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Update to lucene 9

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This commit is contained in:
Andrea Cavalli 2021-05-25 01:12:24 +02:00
parent 6ccff7646b
commit a293b65b08
2 changed files with 50 additions and 11 deletions
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21
pom.xml
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@ -178,32 +178,37 @@
<dependency>
<groupId>org.apache.lucene</groupId>
<artifactId>lucene-core</artifactId>
<version>8.8.2</version>
<version>9.0.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.lucene</groupId>
<artifactId>lucene-join</artifactId>
<version>8.8.2</version>
<version>9.0.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.lucene</groupId>
<artifactId>lucene-analyzers-common</artifactId>
<version>8.8.2</version>
<artifactId>lucene-analysis-common</artifactId>
<version>9.0.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.lucene</groupId>
<artifactId>lucene-codecs</artifactId>
<version>8.8.2</version>
<version>9.0.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.lucene</groupId>
<artifactId>lucene-backward-codecs</artifactId>
<version>8.8.2</version>
<version>9.0.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.lucene</groupId>
<artifactId>lucene-queries</artifactId>
<version>8.8.2</version>
<version>9.0.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.apache.lucene</groupId>
<artifactId>lucene-misc</artifactId>
<version>9.0.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.jetbrains</groupId>
@ -228,7 +233,7 @@
<dependency>
<groupId>org.novasearch</groupId>
<artifactId>lucene-relevance</artifactId>
<version>8.0.0.0.16</version>
<version>9.0.0.0.0-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>it.cavallium</groupId>

40
src/main/java/it/cavallium/dbengine/database/disk/LLLocalLuceneIndex.java
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@ -41,6 +41,7 @@ import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy;
import org.apache.lucene.index.SnapshotDeletionPolicy;
import org.apache.lucene.misc.store.DirectIODirectory;
import org.apache.lucene.queries.mlt.MoreLikeThis;
import org.apache.lucene.search.BooleanClause.Occur;
import org.apache.lucene.search.BooleanQuery;
@ -52,10 +53,14 @@ import org.apache.lucene.search.SearcherManager;
import org.apache.lucene.search.Sort;
import org.apache.lucene.search.similarities.Similarity;
import org.apache.lucene.search.similarities.TFIDFSimilarity;
import org.apache.lucene.store.ByteBuffersDirectory;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.store.IOContext;
import org.apache.lucene.store.MMapDirectory;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.store.NIOFSDirectory;
import org.apache.lucene.store.NRTCachingDirectory;
import org.apache.lucene.util.Constants;
import org.jetbrains.annotations.Nullable;
import org.warp.commonutils.log.Logger;
import org.warp.commonutils.log.LoggerFactory;
@ -121,7 +126,36 @@ public class LLLocalLuceneIndex implements LLLuceneIndex {
throw new IOException("Empty lucene database name");
}
Path directoryPath = luceneBasePath.resolve(name + ".lucene.db");
this.directory = inMemory ? new RAMDirectory() : FSDirectory.open(directoryPath);
if (!MMapDirectory.UNMAP_SUPPORTED) {
logger.error("Unmap is unsupported, lucene will run slower: {}", MMapDirectory.UNMAP_NOT_SUPPORTED_REASON);
} else {
logger.debug("Lucene MMap is supported");
}
if (inMemory) {
this.directory = new ByteBuffersDirectory();
} else {
Directory directory;
{
FSDirectory fsDirectory = FSDirectory.open(directoryPath);
if (Constants.LINUX || Constants.MAC_OS_X) {
if (!lowMemory) {
directory = new DirectIODirectory(fsDirectory, 5 * 1024 * 1024, 60 * 1024 * 1024);
} else {
directory = new DirectIODirectory(fsDirectory);
}
} else {
directory = fsDirectory;
}
}
if (!lowMemory) {
directory = new NRTCachingDirectory(directory, 5.0, 60.0);
} else {
directory = new NRTCachingDirectory(directory, 1.0, 6.0);
}
this.directory = directory;
}
this.luceneIndexName = name;
this.snapshotter = new SnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy());
this.lowMemory = lowMemory;
@ -640,7 +674,7 @@ public class LLLocalLuceneIndex implements LLLuceneIndex {
scheduledTasksLifecycle.startScheduledTask();
try {
//noinspection BlockingMethodInNonBlockingContext
searcherManager.maybeRefreshBlocking();
searcherManager.maybeRefresh();
} finally {
scheduledTasksLifecycle.endScheduledTask();
}