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Enable lucene auto io throttle

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Andrea Cavalli 2022-06-08 16:45:54 +02:00
parent cc9306fbde
commit 3be0d3710c
1 changed files with 13 additions and 10 deletions
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23
src/main/java/it/cavallium/dbengine/database/disk/LLLocalLuceneIndex.java
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@ -5,6 +5,7 @@ import static it.cavallium.dbengine.database.LLUtils.MARKER_LUCENE;
import static it.cavallium.dbengine.database.LLUtils.toDocument;
import static it.cavallium.dbengine.database.LLUtils.toFields;
import static it.cavallium.dbengine.lucene.searcher.GlobalQueryRewrite.NO_REWRITE;
import static java.util.Objects.requireNonNull;
import static reactor.core.scheduler.Schedulers.DEFAULT_BOUNDED_ELASTIC_QUEUESIZE;
import static reactor.core.scheduler.Schedulers.DEFAULT_BOUNDED_ELASTIC_SIZE;
@ -155,7 +156,6 @@ public class LLLocalLuceneIndex implements LLLuceneIndex {
rocksDBManager);
boolean isFilesystemCompressed = LuceneUtils.getIsFilesystemCompressed(luceneOptions.directoryOptions());
var snapshotter = new SnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy());
this.luceneAnalyzer = LuceneUtils.toPerFieldAnalyzerWrapper(indicizerAnalyzers);
this.luceneSimilarity = LuceneUtils.toPerFieldSimilarityWrapper(indicizerSimilarities);
this.rocksDBManager = rocksDBManager;
@ -169,24 +169,27 @@ public class LLLocalLuceneIndex implements LLLuceneIndex {
}
var indexWriterConfig = new IndexWriterConfig(luceneAnalyzer);
indexWriterConfig.setOpenMode(IndexWriterConfig.OpenMode.CREATE_OR_APPEND);
var snapshotter = new SnapshotDeletionPolicy(requireNonNull(indexWriterConfig.getIndexDeletionPolicy()));
indexWriterConfig.setIndexDeletionPolicy(snapshotter);
indexWriterConfig.setCommitOnClose(true);
var mergePolicy = new TieredMergePolicy();
indexWriterConfig.setMergePolicy(mergePolicy);
indexWriterConfig.setMergedSegmentWarmer(new SimpleMergedSegmentWarmer(InfoStream.getDefault()));
int writerSchedulerMaxThreadCount;
MergeScheduler mergeScheduler;
if (lowMemory) {
mergeScheduler = new SerialMergeScheduler();
writerSchedulerMaxThreadCount = 1;
} else {
var concurrentMergeScheduler = new ConcurrentMergeScheduler();
// false means SSD, true means HDD
concurrentMergeScheduler.setDefaultMaxMergesAndThreads(false);
if (LuceneUtils.getManagedPath(luceneOptions.directoryOptions()).isEmpty()) {
concurrentMergeScheduler.disableAutoIOThrottle();
ConcurrentMergeScheduler concurrentMergeScheduler;
if (indexWriterConfig.getMergeScheduler() instanceof ConcurrentMergeScheduler defaultScheduler) {
concurrentMergeScheduler = defaultScheduler;
} else {
//noinspection resource
concurrentMergeScheduler = new ConcurrentMergeScheduler();
}
// false means SSD, true means HDD
boolean spins = false;
concurrentMergeScheduler.setDefaultMaxMergesAndThreads(spins);
// It's true by default, but this makes sure it's true if it's a managed path
if (LuceneUtils.getManagedPath(luceneOptions.directoryOptions()).isPresent()) {
concurrentMergeScheduler.enableAutoIOThrottle();
}
writerSchedulerMaxThreadCount = concurrentMergeScheduler.getMaxThreadCount();