffer ( ) ; for ( RebalanceTaskInfo info : infos ) { sb . append ( "\t" ) . append ( info . getDonorId ( ) ) . append ( " -> " ) . append ( info . getStealerId ( ) ) . append ( " : [" ) ; for ( String storeName : i... | Pretty prints a task list of rebalancing tasks . |
147,988 | public void map ( GenericData . Record record , AvroCollector < Pair < ByteBuffer , ByteBuffer > > collector , Reporter reporter ) throws IOException { byte [ ] keyBytes = null ; byte [ ] valBytes = null ; Object keyRecord = null ; Object valRecord = null ; try { keyRecord = record . get ( keyField ) ; valRecord = reco... | Create the voldemort key and value from the input Avro record by extracting the key and value and map it out for each of the responsible voldemort nodes |
147,989 | public static Pointer mmap ( long len , int prot , int flags , int fildes , long off ) throws IOException { Pointer addr = new Pointer ( 0 ) ; Pointer result = Delegate . mmap ( addr , new NativeLong ( len ) , prot , flags , fildes , new NativeLong ( off ) ) ; if ( Pointer . nativeValue ( result ) == - 1 ) { if ( logge... | Map the given region of the given file descriptor into memory . Returns a Pointer to the newly mapped memory throws an IOException on error . |
147,990 | public static void mlock ( Pointer addr , long len ) { int res = Delegate . mlock ( addr , new NativeLong ( len ) ) ; if ( res != 0 ) { if ( logger . isDebugEnabled ( ) ) { logger . debug ( "Mlock failed probably because of insufficient privileges, errno:" + errno . strerror ( ) + ", return value:" + res ) ; } } else {... | Lock the given region . Does not report failures . |
147,991 | public static void munlock ( Pointer addr , long len ) { if ( Delegate . munlock ( addr , new NativeLong ( len ) ) != 0 ) { if ( logger . isDebugEnabled ( ) ) logger . debug ( "munlocking failed with errno:" + errno . strerror ( ) ) ; } else { if ( logger . isDebugEnabled ( ) ) logger . debug ( "munlocking region" ) ; ... | Unlock the given region . Does not report failures . |
147,992 | public JsonTypeDefinition projectionType ( String ... properties ) { if ( this . getType ( ) instanceof Map < ? , ? > ) { Map < ? , ? > type = ( Map < ? , ? > ) getType ( ) ; Arrays . sort ( properties ) ; Map < String , Object > newType = new LinkedHashMap < String , Object > ( ) ; for ( String prop : properties ) new... | Get the type created by selecting only a subset of properties from this type . The type must be a map for this to work |
147,993 | private void writeBufferedValsToStorage ( ) { List < Versioned < byte [ ] > > obsoleteVals = storageEngine . multiVersionPut ( currBufferedKey , currBufferedVals ) ; if ( logger . isDebugEnabled ( ) && obsoleteVals . size ( ) > 0 ) { logger . debug ( "updateEntries (Streaming multi-version-put) rejected these versions ... | Persists the current set of versions buffered for the current key into storage using the multiVersionPut api |
147,994 | public synchronized boolean acquireRebalancingPermit ( int nodeId ) { boolean added = rebalancePermits . add ( nodeId ) ; logger . info ( "Acquiring rebalancing permit for node id " + nodeId + ", returned: " + added ) ; return added ; } | Acquire a permit for a particular node id so as to allow rebalancing |
147,995 | public synchronized void releaseRebalancingPermit ( int nodeId ) { boolean removed = rebalancePermits . remove ( nodeId ) ; logger . info ( "Releasing rebalancing permit for node id " + nodeId + ", returned: " + removed ) ; if ( ! removed ) throw new VoldemortException ( new IllegalStateException ( "Invalid state, must... | Release the rebalancing permit for a particular node id |
147,996 | private void swapROStores ( List < String > swappedStoreNames , boolean useSwappedStoreNames ) { try { for ( StoreDefinition storeDef : metadataStore . getStoreDefList ( ) ) { if ( storeDef . getType ( ) . compareTo ( ReadOnlyStorageConfiguration . TYPE_NAME ) == 0 ) { if ( useSwappedStoreNames && ! swappedStoreNames .... | Goes through all the RO Stores in the plan and swaps it |
147,997 | private void changeClusterAndStores ( String clusterKey , final Cluster cluster , String storesKey , final List < StoreDefinition > storeDefs ) { metadataStore . writeLock . lock ( ) ; try { VectorClock updatedVectorClock = ( ( VectorClock ) metadataStore . get ( clusterKey , null ) . get ( 0 ) . getVersion ( ) ) . inc... | Updates the cluster and store metadata atomically |
147,998 | public int rebalanceNode ( final RebalanceTaskInfo stealInfo ) { final RebalanceTaskInfo info = metadataStore . getRebalancerState ( ) . find ( stealInfo . getDonorId ( ) ) ; if ( info == null ) { throw new VoldemortException ( "Could not find plan " + stealInfo + " in the server state on " + metadataStore . getNodeId ... | This function is responsible for starting the actual async rebalance operation . This is run if this node is the stealer node |
147,999 | protected void prepForWrite ( SelectionKey selectionKey ) { if ( logger . isTraceEnabled ( ) ) traceInputBufferState ( "About to clear read buffer" ) ; if ( requestHandlerFactory . shareReadWriteBuffer ( ) == false ) { inputStream . clear ( ) ; } if ( logger . isTraceEnabled ( ) ) traceInputBufferState ( "Cleared read ... | Flips the output buffer and lets the Selector know we re ready to write . |
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