--- a/src/luan/modules/lucene/LuceneIndex.java	Tue Oct 06 20:53:43 2020 -0600
+++ b/src/luan/modules/lucene/LuceneIndex.java	Sun Oct 11 17:28:16 2020 -0600
@@ -421,7 +421,14 @@
 	}
 
 	public void tag(String tag) throws IOException {
-		writer.tag(tag);
+		boolean commit = !writeLock.isHeldByCurrentThread();
+		writeLock.lock();
+		try {
+			writer.tag(tag);
+			if(commit) writer.commit();
+		} finally {
+			writeLock.unlock();
+		}
 	}
 
 
@@ -770,6 +777,20 @@
 		writer.addDocument(toLucene(doc));
 	}
 
+	public void relog()
+		throws IOException, LuanException
+	{
+		logger.info("start relog");
+		writeLock.lock();
+		try {
+			LoggingIndexWriter loggingWriter = (LoggingIndexWriter)writer;
+			loggingWriter.logLucene();
+		} finally {
+			writeLock.unlock();
+		}
+		logger.info("end relog");
+	}
+
 	public void restore_from_log(LuanFunction handler)
 		throws IOException, LuanException, SQLException, ParseException
 	{
@@ -791,8 +812,6 @@
 		boolean ok = false;
 		try {
 			LoggingIndexWriter loggingWriter = (LoggingIndexWriter)writer;
-			IndexWriter iw = writer.getLuceneIndexWriter();
-			iw.deleteAll();
 			loggingWriter.playLogs(opDoer);
 			ok = true;
 			wrote();
@@ -831,13 +850,6 @@
 		logger.info("end check");
 	}
 
-	public void rebuild_log() throws IOException {
-		logger.info("start rebuild_log");
-		LoggingIndexWriter loggingWriter = (LoggingIndexWriter)writer;
-		loggingWriter.newLogs();
-		logger.info("end rebuild_log");
-	}
-
 	private void checkPostgres(Luan luan)
 		throws IOException, SQLException, LuanException, ParseException
 	{