Examples of org.apache.lucene.index.IndexWriter.commit()

Class org.apache.lucene.index.IndexWriter

Examples of org.apache.lucene.index.IndexWriter.commit()

org.apache.lucene.index.IndexWriter.commit()

Commits all pending changes (added & deleted documents, segment merges, added indexes, etc.) to the index, and syncs all referenced index files, such that a reader will see the changes and the index updates will survive an OS or machine crash or power loss. Note that this does not wait for any running background merges to finish. This may be a costly operation, so you should test the cost in your application and do it only when really necessary.

Note that this operation calls Directory.sync on the index files. That call should not return until the file contents & metadata are on stable storage. For FSDirectory, this calls the OS's fsync. But, beware: some hardware devices may in fact cache writes even during fsync, and return before the bits are actually on stable storage, to give the appearance of faster performance. If you have such a device, and it does not have a battery backup (for example) then on power loss it may still lose data. Lucene cannot guarantee consistency on such devices.

NOTE: if this method hits an OutOfMemoryError you should immediately close the writer. See above for details.
@see #prepareCommit @see #commit(Map)

    writer.addDocument(doc("prop1=val2", "prop3=val1", "prop7=val7"));
    writer.addDocument(doc("prop1=val2", "prop3=val2", "prop3=val3"));
    writer.addDocument(doc("prop1=val1", "prop2=val1"));
    writer.addDocument(doc("prop1=val1", "prop2=val1"));
    writer.addDocument(doc("prop1=val1", "prop2=val1", "prop4=val2", "prop4=val3"));
    writer.commit();


    attributesFacetHandler = new AttributesFacetHandler(AttributeHandlerName, AttributeHandlerName,
        null, null, new HashMap<String, String>());
    facetHandlers.add(attributesFacetHandler);
    DirectoryReader reader = DirectoryReader.open(directory);

View Full Code Here

    writer.addDocument(doc("prop1=val2", "prop3=val1", "prop7=val7"));
    writer.addDocument(doc("prop1=val2", "prop3=val2", "prop3=val3"));
    writer.addDocument(doc("prop1=val1", "prop2=val1"));
    writer.addDocument(doc("prop1=val1", "prop2=val1"));
    writer.addDocument(doc("prop1=val1", "prop2=val1", "prop4=val2", "prop4=val3"));
    writer.commit();


    HashMap<String, String> facetProps = new HashMap<String, String>();
    facetProps.put(AttributesFacetHandler.MAX_FACETS_PER_KEY_PROP_NAME, "1");
    attributesFacetHandler = new AttributesFacetHandler(AttributeHandlerName, AttributeHandlerName,
        null, null, facetProps);

View Full Code Here

    config.setOpenMode(OpenMode.CREATE);
    IndexWriter writer = new IndexWriter(directory, config);
    Document doc = new Document();
    addMetaDataField(doc, PathHandlerName, new String[] { "/a/b/c", "/a/b/d" });
    writer.addDocument(doc);
    writer.commit();


    PathFacetHandler pathHandler = new PathFacetHandler("path", true);
    facetHandlers.add(pathHandler);
  }

View Full Code Here

      Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_43);
      IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_43, analyzer);
      IndexWriter idxWriter = new IndexWriter(_indexDir, config);
      idxWriter.deleteDocuments(new Term("id", "1"));
      idxWriter.deleteDocuments(new Term("id", "2"));
      idxWriter.commit();
      reader = newIndexReader();


      br = new BrowseRequest();
      br.setCount(10);
      br.setOffset(0);

View Full Code Here

    for (long l = 0; l < 53; l++) {
      Document d = new Document();
      d.add(buildMetaField("timeinmillis", df.format(now - l * 3500000)));
      idxWriter.addDocument(d);
      idxWriter.forceMerge(1);
      idxWriter.commit();
    }
    idxWriter.close();
    DirectoryReader idxReader = DirectoryReader.open(idxDir);
    BoboMultiReader boboReader = BoboMultiReader.getInstance(idxReader, facetHandlers);
    BoboBrowser browser = new BoboBrowser(boboReader);

View Full Code Here

      _lock.writeLock().lock();
      try {
        IndexWriter indexWriter = _trackingWriter.getIndexWriter();
        for (HdfsDirectory directory : indexesToImport) {
          LOG.info("Starting import [{0}], commiting on [{1}/{2}]", directory, shard, table);
          indexWriter.commit();
          boolean isSuccess = true;
          boolean isRollbackDueToException = false;
          boolean emitDeletes = indexWriter.numDocs() != 0;
          try {
            isSuccess = applyDeletes(directory, indexWriter, shard, emitDeletes);

View Full Code Here

            LOG.info("Add index [{0}] [{1}/{2}]", directory, shard, table);
            indexWriter.addIndexes(directory);
            LOG.info("Removing delete markers [{0}] on [{1}/{2}]", directory, shard, table);
            indexWriter.deleteDocuments(new Term(BlurConstants.DELETE_MARKER, BlurConstants.DELETE_MARKER_VALUE));
            LOG.info("Finishing import [{0}], commiting on [{1}/{2}]", directory, shard, table);
            indexWriter.commit();
            indexWriter.maybeMerge();
            LOG.info("Cleaning up old directory [{0}] for [{1}/{2}]", dirPath, shard, table);
            fileSystem.delete(dirPath, true);
            LOG.info("Import complete on [{0}/{1}]", shard, table);
          } else {

View Full Code Here

                        TEST_VERSION_CURRENT, new MockAnalyzer(random)));
    Document doc = new Document();
    doc.add(newField("f", "", Field.Store.NO, Field.Index.NOT_ANALYZED));
    doc.add(newField("t", "1", Field.Store.NO, Field.Index.NOT_ANALYZED));
    w.addDocument(doc);
    w.commit();
    doc = new Document();
    doc.add(newField("t", "1", Field.Store.NO, Field.Index.NOT_ANALYZED));
    w.addDocument(doc);


    IndexReader r = IndexReader.open(w, true);

View Full Code Here

    Directory dir = new RAMDirectory();
    IndexWriterConfig conf = new IndexWriterConfig(TEST_VERSION_CURRENT, null);
    conf.setMergeScheduler(new ReportingMergeScheduler());
    IndexWriter writer = new IndexWriter(dir, conf);
    writer.addDocument(new Document());
    writer.commit(); // trigger flush
    writer.addDocument(new Document());
    writer.commit(); // trigger flush
    writer.optimize();
    writer.close();
    dir.close();

View Full Code Here


        assertTrue("RAMDirectory.setLockFactory did not take",
                   NoLockFactory.class.isInstance(dir.getLockFactory()));


        IndexWriter writer = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)));
        writer.commit(); // required so the second open succeed 
        // Create a 2nd IndexWriter.  This is normally not allowed but it should run through since we're not
        // using any locks:
        IndexWriter writer2 = null;
        try {
            writer2 = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND));

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.