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No need for deepCopy on makeSafe for pages field data 

Since its a reference to a buffer in the PagedBytes, we don't need to deep copy it on makeSafe, just shallow copy it
This commit is contained in:
Shay Banon 2013-05-10 17:24:53 +02:00
parent 2be23d2427
commit 455b5da52f
5 changed files with 78 additions and 80 deletions
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5
src/main/java/org/elasticsearch/index/fielddata/BytesValues.java
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@ -49,7 +49,9 @@ public abstract class BytesValues {
public abstract boolean hasValue(int docId);
/**
* Converts the provided bytes to "safe" ones from a "non" safe call made (if needed).
* Converts the provided bytes to "safe" ones from a "non" safe call made (if needed). Note,
* this calls makes the bytes safe for *reads*, not writes (into the same BytesRef). For example,
* it makes it safe to be placed in a map.
*/
public BytesRef makeSafe(BytesRef bytes) {
return BytesRef.deepCopyOf(bytes);
@ -152,6 +154,7 @@ public abstract class BytesValues {
protected BytesValues.WithOrdinals withOrds;
protected Ordinals.Docs.Iter ordsIter;
protected final BytesRef scratch = new BytesRef();
public Multi(WithOrdinals withOrds) {
this.withOrds = withOrds;
assert withOrds.isMultiValued();

11
src/main/java/org/elasticsearch/index/fielddata/plain/FSTBytesAtomicFieldData.java
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@ -19,8 +19,6 @@
package org.elasticsearch.index.fielddata.plain;
import java.io.IOException;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.IntsRef;
import org.apache.lucene.util.fst.BytesRefFSTEnum;
@ -35,6 +33,8 @@ import org.elasticsearch.index.fielddata.ordinals.EmptyOrdinals;
import org.elasticsearch.index.fielddata.ordinals.Ordinals;
import org.elasticsearch.index.fielddata.ordinals.Ordinals.Docs;
import java.io.IOException;
/**
*/
public class FSTBytesAtomicFieldData implements AtomicFieldData.WithOrdinals<ScriptDocValues.Strings> {
@ -93,7 +93,6 @@ public class FSTBytesAtomicFieldData implements AtomicFieldData.WithOrdinals<Scr
}
@Override
public ScriptDocValues.Strings getScriptValues() {
assert fst != null;
@ -128,7 +127,6 @@ public class FSTBytesAtomicFieldData implements AtomicFieldData.WithOrdinals<Scr
protected final FST<Long> fst;
protected final Ordinals.Docs ordinals;
protected final BytesRef scratch = new BytesRef();
// per-thread resources
protected final BytesReader in;
protected final Arc<Long> firstArc = new Arc<Long>();
@ -180,6 +178,7 @@ public class FSTBytesAtomicFieldData implements AtomicFieldData.WithOrdinals<Scr
static final class SingleHashed extends Single {
private final int[] hashes;
SingleHashed(FST<Long> fst, Docs ordinals, int[] hashes) {
super(fst, ordinals);
this.hashes = hashes;
@ -247,7 +246,6 @@ public class FSTBytesAtomicFieldData implements AtomicFieldData.WithOrdinals<Scr
}
static class Empty extends FSTBytesAtomicFieldData {
Empty(int numDocs) {
@ -286,7 +284,4 @@ public class FSTBytesAtomicFieldData implements AtomicFieldData.WithOrdinals<Scr
}
}

7
src/main/java/org/elasticsearch/index/fielddata/plain/PagedBytesAtomicFieldData.java
View File

@ -133,6 +133,13 @@ public class PagedBytesAtomicFieldData implements AtomicFieldData.WithOrdinals<S
this.ordinals = ordinals;
}
@Override
public BytesRef makeSafe(BytesRef bytes) {
// when we fill from the pages bytes, we just reference an existing buffer slice, its enough
// to create a shallow copy of the bytes to be safe for "reads".
return new BytesRef(bytes.bytes, bytes.offset, bytes.length);
}
@Override
public Ordinals.Docs ordinals() {
return this.ordinals;

10
src/main/java/org/elasticsearch/search/facet/terms/strings/HashedAggregator.java
View File

@ -18,10 +18,8 @@
*/
package org.elasticsearch.search.facet.terms.strings;
import com.google.common.collect.ImmutableList;
import gnu.trove.map.hash.TObjectIntHashMap;
import java.util.Arrays;
import org.apache.lucene.util.ArrayUtil;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.BytesRefHash;
@ -33,7 +31,7 @@ import org.elasticsearch.search.facet.InternalFacet;
import org.elasticsearch.search.facet.terms.TermsFacet;
import org.elasticsearch.search.facet.terms.support.EntryPriorityQueue;
import com.google.common.collect.ImmutableList;
import java.util.Arrays;
public class HashedAggregator {
private int missing;
@ -57,10 +55,6 @@ public class HashedAggregator {
}
}
protected BytesRef makesSafe(BytesRef ref, BytesValues values) {
return values.makeSafe(ref);
}
public void addValue(BytesRef value, int hashCode, BytesValues values) {
final boolean added = hash.addNoCount(value, hashCode, values);
assert assertHash.addNoCount(value, hashCode, values) == added : "asserting counter diverged from current counter - value: "

17
src/main/java/org/elasticsearch/search/facet/termsstats/strings/TermsStatsStringFacetExecutor.java
View File

@ -19,11 +19,8 @@
package org.elasticsearch.search.facet.termsstats.strings;
import java.io.IOException;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import org.apache.lucene.index.AtomicReaderContext;
import org.apache.lucene.search.Scorer;
import org.apache.lucene.util.BytesRef;
@ -42,8 +39,10 @@ import org.elasticsearch.search.facet.terms.strings.HashedAggregator;
import org.elasticsearch.search.facet.termsstats.TermsStatsFacet;
import org.elasticsearch.search.internal.SearchContext;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import java.io.IOException;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
public class TermsStatsStringFacetExecutor extends FacetExecutor {
@ -158,7 +157,7 @@ public class TermsStatsStringFacetExecutor extends FacetExecutor {
spare.reset(value, hashCode);
InternalTermsStatsStringFacet.StringEntry stringEntry = entries.get(spare);
if (stringEntry == null) {
HashedBytesRef theValue = new HashedBytesRef(makesSafe(value, values), hashCode);
HashedBytesRef theValue = new HashedBytesRef(values.makeSafe(value), hashCode);
stringEntry = new InternalTermsStatsStringFacet.StringEntry(theValue, 0, 0, 0, Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY);
entries.put(theValue, stringEntry);
}
@ -198,7 +197,7 @@ public class TermsStatsStringFacetExecutor extends FacetExecutor {
spare.reset(value, hashCode);
InternalTermsStatsStringFacet.StringEntry stringEntry = entries.get(spare);
if (stringEntry == null) {
HashedBytesRef theValue = new HashedBytesRef(makesSafe(value, values), hashCode);
HashedBytesRef theValue = new HashedBytesRef(values.makeSafe(value), hashCode);
stringEntry = new InternalTermsStatsStringFacet.StringEntry(theValue, 1, 0, 0, Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY);
entries.put(theValue, stringEntry);
} else {