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separate offheapIncrementalIndex implementation

This commit is contained in:
nishantmonu51 2014-10-01 13:58:51 +05:30
parent 358ff915bb
commit ad75a21040
6 changed files with 381 additions and 249 deletions
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18
indexing-hadoop/src/main/java/io/druid/indexer/IndexGeneratorJob.java
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@ -45,6 +45,7 @@ import io.druid.segment.QueryableIndex;
import io.druid.segment.SegmentUtils;
import io.druid.segment.incremental.IncrementalIndex;
import io.druid.segment.incremental.IncrementalIndexSchema;
import io.druid.segment.incremental.OffheapIncrementalIndex;
import io.druid.timeline.DataSegment;
import org.apache.commons.io.FileUtils;
import org.apache.hadoop.conf.Configurable;
@ -636,16 +637,23 @@ public class IndexGeneratorJob implements Jobby
}
final HadoopTuningConfig tuningConfig = config.getSchema().getTuningConfig();
int bufferSize = aggsSize * tuningConfig.getRowFlushBoundary();
return new IncrementalIndex(
new IncrementalIndexSchema.Builder()
final IncrementalIndexSchema indexSchema = new IncrementalIndexSchema.Builder()
.withMinTimestamp(theBucket.time.getMillis())
.withDimensionsSpec(config.getSchema().getDataSchema().getParser())
.withQueryGranularity(config.getSchema().getDataSchema().getGranularitySpec().getQueryGranularity())
.withMetrics(aggs)
.build(),
new OffheapBufferPool(bufferSize),
tuningConfig.isIngestOffheap()
.build();
if (tuningConfig.isIngestOffheap()) {
return new OffheapIncrementalIndex(
indexSchema,
new OffheapBufferPool(bufferSize)
);
} else {
return new IncrementalIndex(
indexSchema,
new OffheapBufferPool(bufferSize)
);
}
}
private void createNewZipEntry(ZipOutputStream out, String name) throws IOException

20
processing/src/main/java/io/druid/query/groupby/GroupByQueryHelper.java
View File

@ -31,6 +31,7 @@ import io.druid.granularity.QueryGranularity;
import io.druid.query.aggregation.AggregatorFactory;
import io.druid.query.dimension.DimensionSpec;
import io.druid.segment.incremental.IncrementalIndex;
import io.druid.segment.incremental.OffheapIncrementalIndex;
import java.nio.ByteBuffer;
import java.util.List;
@ -73,17 +74,28 @@ public class GroupByQueryHelper
}
}
);
IncrementalIndex index = new IncrementalIndex(
final IncrementalIndex index;
if(query.getContextValue("useOffheap", false)){
index = new OffheapIncrementalIndex(
// use granularity truncated min timestamp
// since incoming truncated timestamps may precede timeStart
granTimeStart,
gran,
aggs.toArray(new AggregatorFactory[aggs.size()]),
bufferPool,
false,
query.getContextValue("useOffheap", false)
false
);
} else {
index = new IncrementalIndex(
// use granularity truncated min timestamp
// since incoming truncated timestamps may precede timeStart
granTimeStart,
gran,
aggs.toArray(new AggregatorFactory[aggs.size()]),
bufferPool,
false
);
}
Accumulator<IncrementalIndex, T> accumulator = new Accumulator<IncrementalIndex, T>()
{

255
processing/src/main/java/io/druid/segment/incremental/IncrementalIndex.java
View File

@ -56,29 +56,18 @@ import io.druid.segment.serde.ComplexMetricSerde;
import io.druid.segment.serde.ComplexMetrics;
import org.joda.time.DateTime;
import org.joda.time.Interval;
import org.mapdb.BTreeKeySerializer;
import org.mapdb.CC;
import org.mapdb.DB;
import org.mapdb.DBMaker;
import org.mapdb.Serializer;
import javax.annotation.Nullable;
import java.io.Closeable;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.io.Serializable;
import java.lang.ref.WeakReference;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.WeakHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ConcurrentNavigableMap;
import java.util.concurrent.ConcurrentSkipListMap;
import java.util.concurrent.CopyOnWriteArrayList;
@ -99,14 +88,11 @@ public class IncrementalIndex implements Iterable<Row>, Closeable
private final int[] aggPositionOffsets;
private final int totalAggSize;
private final LinkedHashMap<String, Integer> dimensionOrder;
private final CopyOnWriteArrayList<String> dimensions;
protected final CopyOnWriteArrayList<String> dimensions;
private final DimensionHolder dimValues;
private final Map<String, ColumnCapabilitiesImpl> columnCapabilities;
private final ConcurrentNavigableMap<TimeAndDims, Integer> facts;
private final ResourceHolder<ByteBuffer> bufferHolder;
private final DB db;
private final DB factsDb;
private final boolean useOffheap;
private volatile AtomicInteger numEntries = new AtomicInteger();
// This is modified on add() in a critical section.
private ThreadLocal<InputRow> in = new ThreadLocal<>();
@ -123,8 +109,7 @@ public class IncrementalIndex implements Iterable<Row>, Closeable
public IncrementalIndex(
IncrementalIndexSchema incrementalIndexSchema,
StupidPool<ByteBuffer> bufferPool,
final boolean deserializeComplexMetrics,
final boolean useOffheap
final boolean deserializeComplexMetrics
)
{
this.minTimestamp = incrementalIndexSchema.getMinTimestamp();
@ -327,25 +312,11 @@ public class IncrementalIndex implements Iterable<Row>, Closeable
}
this.bufferHolder = bufferPool.take();
this.dimValues = new DimensionHolder();
this.useOffheap = useOffheap;
if (this.useOffheap) {
final DBMaker dbMaker = DBMaker.newMemoryDirectDB()
.transactionDisable()
.asyncWriteEnable()
.cacheSoftRefEnable();
db = dbMaker.make();
factsDb = dbMaker.make();
final TimeAndDimsSerializer timeAndDimsSerializer = new TimeAndDimsSerializer(this);
this.facts = factsDb.createTreeMap("__facts" + UUID.randomUUID())
.keySerializer(timeAndDimsSerializer)
.comparator(timeAndDimsSerializer.getComparator())
.valueSerializer(Serializer.INTEGER)
.make();
} else {
db = null;
factsDb = null;
this.facts = new ConcurrentSkipListMap<>();
this.facts = createFactsTable();
}
protected ConcurrentNavigableMap<TimeAndDims, Integer> createFactsTable() {
return new ConcurrentSkipListMap<>();
}
public IncrementalIndex(
@ -361,18 +332,16 @@ public class IncrementalIndex implements Iterable<Row>, Closeable
.withMetrics(metrics)
.build(),
bufferPool,
true,
false
true
);
}
public IncrementalIndex(
IncrementalIndexSchema incrementalIndexSchema,
StupidPool<ByteBuffer> bufferPool,
boolean useOffheap
StupidPool<ByteBuffer> bufferPool
)
{
this(incrementalIndexSchema, bufferPool, true, useOffheap);
this(incrementalIndexSchema, bufferPool, true);
}
public IncrementalIndex(
@ -380,8 +349,7 @@ public class IncrementalIndex implements Iterable<Row>, Closeable
QueryGranularity gran,
final AggregatorFactory[] metrics,
StupidPool<ByteBuffer> bufferPool,
boolean deserializeComplexMetrics,
boolean useOffheap
boolean deserializeComplexMetrics
)
{
this(
@ -390,8 +358,7 @@ public class IncrementalIndex implements Iterable<Row>, Closeable
.withMetrics(metrics)
.build(),
bufferPool,
deserializeComplexMetrics,
useOffheap
deserializeComplexMetrics
);
}
@ -685,10 +652,6 @@ public class IncrementalIndex implements Iterable<Row>, Closeable
{
try {
bufferHolder.close();
if (db != null) {
factsDb.close();
db.close();
}
}
catch (IOException e) {
throw Throwables.propagate(e);
@ -713,7 +676,7 @@ public class IncrementalIndex implements Iterable<Row>, Closeable
{
DimDim holder = dimensions.get(dimension);
if (holder == null) {
holder = new DimDim(dimension);
holder = createDimDim(dimension);
dimensions.put(dimension, holder);
} else {
throw new ISE("dimension[%s] already existed even though add() was called!?", dimension);
@ -727,6 +690,10 @@ public class IncrementalIndex implements Iterable<Row>, Closeable
}
}
protected DimDim createDimDim(String dimension){
return new DimDimImpl();
}
static class TimeAndDims implements Comparable<TimeAndDims>
{
private final long timestamp;
@ -812,42 +779,51 @@ public class IncrementalIndex implements Iterable<Row>, Closeable
}
}
class DimDim
static interface DimDim
{
private final Interner interner;
public String get(String value);
public int getId(String value);
public String getValue(int id);
public boolean contains(String value);
public int size();
public int add(String value);
public int getSortedId(String value);
public String getSortedValue(int index);
public void sort();
public boolean compareCannonicalValues(String s1, String s2);
}
private static class DimDimImpl implements DimDim{
private final Map<String, Integer> falseIds;
private final Map<Integer, String> falseIdsReverse;
private volatile String[] sortedVals = null;
// size on MapDB is slow so maintain a count here
private volatile int size = 0;
final ConcurrentMap<String, String> poorMansInterning = Maps.newConcurrentMap();
public DimDim(String dimName)
public DimDimImpl()
{
if (useOffheap) {
falseIds = db.createHashMap(dimName)
.keySerializer(Serializer.STRING)
.valueSerializer(Serializer.INTEGER)
.make();
falseIdsReverse = db.createHashMap(dimName + "_inverse")
.keySerializer(Serializer.INTEGER)
.valueSerializer(Serializer.STRING)
.make();
interner = new WeakInterner();
} else {
BiMap<String, Integer> biMap = Maps.synchronizedBiMap(HashBiMap.<String, Integer>create());
falseIds = biMap;
falseIdsReverse = biMap.inverse();
interner = new StrongInterner();
}
}
/**
* Returns the interned String value to allow fast comparisons using `==` instead of `.equals()`
* @see io.druid.segment.incremental.IncrementalIndexStorageAdapter.EntryHolderValueMatcherFactory#makeValueMatcher(String, String)
*/
public String get(String value)
public String get(String str)
{
return interner.getCanonicalValue(value);
String prev = poorMansInterning.putIfAbsent(str, str);
return prev != null ? prev : str;
}
public int getId(String value)
@ -867,17 +843,13 @@ public class IncrementalIndex implements Iterable<Row>, Closeable
public int size()
{
return size;
return falseIds.size();
}
public synchronized int add(String value)
{
int id = size++;
int id = falseIds.size();
falseIds.put(value, id);
if (useOffheap) {
// onheap implementation uses a Bimap.
falseIdsReverse.put(id, value);
}
return id;
}
@ -915,138 +887,7 @@ public class IncrementalIndex implements Iterable<Row>, Closeable
public boolean compareCannonicalValues(String s1, String s2)
{
return interner.compareCanonicalValues(s1, s2);
}
}
private static interface Interner
{
public String getCanonicalValue(String str);
public boolean compareCanonicalValues(String s1, String s2);
}
private static class WeakInterner implements Interner
{
private static final WeakHashMap<String, WeakReference<String>> cache =
new WeakHashMap();
@Override
public String getCanonicalValue(String str)
{
final WeakReference<String> cached = cache.get(str);
if (cached != null) {
final String value = cached.get();
if (value != null) {
return value;
}
}
cache.put(str, new WeakReference(str));
return str;
}
@Override
public boolean compareCanonicalValues(String s1, String s2)
{
return s1.equals(s2);
}
}
private static class StrongInterner implements Interner
{
final Map<String, String> poorMansInterning = Maps.newConcurrentMap();
@Override
public String getCanonicalValue(String str)
{
String value = poorMansInterning.get(str);
if (value != null) {
return value;
}
poorMansInterning.put(str, str);
return str;
}
@Override
public boolean compareCanonicalValues(String s1, String s2)
{
/**
* using == here instead of .equals() to speed up lookups
*/
return s1 ==s2;
}
}
public static class TimeAndDimsSerializer extends BTreeKeySerializer<TimeAndDims> implements Serializable
{
private final TimeAndDimsComparator comparator;
private final transient IncrementalIndex incrementalIndex;
TimeAndDimsSerializer(IncrementalIndex incrementalIndex)
{
this.comparator = new TimeAndDimsComparator();
this.incrementalIndex = incrementalIndex;
}
@Override
public void serialize(DataOutput out, int start, int end, Object[] keys) throws IOException
{
for (int i = start; i < end; i++) {
TimeAndDims timeAndDim = (TimeAndDims) keys[i];
out.writeLong(timeAndDim.timestamp);
out.writeInt(timeAndDim.dims.length);
int index = 0;
for (String[] dims : timeAndDim.dims) {
if (dims == null) {
out.write(-1);
} else {
DimDim dimDim = incrementalIndex.getDimension(incrementalIndex.dimensions.get(index));
out.writeInt(dims.length);
for (String value : dims) {
out.writeInt(dimDim.getId(value));
}
}
index++;
}
}
}
@Override
public Object[] deserialize(DataInput in, int start, int end, int size) throws IOException
{
Object[] ret = new Object[size];
for (int i = start; i < end; i++) {
final long timeStamp = in.readLong();
final String[][] dims = new String[in.readInt()][];
for (int k = 0; k < dims.length; k++) {
int len = in.readInt();
if (len != -1) {
DimDim dimDim = incrementalIndex.getDimension(incrementalIndex.dimensions.get(k));
String[] col = new String[len];
for (int l = 0; l < col.length; l++) {
col[l] = dimDim.get(dimDim.getValue(in.readInt()));
}
dims[k] = col;
}
}
ret[i] = new TimeAndDims(timeStamp, dims);
}
return ret;
}
@Override
public Comparator<TimeAndDims> getComparator()
{
return comparator;
}
}
public static class TimeAndDimsComparator implements Comparator, Serializable
{
@Override
public int compare(Object o1, Object o2)
{
return ((TimeAndDims) o1).compareTo((TimeAndDims) o2);
}
}
}

255
processing/src/main/java/io/druid/segment/incremental/OffheapIncrementalIndex.java Normal file
View File

@ -0,0 +1,255 @@
package io.druid.segment.incremental;
import com.metamx.common.ISE;
import io.druid.collections.StupidPool;
import io.druid.granularity.QueryGranularity;
import io.druid.query.aggregation.AggregatorFactory;
import org.mapdb.BTreeKeySerializer;
import org.mapdb.DB;
import org.mapdb.DBMaker;
import org.mapdb.Serializer;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.io.Serializable;
import java.lang.ref.WeakReference;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Map;
import java.util.UUID;
import java.util.WeakHashMap;
import java.util.concurrent.ConcurrentNavigableMap;
public class OffheapIncrementalIndex extends IncrementalIndex
{
private volatile DB db;
private volatile DB factsDb;
public OffheapIncrementalIndex(
IncrementalIndexSchema incrementalIndexSchema,
StupidPool<ByteBuffer> bufferPool
)
{
super(incrementalIndexSchema, bufferPool);
}
public OffheapIncrementalIndex(
long minTimestamp,
QueryGranularity gran,
final AggregatorFactory[] metrics,
StupidPool<ByteBuffer> bufferPool,
boolean deserializeComplexMetrics
)
{
super(minTimestamp, gran, metrics, bufferPool, deserializeComplexMetrics);
}
@Override
protected synchronized ConcurrentNavigableMap<TimeAndDims, Integer> createFactsTable()
{
if (factsDb == null) {
final DBMaker dbMaker = DBMaker.newMemoryDirectDB()
.transactionDisable()
.asyncWriteEnable()
.cacheSoftRefEnable();
factsDb = dbMaker.make();
db = dbMaker.make();
}
final TimeAndDimsSerializer timeAndDimsSerializer = new TimeAndDimsSerializer(this);
return factsDb.createTreeMap("__facts" + UUID.randomUUID())
.keySerializer(timeAndDimsSerializer)
.comparator(timeAndDimsSerializer.getComparator())
.valueSerializer(Serializer.INTEGER)
.make();
}
@Override
protected DimDim createDimDim(String dimension)
{
return new OffheapDimDim(dimension);
}
public static class TimeAndDimsSerializer extends BTreeKeySerializer<TimeAndDims> implements Serializable
{
private final TimeAndDimsComparator comparator;
private final transient IncrementalIndex incrementalIndex;
TimeAndDimsSerializer(IncrementalIndex incrementalIndex)
{
this.comparator = new TimeAndDimsComparator();
this.incrementalIndex = incrementalIndex;
}
@Override
public void serialize(DataOutput out, int start, int end, Object[] keys) throws IOException
{
for (int i = start; i < end; i++) {
TimeAndDims timeAndDim = (TimeAndDims) keys[i];
out.writeLong(timeAndDim.getTimestamp());
out.writeInt(timeAndDim.getDims().length);
int index = 0;
for (String[] dims : timeAndDim.getDims()) {
if (dims == null) {
out.write(-1);
} else {
DimDim dimDim = incrementalIndex.getDimension(incrementalIndex.dimensions.get(index));
out.writeInt(dims.length);
for (String value : dims) {
out.writeInt(dimDim.getId(value));
}
}
index++;
}
}
}
@Override
public Object[] deserialize(DataInput in, int start, int end, int size) throws IOException
{
Object[] ret = new Object[size];
for (int i = start; i < end; i++) {
final long timeStamp = in.readLong();
final String[][] dims = new String[in.readInt()][];
for (int k = 0; k < dims.length; k++) {
int len = in.readInt();
if (len != -1) {
DimDim dimDim = incrementalIndex.getDimension(incrementalIndex.dimensions.get(k));
String[] col = new String[len];
for (int l = 0; l < col.length; l++) {
col[l] = dimDim.get(dimDim.getValue(in.readInt()));
}
dims[k] = col;
}
}
ret[i] = new TimeAndDims(timeStamp, dims);
}
return ret;
}
@Override
public Comparator<TimeAndDims> getComparator()
{
return comparator;
}
}
public static class TimeAndDimsComparator implements Comparator, Serializable
{
@Override
public int compare(Object o1, Object o2)
{
return ((TimeAndDims) o1).compareTo((TimeAndDims) o2);
}
}
private class OffheapDimDim implements DimDim
{
private final Map<String, Integer> falseIds;
private final Map<Integer, String> falseIdsReverse;
private final WeakHashMap<String, WeakReference<String>> cache =
new WeakHashMap();
private volatile String[] sortedVals = null;
// size on MapDB is slow so maintain a count here
private volatile int size = 0;
public OffheapDimDim(String dimension)
{
falseIds = db.createHashMap(dimension)
.keySerializer(Serializer.STRING)
.valueSerializer(Serializer.INTEGER)
.make();
falseIdsReverse = db.createHashMap(dimension + "_inverse")
.keySerializer(Serializer.INTEGER)
.valueSerializer(Serializer.STRING)
.make();
}
/**
* Returns the interned String value to allow fast comparisons using `==` instead of `.equals()`
*
* @see io.druid.segment.incremental.IncrementalIndexStorageAdapter.EntryHolderValueMatcherFactory#makeValueMatcher(String, String)
*/
public String get(String str)
{
final WeakReference<String> cached = cache.get(str);
if (cached != null) {
final String value = cached.get();
if (value != null) {
return value;
}
}
cache.put(str, new WeakReference(str));
return str;
}
public int getId(String value)
{
return falseIds.get(value);
}
public String getValue(int id)
{
return falseIdsReverse.get(id);
}
public boolean contains(String value)
{
return falseIds.containsKey(value);
}
public int size()
{
return size;
}
public synchronized int add(String value)
{
int id = size++;
falseIds.put(value, id);
falseIdsReverse.put(id, value);
return id;
}
public int getSortedId(String value)
{
assertSorted();
return Arrays.binarySearch(sortedVals, value);
}
public String getSortedValue(int index)
{
assertSorted();
return sortedVals[index];
}
public void sort()
{
if (sortedVals == null) {
sortedVals = new String[falseIds.size()];
int index = 0;
for (String value : falseIds.keySet()) {
sortedVals[index++] = value;
}
Arrays.sort(sortedVals);
}
}
private void assertSorted()
{
if (sortedVals == null) {
throw new ISE("Call sort() before calling the getSorted* methods.");
}
}
public boolean compareCannonicalValues(String s1, String s2)
{
return s1.equals(s2);
}
}
}

33
processing/src/test/java/io/druid/segment/TestIndex.java
View File

@ -38,6 +38,7 @@ import io.druid.query.aggregation.hyperloglog.HyperUniquesAggregatorFactory;
import io.druid.query.aggregation.hyperloglog.HyperUniquesSerde;
import io.druid.segment.incremental.IncrementalIndex;
import io.druid.segment.incremental.IncrementalIndexSchema;
import io.druid.segment.incremental.OffheapIncrementalIndex;
import io.druid.segment.serde.ComplexMetrics;
import org.joda.time.DateTime;
import org.joda.time.Interval;
@ -53,12 +54,6 @@ import java.util.concurrent.atomic.AtomicLong;
*/
public class TestIndex
{
private static final Logger log = new Logger(TestIndex.class);
private static IncrementalIndex realtimeIndex = null;
private static QueryableIndex mmappedIndex = null;
private static QueryableIndex mergedRealtime = null;
public static final String[] COLUMNS = new String[]{
"ts",
"provider",
@ -70,6 +65,7 @@ public class TestIndex
};
public static final String[] DIMENSIONS = new String[]{"provider", "quALIty", "plAcEmEnT", "pLacementish"};
public static final String[] METRICS = new String[]{"iNdEx"};
private static final Logger log = new Logger(TestIndex.class);
private static final Interval DATA_INTERVAL = new Interval("2011-01-12T00:00:00.000Z/2011-05-01T00:00:00.000Z");
private static final AggregatorFactory[] METRIC_AGGS = new AggregatorFactory[]{
new DoubleSumAggregatorFactory(METRICS[0], METRICS[0]),
@ -82,6 +78,10 @@ public class TestIndex
}
}
private static IncrementalIndex realtimeIndex = null;
private static QueryableIndex mmappedIndex = null;
private static QueryableIndex mergedRealtime = null;
public static IncrementalIndex getIncrementalTestIndex(boolean useOffheap)
{
synchronized (log) {
@ -155,16 +155,23 @@ public class TestIndex
{
final URL resource = TestIndex.class.getClassLoader().getResource(resourceFilename);
log.info("Realtime loading index file[%s]", resource);
final IncrementalIndex retVal = new IncrementalIndex(
new IncrementalIndexSchema.Builder().withMinTimestamp(new DateTime("2011-01-12T00:00:00.000Z").getMillis())
final IncrementalIndexSchema schema = new IncrementalIndexSchema.Builder()
.withMinTimestamp(new DateTime("2011-01-12T00:00:00.000Z").getMillis())
.withQueryGranularity(QueryGranularity.NONE)
.withMetrics(METRIC_AGGS)
.build(),
TestQueryRunners.pool,
true,
useOffheap
.build();
final IncrementalIndex retVal;
if (useOffheap) {
retVal = new OffheapIncrementalIndex(
schema,
TestQueryRunners.pool
);
} else {
retVal = new IncrementalIndex(
schema,
TestQueryRunners.pool
);
}
final AtomicLong startTime = new AtomicLong();
int lineCount;

19
server/src/main/java/io/druid/segment/realtime/plumber/Sink.java
View File

@ -31,6 +31,7 @@ import io.druid.offheap.OffheapBufferPool;
import io.druid.query.aggregation.AggregatorFactory;
import io.druid.segment.incremental.IncrementalIndex;
import io.druid.segment.incremental.IncrementalIndexSchema;
import io.druid.segment.incremental.OffheapIncrementalIndex;
import io.druid.segment.indexing.DataSchema;
import io.druid.segment.indexing.RealtimeTuningConfig;
import io.druid.segment.realtime.FireHydrant;
@ -180,16 +181,24 @@ public class Sink implements Iterable<FireHydrant>
aggsSize += agg.getMaxIntermediateSize();
}
int bufferSize = aggsSize * config.getMaxRowsInMemory();
IncrementalIndex newIndex = new IncrementalIndex(
new IncrementalIndexSchema.Builder()
final IncrementalIndexSchema indexSchema = new IncrementalIndexSchema.Builder()
.withMinTimestamp(minTimestamp)
.withQueryGranularity(schema.getGranularitySpec().getQueryGranularity())
.withDimensionsSpec(schema.getParser())
.withMetrics(schema.getAggregators())
.build(),
new OffheapBufferPool(bufferSize),
config.isIngestOffheap()
.build();
final IncrementalIndex newIndex;
if (config.isIngestOffheap()) {
newIndex = new OffheapIncrementalIndex(
indexSchema,
new OffheapBufferPool(bufferSize)
);
} else {
newIndex = new IncrementalIndex(
indexSchema,
new OffheapBufferPool(bufferSize)
);
}
final FireHydrant old;
synchronized (hydrantLock) {