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public boolean releaseIfHolds(T referenced) { Ref ref = references.remove(referenced); if (ref != null) ref.release(); return ref != null; }
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public void release(Collection<T> release) { List<Ref<T>> refs = new ArrayList<>(); List<T> notPresent = null; for (T obj : release) { Ref<T> ref = references.remove(obj); if (ref == null) { if (notPresent == null) ...
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public boolean tryRef(T t) { Ref<T> ref = t.tryRef(); if (ref == null) return false; ref = references.put(t, ref); if (ref != null) ref.release(); // release dup return true; }
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public Refs<T> addAll(Refs<T> add) { List<Ref<T>> overlap = new ArrayList<>(); for (Map.Entry<T, Ref<T>> e : add.references.entrySet()) { if (this.references.containsKey(e.getKey())) overlap.add(e.getValue()); else this.references.put(e...
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public static <T extends RefCounted<T>> Refs<T> tryRef(Iterable<T> reference) { HashMap<T, Ref<T>> refs = new HashMap<>(); for (T rc : reference) { Ref<T> ref = rc.tryRef(); if (ref == null) { release(refs.values()); return ...
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public Allocation allocate(Mutation mutation, int size) { CommitLogSegment segment = allocatingFrom(); Allocation alloc; while ( null == (alloc = segment.allocate(mutation, size)) ) { // failed to allocate, so move to a new segment with enough room advanceAll...
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CommitLogSegment allocatingFrom() { CommitLogSegment r = allocatingFrom; if (r == null) { advanceAllocatingFrom(null); r = allocatingFrom; } return r; }
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private void advanceAllocatingFrom(CommitLogSegment old) { while (true) { CommitLogSegment next; synchronized (this) { // do this in a critical section so we can atomically remove from availableSegments and add to allocatingFrom/activeSegments ...
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void forceRecycleAll(Iterable<UUID> droppedCfs) { List<CommitLogSegment> segmentsToRecycle = new ArrayList<>(activeSegments); CommitLogSegment last = segmentsToRecycle.get(segmentsToRecycle.size() - 1); advanceAllocatingFrom(last); // wait for the commit log modifications la...
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void recycleSegment(final CommitLogSegment segment) { boolean archiveSuccess = CommitLog.instance.archiver.maybeWaitForArchiving(segment.getName()); activeSegments.remove(segment); if (!archiveSuccess) { // if archiving (command) was not successful then leave the file alo...
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void recycleSegment(final File file) { if (isCapExceeded() || CommitLogDescriptor.fromFileName(file.getName()).getMessagingVersion() != MessagingService.current_version) { // (don't decrease managed size, since this was never a "live" segment) logger.debug("(Unope...
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private void discardSegment(final CommitLogSegment segment, final boolean deleteFile) { logger.debug("Segment {} is no longer active and will be deleted {}", segment, deleteFile ? "now" : "by the archive script"); size.addAndGet(-DatabaseDescriptor.getCommitLogSegmentSize()); segmentManagem...
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public void resetUnsafe() { logger.debug("Closing and clearing existing commit log segments..."); while (!segmentManagementTasks.isEmpty()) Thread.yield(); for (CommitLogSegment segment : activeSegments) segment.close(); activeSegments.clear(); for ...
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public static BloomSpecification computeBloomSpec(int bucketsPerElement) { assert bucketsPerElement >= 1; assert bucketsPerElement <= probs.length - 1; return new BloomSpecification(optKPerBuckets[bucketsPerElement], bucketsPerElement); }
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public static int maxBucketsPerElement(long numElements) { numElements = Math.max(1, numElements); double v = (Long.MAX_VALUE - EXCESS) / (double)numElements; if (v < 1.0) { throw new UnsupportedOperationException("Cannot compute probabilities for " + numElements + " elem...
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public Boolean getBoolean(String key, Boolean defaultValue) throws SyntaxException { String value = getSimple(key); return (value == null) ? defaultValue : value.toLowerCase().matches("(1|true|yes)"); }
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public Double getDouble(String key, Double defaultValue) throws SyntaxException { String value = getSimple(key); if (value == null) { return defaultValue; } else { try { return Double.valueOf(value); } ...
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public Integer getInt(String key, Integer defaultValue) throws SyntaxException { String value = getSimple(key); return toInt(key, value, defaultValue); }
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public static ReplayPosition getReplayPosition(Iterable<? extends SSTableReader> sstables) { if (Iterables.isEmpty(sstables)) return NONE; Function<SSTableReader, ReplayPosition> f = new Function<SSTableReader, ReplayPosition>() { public ReplayPosition apply(SSTableR...
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public void setDiscarding() { state = state.transition(LifeCycle.DISCARDING); // mark the memory owned by this allocator as reclaiming onHeap.markAllReclaiming(); offHeap.markAllReclaiming(); }
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private <T extends Number> Gauge<Long> createKeyspaceGauge(String name, final MetricValue extractor) { allMetrics.add(name); return Metrics.newGauge(factory.createMetricName(name), new Gauge<Long>() { public Long value() { long sum = 0; ...
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public LongToken getToken(ByteBuffer key) { if (key.remaining() == 0) return MINIMUM; long[] hash = new long[2]; MurmurHash.hash3_x64_128(key, key.position(), key.remaining(), 0, hash); return new LongToken(normalize(hash[0])); }
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private static BigInteger bigForString(String str, int sigchars) { assert str.length() <= sigchars; BigInteger big = BigInteger.ZERO; for (int i = 0; i < str.length(); i++) { int charpos = 16 * (sigchars - (i + 1)); BigInteger charbig = BigInteger.valueOf(str...
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private void setupDefaultUser() { try { // insert the default superuser if AUTH_KS.CREDENTIALS_CF is empty. if (!hasExistingUsers()) { process(String.format("INSERT INTO %s.%s (username, salted_hash) VALUES ('%s', '%s') USING TIMESTAMP 0", ...
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public synchronized void received(SSTableWriter sstable) { if (done) return; assert cfId.equals(sstable.metadata.cfId); sstables.add(sstable); if (sstables.size() == totalFiles) { done = true; executor.submit(new OnCompletionRunnable(this...
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<V> void find(Object[] node, Comparator<V> comparator, Object target, Op mode, boolean forwards) { // TODO : should not require parameter 'forwards' - consider modifying index to represent both // child and key position, as opposed to just key position (which necessitates a different value depending...
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void successor() { Object[] node = currentNode(); int i = currentIndex(); if (!isLeaf(node)) { // if we're on a key in a branch, we MUST have a descendant either side of us, // so we always go down the left-most child until we hit a leaf node = (O...
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protected Tuple composeComposite(AbstractCompositeType comparator, ByteBuffer name) throws IOException { List<CompositeComponent> result = comparator.deconstruct(name); Tuple t = TupleFactory.getInstance().newTuple(result.size()); for (int i=0; i<result.size(); i++) setTupleValue...
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protected Tuple columnToTuple(Cell col, CfInfo cfInfo, AbstractType comparator) throws IOException { CfDef cfDef = cfInfo.cfDef; Tuple pair = TupleFactory.getInstance().newTuple(2); ByteBuffer colName = col.name().toByteBuffer(); // name if(comparator instanceof AbstractCom...
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protected CfInfo getCfInfo(String signature) throws IOException { UDFContext context = UDFContext.getUDFContext(); Properties property = context.getUDFProperties(AbstractCassandraStorage.class); String prop = property.getProperty(signature); CfInfo cfInfo = new CfInfo(); cfIn...
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protected Map<MarshallerType, AbstractType> getDefaultMarshallers(CfDef cfDef) throws IOException { Map<MarshallerType, AbstractType> marshallers = new EnumMap<MarshallerType, AbstractType>(MarshallerType.class); AbstractType comparator; AbstractType subcomparator; AbstractType defau...
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protected Map<ByteBuffer, AbstractType> getValidatorMap(CfDef cfDef) throws IOException { Map<ByteBuffer, AbstractType> validators = new HashMap<ByteBuffer, AbstractType>(); for (ColumnDef cd : cfDef.getColumn_metadata()) { if (cd.getValidation_class() != null && !cd.getValidatio...
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protected AbstractType parseType(String type) throws IOException { try { // always treat counters like longs, specifically CCT.compose is not what we need if (type != null && type.equals("org.apache.cassandra.db.marshal.CounterColumnType")) return LongType...
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public static Map<String, String> getQueryMap(String query) throws UnsupportedEncodingException { String[] params = query.split("&"); Map<String, String> map = new HashMap<String, String>(); for (String param : params) { String[] keyValue = param.split("="); ...
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protected byte getPigType(AbstractType type) { if (type instanceof LongType || type instanceof DateType || type instanceof TimestampType) // DateType is bad and it should feel bad return DataType.LONG; else if (type instanceof IntegerType || type instanceof Int32Type) // IntegerType will...
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protected ByteBuffer objToBB(Object o) { if (o == null) return nullToBB(); if (o instanceof java.lang.String) return ByteBuffer.wrap(new DataByteArray((String)o).get()); if (o instanceof Integer) return Int32Type.instance.decompose((Integer)o); if ...
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protected void initSchema(String signature) throws IOException { Properties properties = UDFContext.getUDFContext().getUDFProperties(AbstractCassandraStorage.class); // Only get the schema if we haven't already gotten it if (!properties.containsKey(signature)) { try ...
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protected static String cfdefToString(CfDef cfDef) throws IOException { assert cfDef != null; // this is so awful it's kind of cool! TSerializer serializer = new TSerializer(new TBinaryProtocol.Factory()); try { return Hex.bytesToHex(serializer.serialize(cfDef)); ...
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protected static CfDef cfdefFromString(String st) throws IOException { assert st != null; TDeserializer deserializer = new TDeserializer(new TBinaryProtocol.Factory()); CfDef cfDef = new CfDef(); try { deserializer.deserialize(cfDef, Hex.hexToBytes(st)); }...
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protected CfInfo getCfInfo(Cassandra.Client client) throws InvalidRequestException, UnavailableException, TimedOutException, SchemaDisagreementException, TException, NotFoundException, org.apach...
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protected List<ColumnDef> getColumnMeta(Cassandra.Client client, boolean cassandraStorage, boolean includeCompactValueColumn) throws InvalidRequestException, UnavailableException, TimedOutException, SchemaDisagreementException, TException, Characte...
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protected IndexType getIndexType(String type) { type = type.toLowerCase(); if ("keys".equals(type)) return IndexType.KEYS; else if("custom".equals(type)) return IndexType.CUSTOM; else if("composites".equals(type)) return IndexType.COMPOSITES; ...
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public String[] getPartitionKeys(String location, Job job) throws IOException { if (!usePartitionFilter) return null; List<ColumnDef> indexes = getIndexes(); String[] partitionKeys = new String[indexes.size()]; for (int i = 0; i < indexes.size(); i++) { ...
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protected List<ColumnDef> getIndexes() throws IOException { CfDef cfdef = getCfInfo(loadSignature).cfDef; List<ColumnDef> indexes = new ArrayList<ColumnDef>(); for (ColumnDef cdef : cfdef.column_metadata) { if (cdef.index_type != null) indexes.add(cdef); ...
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protected CFMetaData getCFMetaData(String ks, String cf, Cassandra.Client client) throws NotFoundException, InvalidRequestException, TException, org.apache.cassandra.exceptions.InvalidRequestException, ConfigurationException { KsDef ksDef = client....
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public void commit() { Log.info("Committing"); try { indexWriter.commit(); } catch (IOException e) { Log.error(e, "Error while committing"); throw new RuntimeException(e); } }
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public void close() { Log.info("Closing index"); try { Log.info("Closing"); searcherReopener.interrupt(); searcherManager.close(); indexWriter.close(); directory.close(); } catch (IOException e) { Log.error(e, "Error while c...
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public void optimize() { Log.debug("Optimizing index"); try { indexWriter.forceMerge(1, true); indexWriter.commit(); } catch (IOException e) { Log.error(e, "Error while optimizing index"); throw new RuntimeException(e); } }
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private long beforeAppend(DecoratedKey decoratedKey) { assert decoratedKey != null : "Keys must not be null"; // empty keys ARE allowed b/c of indexed column values if (lastWrittenKey != null && lastWrittenKey.compareTo(decoratedKey) >= 0) throw new RuntimeException("Last written key " +...
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public void abort() { assert descriptor.type.isTemporary; if (iwriter == null && dataFile == null) return; if (iwriter != null) iwriter.abort(); if (dataFile!= null) dataFile.abort(); Set<Component> components = SSTable.componentsFor(des...
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public void reset(Object[] btree, boolean forwards) { _reset(btree, null, NEGATIVE_INFINITY, false, POSITIVE_INFINITY, false, forwards); }
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public Pair<Long, Long> addAllWithSizeDelta(final ColumnFamily cm, MemtableAllocator allocator, OpOrder.Group writeOp, Updater indexer) { ColumnUpdater updater = new ColumnUpdater(this, cm.metadata, allocator, writeOp, indexer); DeletionInfo inputDeletionInfoCopy = null; boolean monitorOwne...
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private boolean updateWastedAllocationTracker(long wastedBytes) { // Early check for huge allocation that exceeds the limit if (wastedBytes < EXCESS_WASTE_BYTES) { // We round up to ensure work < granularity are still accounted for int wastedAllocation = ((int) (wastedByt...
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public ByteBuffer getElement(ByteBuffer serializedList, int index) { try { ByteBuffer input = serializedList.duplicate(); int n = readCollectionSize(input, Server.VERSION_3); if (n <= index) return null; for (int i = 0; i < index; i++)...
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private void releaseReferences() { for (SSTableReader sstable : sstables) { sstable.selfRef().release(); assert sstable.selfRef().globalCount() == 0; } }
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public TimeCounter start() { switch (state) { case UNSTARTED: watch.start(); break; case RUNNING: throw new IllegalStateException("Already started. "); case STOPPED: watch.resume(); } state = Stat...
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public TimeCounter stop() { switch (state) { case UNSTARTED: throw new IllegalStateException("Not started. "); case STOPPED: throw new IllegalStateException("Already stopped. "); case RUNNING: watch.suspend(); } ...
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public static List<TriggerDefinition> fromSchema(Row serializedTriggers) { List<TriggerDefinition> triggers = new ArrayList<>(); String query = String.format("SELECT * FROM %s.%s", Keyspace.SYSTEM_KS, SystemKeyspace.SCHEMA_TRIGGERS_CF); for (UntypedResultSet.Row row : QueryProcessor.resultif...
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public void toSchema(Mutation mutation, String cfName, long timestamp) { ColumnFamily cf = mutation.addOrGet(SystemKeyspace.SCHEMA_TRIGGERS_CF); CFMetaData cfm = CFMetaData.SchemaTriggersCf; Composite prefix = cfm.comparator.make(cfName, name); CFRowAdder adder = new CFRowAdder(cf, ...
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public void deleteFromSchema(Mutation mutation, String cfName, long timestamp) { ColumnFamily cf = mutation.addOrGet(SystemKeyspace.SCHEMA_TRIGGERS_CF); int ldt = (int) (System.currentTimeMillis() / 1000); Composite prefix = CFMetaData.SchemaTriggersCf.comparator.make(cfName, name); ...
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void clear() { NodeBuilder current = this; while (current != null && current.upperBound != null) { current.clearSelf(); current = current.child; } current = parent; while (current != null && current.upperBound != null) { cur...
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NodeBuilder update(Object key) { assert copyFrom != null; int copyFromKeyEnd = getKeyEnd(copyFrom); int i = copyFromKeyPosition; boolean found; // exact key match? boolean owns = true; // true iff this node (or a child) should contain the key if (i == copyFromKeyEnd)...
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NodeBuilder ascendToRoot() { NodeBuilder current = this; while (!current.isRoot()) current = current.ascend(); return current; }
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Object[] toNode() { assert buildKeyPosition <= FAN_FACTOR && (buildKeyPosition > 0 || copyFrom.length > 0) : buildKeyPosition; return buildFromRange(0, buildKeyPosition, isLeaf(copyFrom), false); }
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private NodeBuilder ascend() { ensureParent(); boolean isLeaf = isLeaf(copyFrom); if (buildKeyPosition > FAN_FACTOR) { // split current node and move the midpoint into parent, with the two halves as children int mid = buildKeyPosition / 2; parent.a...
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void addNewKey(Object key) { ensureRoom(buildKeyPosition + 1); buildKeys[buildKeyPosition++] = updateFunction.apply(key); }
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private void addExtraChild(Object[] child, Object upperBound) { ensureRoom(buildKeyPosition + 1); buildKeys[buildKeyPosition++] = upperBound; buildChildren[buildChildPosition++] = child; }
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private void ensureRoom(int nextBuildKeyPosition) { if (nextBuildKeyPosition < MAX_KEYS) return; // flush even number of items so we don't waste leaf space repeatedly Object[] flushUp = buildFromRange(0, FAN_FACTOR, isLeaf(copyFrom), true); ensureParent().addExtraChild(f...
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private Object[] buildFromRange(int offset, int keyLength, boolean isLeaf, boolean isExtra) { // if keyLength is 0, we didn't copy anything from the original, which means we didn't // modify any of the range owned by it, so can simply return it as is if (keyLength == 0) return co...
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private NodeBuilder ensureParent() { if (parent == null) { parent = new NodeBuilder(); parent.child = this; } if (parent.upperBound == null) parent.reset(EMPTY_BRANCH, upperBound, updateFunction, comparator); return parent; }
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private List<Pair<Long, Long>> getTransferSections(CompressionMetadata.Chunk[] chunks) { List<Pair<Long, Long>> transferSections = new ArrayList<>(); Pair<Long, Long> lastSection = null; for (CompressionMetadata.Chunk chunk : chunks) { if (lastSection != null) ...
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@Override public CellName copy(CFMetaData cfm, AbstractAllocator allocator) { return new SimpleDenseCellName(allocator.clone(element)); }
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private long getNow() { return Collections.max(cfs.getSSTables(), new Comparator<SSTableReader>() { public int compare(SSTableReader o1, SSTableReader o2) { return Long.compare(o1.getMaxTimestamp(), o2.getMaxTimestamp()); } }).getMaxTimesta...
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@VisibleForTesting static Iterable<SSTableReader> filterOldSSTables(List<SSTableReader> sstables, long maxSSTableAge, long now) { if (maxSSTableAge == 0) return sstables; final long cutoff = now - maxSSTableAge; return Iterables.filter(sstables, new Predicate<SSTableReader>()...
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@VisibleForTesting static <T> List<List<T>> getBuckets(Collection<Pair<T, Long>> files, long timeUnit, int base, long now) { // Sort files by age. Newest first. final List<Pair<T, Long>> sortedFiles = Lists.newArrayList(files); Collections.sort(sortedFiles, Collections.reverseOrder(new C...
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@Override public void write(Object key, List<ByteBuffer> values) throws IOException { prepareWriter(); try { ((CQLSSTableWriter) writer).rawAddRow(values); if (null != progress) progress.progress(); if (null != context) ...
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private static long discard(ByteBuf buffer, long remainingToDiscard) { int availableToDiscard = (int) Math.min(remainingToDiscard, buffer.readableBytes()); buffer.skipBytes(availableToDiscard); return remainingToDiscard - availableToDiscard; }
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public static boolean delete(Descriptor desc, Set<Component> components) { // remove the DATA component first if it exists if (components.contains(Component.DATA)) FileUtils.deleteWithConfirm(desc.filenameFor(Component.DATA)); for (Component component : components) { ...
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public static DecoratedKey getMinimalKey(DecoratedKey key) { return key.getKey().position() > 0 || key.getKey().hasRemaining() || !key.getKey().hasArray() ? new BufferDecoratedKey(key.getToken(), HeapAllocator.instance.clone(key.getKey())) ...
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protected static Set<Component> readTOC(Descriptor descriptor) throws IOException { File tocFile = new File(descriptor.filenameFor(Component.TOC)); List<String> componentNames = Files.readLines(tocFile, Charset.defaultCharset()); Set<Component> components = Sets.newHashSetWithExpectedSize(co...
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protected static void appendTOC(Descriptor descriptor, Collection<Component> components) { File tocFile = new File(descriptor.filenameFor(Component.TOC)); PrintWriter w = null; try { w = new PrintWriter(new FileWriter(tocFile, true)); for (Component component ...
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public synchronized void addComponents(Collection<Component> newComponents) { Collection<Component> componentsToAdd = Collections2.filter(newComponents, Predicates.not(Predicates.in(components))); appendTOC(descriptor, componentsToAdd); components.addAll(componentsToAdd); }
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@Override public void serialize(Map<MetadataType, MetadataComponent> components, DataOutputPlus out) throws IOException { ValidationMetadata validation = (ValidationMetadata) components.get(MetadataType.VALIDATION); StatsMetadata stats = (StatsMetadata) components.get(MetadataType.STATS); ...
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@Override public Map<MetadataType, MetadataComponent> deserialize(Descriptor descriptor, EnumSet<MetadataType> types) throws IOException { Map<MetadataType, MetadataComponent> components = Maps.newHashMap(); File statsFile = new File(descriptor.filenameFor(Component.STATS)); if (!statsF...
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public void initiate() throws IOException { logger.debug("[Stream #{}] Sending stream init for incoming stream", session.planId()); Socket incomingSocket = session.createConnection(); incoming.start(incomingSocket, StreamMessage.CURRENT_VERSION); incoming.sendInitMessage(incomingSock...
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public void initiateOnReceivingSide(Socket socket, boolean isForOutgoing, int version) throws IOException { if (isForOutgoing) outgoing.start(socket, version); else incoming.start(socket, version); }
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private void setNextSamplePosition(long position) { tryAgain: while (true) { position += minIndexInterval; long test = indexIntervalMatches++; for (int start : startPoints) if ((test - start) % BASE_SAMPLING_LEVEL == 0) continue...
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public IndexSummary build(IPartitioner partitioner, ReadableBoundary boundary) { assert entries.length() > 0; int count = (int) (offsets.length() / 4); long entriesLength = entries.length(); if (boundary != null) { count = boundary.summaryCount; entri...
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public static IndexSummary downsample(IndexSummary existing, int newSamplingLevel, int minIndexInterval, IPartitioner partitioner) { // To downsample the old index summary, we'll go through (potentially) several rounds of downsampling. // Conceptually, each round starts at position X and then remove...
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public void update(double p, long m) { Long mi = bin.get(p); if (mi != null) { // we found the same p so increment that counter bin.put(p, mi + m); } else { bin.put(p, m); // if bin size exceeds maximum bin size then tri...
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public RateLimiter getRateLimiter() { double currentThroughput = DatabaseDescriptor.getCompactionThroughputMbPerSec() * 1024.0 * 1024.0; // if throughput is set to 0, throttling is disabled if (currentThroughput == 0 || StorageService.instance.isBootstrapMode()) currentThroughput...
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private SSTableReader lookupSSTable(final ColumnFamilyStore cfs, Descriptor descriptor) { for (SSTableReader sstable : cfs.getSSTables()) { if (sstable.descriptor.equals(descriptor)) return sstable; } return null; }
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public Future<Object> submitValidation(final ColumnFamilyStore cfStore, final Validator validator) { Callable<Object> callable = new Callable<Object>() { public Object call() throws IOException { try { doValidationCompaction...
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static boolean needsCleanup(SSTableReader sstable, Collection<Range<Token>> ownedRanges) { assert !ownedRanges.isEmpty(); // cleanup checks for this // unwrap and sort the ranges by LHS token List<Range<Token>> sortedRanges = Range.normalize(ownedRanges); // see if there are any ke...
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public Future<?> submitIndexBuild(final SecondaryIndexBuilder builder) { Runnable runnable = new Runnable() { public void run() { metrics.beginCompaction(builder); try { builder.build(); } ...
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public void interruptCompactionFor(Iterable<CFMetaData> columnFamilies, boolean interruptValidation) { assert columnFamilies != null; // interrupt in-progress compactions for (Holder compactionHolder : CompactionMetrics.getCompactions()) { CompactionInfo info = compactio...
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private void fastAddAll(ArrayBackedSortedColumns other) { if (other.isInsertReversed() == isInsertReversed()) { cells = Arrays.copyOf(other.cells, other.cells.length); size = other.size; sortedSize = other.sortedSize; isSorted = other.isSorted; ...
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private void internalRemove(int index) { int moving = size - index - 1; if (moving > 0) System.arraycopy(cells, index + 1, cells, index, moving); cells[--size] = null; }
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private void reconcileWith(int i, Cell cell) { cells[i] = cell.reconcile(cells[i]); }
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private Region getRegion() { while (true) { // Try to get the region Region region = currentRegion.get(); if (region != null) return region; // No current region, so we want to allocate one. We race // against other allocat...
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