+++ /dev/null
-package org.apache.lucene.index;
-
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import java.io.IOException;
-
-import org.apache.lucene.analysis.MockAnalyzer;
-import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
-import org.apache.lucene.index.IndexWriterConfig.OpenMode;
-import org.apache.lucene.search.IndexSearcher;
-import org.apache.lucene.search.ScoreDoc;
-import org.apache.lucene.search.TermQuery;
-import org.apache.lucene.store.Directory;
-import org.apache.lucene.store.MockDirectoryWrapper;
-import org.apache.lucene.store.RAMDirectory;
-import org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.util._TestUtil;
-
-import static org.apache.lucene.index.TestIndexWriter.assertNoUnreferencedFiles;
-
-/**
- * Tests for IndexWriter when the disk runs out of space
- */
-public class TestIndexWriterOnDiskFull extends LuceneTestCase {
-
- /*
- * Make sure IndexWriter cleans up on hitting a disk
- * full exception in addDocument.
- * TODO: how to do this on windows with FSDirectory?
- */
- public void testAddDocumentOnDiskFull() throws IOException {
-
- for(int pass=0;pass<2;pass++) {
- if (VERBOSE) {
- System.out.println("TEST: pass=" + pass);
- }
- boolean doAbort = pass == 1;
- long diskFree = _TestUtil.nextInt(random, 100, 300);
- while(true) {
- if (VERBOSE) {
- System.out.println("TEST: cycle: diskFree=" + diskFree);
- }
- MockDirectoryWrapper dir = new MockDirectoryWrapper(random, new RAMDirectory());
- dir.setMaxSizeInBytes(diskFree);
- IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
- writer.setInfoStream(VERBOSE ? System.out : null);
- MergeScheduler ms = writer.getConfig().getMergeScheduler();
- if (ms instanceof ConcurrentMergeScheduler) {
- // This test intentionally produces exceptions
- // in the threads that CMS launches; we don't
- // want to pollute test output with these.
- ((ConcurrentMergeScheduler) ms).setSuppressExceptions();
- }
-
- boolean hitError = false;
- try {
- for(int i=0;i<200;i++) {
- addDoc(writer);
- }
- if (VERBOSE) {
- System.out.println("TEST: done adding docs; now commit");
- }
- writer.commit();
- } catch (IOException e) {
- if (VERBOSE) {
- System.out.println("TEST: exception on addDoc");
- e.printStackTrace(System.out);
- }
- hitError = true;
- }
-
- if (hitError) {
- if (doAbort) {
- if (VERBOSE) {
- System.out.println("TEST: now rollback");
- }
- writer.rollback();
- } else {
- try {
- if (VERBOSE) {
- System.out.println("TEST: now close");
- }
- writer.close();
- } catch (IOException e) {
- if (VERBOSE) {
- System.out.println("TEST: exception on close; retry w/ no disk space limit");
- e.printStackTrace(System.out);
- }
- dir.setMaxSizeInBytes(0);
- writer.close();
- }
- }
-
- //_TestUtil.syncConcurrentMerges(ms);
-
- if (_TestUtil.anyFilesExceptWriteLock(dir)) {
- assertNoUnreferencedFiles(dir, "after disk full during addDocument");
-
- // Make sure reader can open the index:
- IndexReader.open(dir, true).close();
- }
-
- dir.close();
- // Now try again w/ more space:
-
- diskFree += TEST_NIGHTLY ? _TestUtil.nextInt(random, 400, 600) : _TestUtil.nextInt(random, 3000, 5000);
- } else {
- //_TestUtil.syncConcurrentMerges(writer);
- dir.setMaxSizeInBytes(0);
- writer.close();
- dir.close();
- break;
- }
- }
- }
- }
-
- /*
- Test: make sure when we run out of disk space or hit
- random IOExceptions in any of the addIndexes(*) calls
- that 1) index is not corrupt (searcher can open/search
- it) and 2) transactional semantics are followed:
- either all or none of the incoming documents were in
- fact added.
- */
- public void testAddIndexOnDiskFull() throws IOException
- {
- int START_COUNT = 57;
- int NUM_DIR = 50;
- int END_COUNT = START_COUNT + NUM_DIR*25;
-
- // Build up a bunch of dirs that have indexes which we
- // will then merge together by calling addIndexes(*):
- Directory[] dirs = new Directory[NUM_DIR];
- long inputDiskUsage = 0;
- for(int i=0;i<NUM_DIR;i++) {
- dirs[i] = newDirectory();
- IndexWriter writer = new IndexWriter(dirs[i], newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
- for(int j=0;j<25;j++) {
- addDocWithIndex(writer, 25*i+j);
- }
- writer.close();
- String[] files = dirs[i].listAll();
- for(int j=0;j<files.length;j++) {
- inputDiskUsage += dirs[i].fileLength(files[j]);
- }
- }
-
- // Now, build a starting index that has START_COUNT docs. We
- // will then try to addIndexesNoOptimize into a copy of this:
- MockDirectoryWrapper startDir = newDirectory();
- IndexWriter writer = new IndexWriter(startDir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)));
- for(int j=0;j<START_COUNT;j++) {
- addDocWithIndex(writer, j);
- }
- writer.close();
-
- // Make sure starting index seems to be working properly:
- Term searchTerm = new Term("content", "aaa");
- IndexReader reader = IndexReader.open(startDir, true);
- assertEquals("first docFreq", 57, reader.docFreq(searchTerm));
-
- IndexSearcher searcher = newSearcher(reader);
- ScoreDoc[] hits = searcher.search(new TermQuery(searchTerm), null, 1000).scoreDocs;
- assertEquals("first number of hits", 57, hits.length);
- searcher.close();
- reader.close();
-
- // Iterate with larger and larger amounts of free
- // disk space. With little free disk space,
- // addIndexes will certainly run out of space &
- // fail. Verify that when this happens, index is
- // not corrupt and index in fact has added no
- // documents. Then, we increase disk space by 2000
- // bytes each iteration. At some point there is
- // enough free disk space and addIndexes should
- // succeed and index should show all documents were
- // added.
-
- // String[] files = startDir.listAll();
- long diskUsage = startDir.sizeInBytes();
-
- long startDiskUsage = 0;
- String[] files = startDir.listAll();
- for(int i=0;i<files.length;i++) {
- startDiskUsage += startDir.fileLength(files[i]);
- }
-
- for(int iter=0;iter<3;iter++) {
-
- if (VERBOSE)
- System.out.println("TEST: iter=" + iter);
-
- // Start with 100 bytes more than we are currently using:
- long diskFree = diskUsage+_TestUtil.nextInt(random, 50, 200);
-
- int method = iter;
-
- boolean success = false;
- boolean done = false;
-
- String methodName;
- if (0 == method) {
- methodName = "addIndexes(Directory[]) + optimize()";
- } else if (1 == method) {
- methodName = "addIndexes(IndexReader[])";
- } else {
- methodName = "addIndexes(Directory[])";
- }
-
- while(!done) {
- if (VERBOSE) {
- System.out.println("TEST: cycle...");
- }
-
- // Make a new dir that will enforce disk usage:
- MockDirectoryWrapper dir = new MockDirectoryWrapper(random, new RAMDirectory(startDir));
- writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND).setMergePolicy(newLogMergePolicy()));
- IOException err = null;
- writer.setInfoStream(VERBOSE ? System.out : null);
-
- MergeScheduler ms = writer.getConfig().getMergeScheduler();
- for(int x=0;x<2;x++) {
- if (ms instanceof ConcurrentMergeScheduler)
- // This test intentionally produces exceptions
- // in the threads that CMS launches; we don't
- // want to pollute test output with these.
- if (0 == x)
- ((ConcurrentMergeScheduler) ms).setSuppressExceptions();
- else
- ((ConcurrentMergeScheduler) ms).clearSuppressExceptions();
-
- // Two loops: first time, limit disk space &
- // throw random IOExceptions; second time, no
- // disk space limit:
-
- double rate = 0.05;
- double diskRatio = ((double) diskFree)/diskUsage;
- long thisDiskFree;
-
- String testName = null;
-
- if (0 == x) {
- thisDiskFree = diskFree;
- if (diskRatio >= 2.0) {
- rate /= 2;
- }
- if (diskRatio >= 4.0) {
- rate /= 2;
- }
- if (diskRatio >= 6.0) {
- rate = 0.0;
- }
- if (VERBOSE)
- testName = "disk full test " + methodName + " with disk full at " + diskFree + " bytes";
- } else {
- thisDiskFree = 0;
- rate = 0.0;
- if (VERBOSE)
- testName = "disk full test " + methodName + " with unlimited disk space";
- }
-
- if (VERBOSE)
- System.out.println("\ncycle: " + testName);
-
- dir.setTrackDiskUsage(true);
- dir.setMaxSizeInBytes(thisDiskFree);
- dir.setRandomIOExceptionRate(rate);
-
- try {
-
- if (0 == method) {
- writer.addIndexes(dirs);
- writer.optimize();
- } else if (1 == method) {
- IndexReader readers[] = new IndexReader[dirs.length];
- for(int i=0;i<dirs.length;i++) {
- readers[i] = IndexReader.open(dirs[i], true);
- }
- try {
- writer.addIndexes(readers);
- } finally {
- for(int i=0;i<dirs.length;i++) {
- readers[i].close();
- }
- }
- } else {
- writer.addIndexes(dirs);
- }
-
- success = true;
- if (VERBOSE) {
- System.out.println(" success!");
- }
-
- if (0 == x) {
- done = true;
- }
-
- } catch (IOException e) {
- success = false;
- err = e;
- if (VERBOSE) {
- System.out.println(" hit IOException: " + e);
- e.printStackTrace(System.out);
- }
-
- if (1 == x) {
- e.printStackTrace(System.out);
- fail(methodName + " hit IOException after disk space was freed up");
- }
- }
-
- // Make sure all threads from
- // ConcurrentMergeScheduler are done
- _TestUtil.syncConcurrentMerges(writer);
-
- if (VERBOSE) {
- System.out.println(" now test readers");
- }
-
- // Finally, verify index is not corrupt, and, if
- // we succeeded, we see all docs added, and if we
- // failed, we see either all docs or no docs added
- // (transactional semantics):
- try {
- reader = IndexReader.open(dir, true);
- } catch (IOException e) {
- e.printStackTrace(System.out);
- fail(testName + ": exception when creating IndexReader: " + e);
- }
- int result = reader.docFreq(searchTerm);
- if (success) {
- if (result != START_COUNT) {
- fail(testName + ": method did not throw exception but docFreq('aaa') is " + result + " instead of expected " + START_COUNT);
- }
- } else {
- // On hitting exception we still may have added
- // all docs:
- if (result != START_COUNT && result != END_COUNT) {
- err.printStackTrace(System.out);
- fail(testName + ": method did throw exception but docFreq('aaa') is " + result + " instead of expected " + START_COUNT + " or " + END_COUNT);
- }
- }
-
- searcher = newSearcher(reader);
- try {
- hits = searcher.search(new TermQuery(searchTerm), null, END_COUNT).scoreDocs;
- } catch (IOException e) {
- e.printStackTrace(System.out);
- fail(testName + ": exception when searching: " + e);
- }
- int result2 = hits.length;
- if (success) {
- if (result2 != result) {
- fail(testName + ": method did not throw exception but hits.length for search on term 'aaa' is " + result2 + " instead of expected " + result);
- }
- } else {
- // On hitting exception we still may have added
- // all docs:
- if (result2 != result) {
- err.printStackTrace(System.out);
- fail(testName + ": method did throw exception but hits.length for search on term 'aaa' is " + result2 + " instead of expected " + result);
- }
- }
-
- searcher.close();
- reader.close();
- if (VERBOSE) {
- System.out.println(" count is " + result);
- }
-
- if (done || result == END_COUNT) {
- break;
- }
- }
-
- if (VERBOSE) {
- System.out.println(" start disk = " + startDiskUsage + "; input disk = " + inputDiskUsage + "; max used = " + dir.getMaxUsedSizeInBytes());
- }
-
- if (done) {
- // Javadocs state that temp free Directory space
- // required is at most 2X total input size of
- // indices so let's make sure:
- assertTrue("max free Directory space required exceeded 1X the total input index sizes during " + methodName +
- ": max temp usage = " + (dir.getMaxUsedSizeInBytes()-startDiskUsage) + " bytes vs limit=" + (2*(startDiskUsage + inputDiskUsage)) +
- "; starting disk usage = " + startDiskUsage + " bytes; " +
- "input index disk usage = " + inputDiskUsage + " bytes",
- (dir.getMaxUsedSizeInBytes()-startDiskUsage) < 2*(startDiskUsage + inputDiskUsage));
- }
-
- // Make sure we don't hit disk full during close below:
- dir.setMaxSizeInBytes(0);
- dir.setRandomIOExceptionRate(0.0);
-
- writer.close();
-
- // Wait for all BG threads to finish else
- // dir.close() will throw IOException because
- // there are still open files
- _TestUtil.syncConcurrentMerges(ms);
-
- dir.close();
-
- // Try again with more free space:
- diskFree += TEST_NIGHTLY ? _TestUtil.nextInt(random, 4000, 8000) : _TestUtil.nextInt(random, 40000, 80000);
- }
- }
-
- startDir.close();
- for (Directory dir : dirs)
- dir.close();
- }
-
- private static class FailTwiceDuringMerge extends MockDirectoryWrapper.Failure {
- public boolean didFail1;
- public boolean didFail2;
-
- @Override
- public void eval(MockDirectoryWrapper dir) throws IOException {
- if (!doFail) {
- return;
- }
- StackTraceElement[] trace = new Exception().getStackTrace();
- for (int i = 0; i < trace.length; i++) {
- if ("org.apache.lucene.index.SegmentMerger".equals(trace[i].getClassName()) && "mergeTerms".equals(trace[i].getMethodName()) && !didFail1) {
- didFail1 = true;
- throw new IOException("fake disk full during mergeTerms");
- }
- if ("org.apache.lucene.util.BitVector".equals(trace[i].getClassName()) && "write".equals(trace[i].getMethodName()) && !didFail2) {
- didFail2 = true;
- throw new IOException("fake disk full while writing BitVector");
- }
- }
- }
- }
-
- // LUCENE-2593
- public void testCorruptionAfterDiskFullDuringMerge() throws IOException {
- MockDirectoryWrapper dir = newDirectory();
- //IndexWriter w = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setReaderPooling(true));
- IndexWriter w = new IndexWriter(
- dir,
- newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
- setMergeScheduler(new SerialMergeScheduler()).
- setReaderPooling(true).
- setMergePolicy(newLogMergePolicy(2))
- );
-
- _TestUtil.keepFullyDeletedSegments(w);
-
- ((LogMergePolicy) w.getMergePolicy()).setMergeFactor(2);
-
- Document doc = new Document();
- doc.add(newField("f", "doctor who", Field.Store.YES, Field.Index.ANALYZED));
- w.addDocument(doc);
- w.commit();
-
- w.deleteDocuments(new Term("f", "who"));
- w.addDocument(doc);
-
- // disk fills up!
- FailTwiceDuringMerge ftdm = new FailTwiceDuringMerge();
- ftdm.setDoFail();
- dir.failOn(ftdm);
-
- try {
- w.commit();
- fail("fake disk full IOExceptions not hit");
- } catch (IOException ioe) {
- // expected
- assertTrue(ftdm.didFail1 || ftdm.didFail2);
- }
- _TestUtil.checkIndex(dir);
- ftdm.clearDoFail();
- w.addDocument(doc);
- w.close();
-
- dir.close();
- }
-
- // LUCENE-1130: make sure immeidate disk full on creating
- // an IndexWriter (hit during DW.ThreadState.init()) is
- // OK:
- public void testImmediateDiskFull() throws IOException {
- MockDirectoryWrapper dir = newDirectory();
- IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))
- .setMaxBufferedDocs(2).setMergeScheduler(new ConcurrentMergeScheduler()));
- dir.setMaxSizeInBytes(Math.max(1, dir.getRecomputedActualSizeInBytes()));
- final Document doc = new Document();
- doc.add(newField("field", "aaa bbb ccc ddd eee fff ggg hhh iii jjj", Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS));
- try {
- writer.addDocument(doc);
- fail("did not hit disk full");
- } catch (IOException ioe) {
- }
- // Without fix for LUCENE-1130: this call will hang:
- try {
- writer.addDocument(doc);
- fail("did not hit disk full");
- } catch (IOException ioe) {
- }
- try {
- writer.close(false);
- fail("did not hit disk full");
- } catch (IOException ioe) {
- }
-
- // Make sure once disk space is avail again, we can
- // cleanly close:
- dir.setMaxSizeInBytes(0);
- writer.close(false);
- dir.close();
- }
-
- // TODO: these are also in TestIndexWriter... add a simple doc-writing method
- // like this to LuceneTestCase?
- private void addDoc(IndexWriter writer) throws IOException
- {
- Document doc = new Document();
- doc.add(newField("content", "aaa", Field.Store.NO, Field.Index.ANALYZED));
- writer.addDocument(doc);
- }
-
- private void addDocWithIndex(IndexWriter writer, int index) throws IOException
- {
- Document doc = new Document();
- doc.add(newField("content", "aaa " + index, Field.Store.YES, Field.Index.ANALYZED));
- doc.add(newField("id", "" + index, Field.Store.YES, Field.Index.ANALYZED));
- writer.addDocument(doc);
- }
-}
fnp / pylucene.git / blobdiff