diff --git a/.gitignore b/.gitignore
index 01d6fe8..e8b8f48 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 target/
-.vscode
\ No newline at end of file
+.vscode
+nbactions.xml
\ No newline at end of file
diff --git a/adapters/lucene/src/main/java/com/github/thmarx/mongo/search/adapters/lucene/LuceneIndexAdapter.java b/adapters/lucene/src/main/java/com/github/thmarx/mongo/search/adapters/lucene/LuceneIndexAdapter.java
index 3bc5214..fb1477d 100644
--- a/adapters/lucene/src/main/java/com/github/thmarx/mongo/search/adapters/lucene/LuceneIndexAdapter.java
+++ b/adapters/lucene/src/main/java/com/github/thmarx/mongo/search/adapters/lucene/LuceneIndexAdapter.java
@@ -37,6 +37,7 @@
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.lucene.index.Term;
 import org.apache.lucene.search.BooleanClause;
 import org.apache.lucene.search.BooleanQuery;
@@ -48,6 +49,7 @@
  *
  * @author t.marx
  */
+@Slf4j
 public class LuceneIndexAdapter extends AbstractIndexAdapter<LuceneIndexConfiguration> {
 
 	LuceneIndex luceneIndex;
@@ -101,6 +103,7 @@ public LuceneIndex getIndex() {
 
 	@Override
 	public void close() throws Exception {
+		log.debug("close lucene index adapter");
 		scheduler.shutdown();
 		queueWorker.stop();
 		queueWorkerThread.interrupt();
@@ -123,8 +126,14 @@ public void open() throws IOException {
 		luceneIndex.open();
 
 		scheduler.scheduleWithFixedDelay(() -> {
-			luceneIndex.commit();
-		}, 1, 1, TimeUnit.SECONDS);
+			try {
+				log.debug("commit index");
+				luceneIndex.commit();
+				log.debug("commited");
+			} catch (Exception e) {
+				log.error("", e);
+			}
+		}, 1, 10, TimeUnit.SECONDS);
 
 		queueWorker = new PausableThread(true) {
 			@Override
diff --git a/adapters/lucene/src/main/java/com/github/thmarx/mongo/search/adapters/lucene/index/LuceneIndex.java b/adapters/lucene/src/main/java/com/github/thmarx/mongo/search/adapters/lucene/index/LuceneIndex.java
index 6d0b639..4794a0f 100644
--- a/adapters/lucene/src/main/java/com/github/thmarx/mongo/search/adapters/lucene/index/LuceneIndex.java
+++ b/adapters/lucene/src/main/java/com/github/thmarx/mongo/search/adapters/lucene/index/LuceneIndex.java
@@ -23,6 +23,7 @@
 import java.io.IOException;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import lombok.extern.slf4j.Slf4j;
 import org.apache.lucene.document.Document;
 import org.apache.lucene.facet.FacetsConfig;
 import org.apache.lucene.index.IndexWriter;
@@ -40,6 +41,7 @@
  *
  * @author t.marx
  */
+@Slf4j
 public class LuceneIndex {
 
 	private IndexWriter writer;
@@ -87,10 +89,9 @@ public void deleteDocuments (Query query) throws IOException {
 	public void commit() {
 		try {
 			writer.commit();
-			writer.maybeMerge();
 			searcherManager.maybeRefresh();
 		} catch (IOException ex) {
-			Logger.getLogger(LuceneIndex.class.getName()).log(Level.SEVERE, null, ex);
+			log.error("", ex);
 		}
 	}
 	
diff --git a/core/src/main/java/com/github/thmarx/mongo/search/index/MongoSearch.java b/core/src/main/java/com/github/thmarx/mongo/search/index/MongoSearch.java
index ed8e271..1bbd7a7 100644
--- a/core/src/main/java/com/github/thmarx/mongo/search/index/MongoSearch.java
+++ b/core/src/main/java/com/github/thmarx/mongo/search/index/MongoSearch.java
@@ -32,7 +32,6 @@
 
 import com.github.thmarx.mongo.search.adapter.IndexAdapter;
 import com.github.thmarx.mongo.search.index.commands.Command;
-import com.github.thmarx.mongo.search.index.indexer.Initializer;
 import com.github.thmarx.mongo.search.index.indexer.Updater;
 import com.github.thmarx.mongo.trigger.CollectionTrigger;
 import com.github.thmarx.mongo.trigger.DatabaseTrigger;
diff --git a/core/src/main/java/com/github/thmarx/mongo/search/index/commands/InitializeCommand.java b/core/src/main/java/com/github/thmarx/mongo/search/index/commands/InitializeCommand.java
index 3541d89..202d989 100644
--- a/core/src/main/java/com/github/thmarx/mongo/search/index/commands/InitializeCommand.java
+++ b/core/src/main/java/com/github/thmarx/mongo/search/index/commands/InitializeCommand.java
@@ -56,6 +56,7 @@ public void execute(final IndexAdapter indexAdapter, final MongoDatabase databas
                         log.error("error clearing collection", e);
                     }
                     log.debug("index collection " + collection);
+					log.debug(dbCol.countDocuments() + " documents to index");
                     dbCol.find(Filters.empty()).forEach((document) -> {
                         try {
                             indexAdapter.indexDocument(database.getName(), collection, document);
@@ -63,7 +64,7 @@ public void execute(final IndexAdapter indexAdapter, final MongoDatabase databas
                             log.error("error indexing document", e);
                         }
                     });
-
+					log.debug("collection indexed");
                 }
             });