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Posted to commits@lucene.apache.org by cp...@apache.org on 2015/11/06 12:16:22 UTC
svn commit: r1712939 - in /lucene/dev/trunk/lucene: CHANGES.txt
core/src/java/org/apache/lucene/index/StandardDirectoryReader.java
Author: cpoerschke
Date: Fri Nov 6 11:16:21 2015
New Revision: 1712939
URL: http://svn.apache.org/viewvc?rev=1712939&view=rev
Log:
LUCENE-6885: StandardDirectoryReader (initialCapacity) tweaks
Modified:
lucene/dev/trunk/lucene/CHANGES.txt
lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/index/StandardDirectoryReader.java
Modified: lucene/dev/trunk/lucene/CHANGES.txt
URL: http://svn.apache.org/viewvc/lucene/dev/trunk/lucene/CHANGES.txt?rev=1712939&r1=1712938&r2=1712939&view=diff
==============================================================================
--- lucene/dev/trunk/lucene/CHANGES.txt (original)
+++ lucene/dev/trunk/lucene/CHANGES.txt Fri Nov 6 11:16:21 2015
@@ -183,6 +183,9 @@ Optimizations
* LUCENE-6878: Speed up TopDocs.merge. (Daniel Jelinski via Adrien Grand)
+* LUCENE-6885: StandardDirectoryReader (initialCapacity) tweaks
+ (Christine Poerschke)
+
Bug Fixes
* LUCENE-6817: ComplexPhraseQueryParser.ComplexPhraseQuery does not display
Modified: lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/index/StandardDirectoryReader.java
URL: http://svn.apache.org/viewvc/lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/index/StandardDirectoryReader.java?rev=1712939&r1=1712938&r2=1712939&view=diff
==============================================================================
--- lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/index/StandardDirectoryReader.java (original)
+++ lucene/dev/trunk/lucene/core/src/java/org/apache/lucene/index/StandardDirectoryReader.java Fri Nov 6 11:16:21 2015
@@ -80,7 +80,7 @@ final class StandardDirectoryReader exte
// no need to process segments in reverse order
final int numSegments = infos.size();
- List<SegmentReader> readers = new ArrayList<>();
+ final List<SegmentReader> readers = new ArrayList<>(numSegments);
final Directory dir = writer.getDirectory();
final SegmentInfos segmentInfos = infos.clone();
@@ -136,7 +136,7 @@ final class StandardDirectoryReader exte
// we put the old SegmentReaders in a map, that allows us
// to lookup a reader using its segment name
- final Map<String,Integer> segmentReaders = new HashMap<>();
+ final Map<String,Integer> segmentReaders = (oldReaders == null ? Collections.emptyMap() : new HashMap<>(oldReaders.size()));
if (oldReaders != null) {
// create a Map SegmentName->SegmentReader