Esempio n. 1
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void recoverFirstCorruptedTransactionAfterCheckpointInLastLogFile() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void RecoverFirstCorruptedTransactionAfterCheckpointInLastLogFile()
        {
            GraphDatabaseAPI database = ( GraphDatabaseAPI )_databaseFactory.newEmbeddedDatabase(_storeDir);

            GenerateTransactionsAndRotate(database, 5);
            database.Shutdown();

            File highestLogFile     = _logFiles.HighestLogFile;
            long originalFileLength = highestLogFile.length();

            AddCorruptedCommandsToLastLogFile();
            long modifiedFileLength = highestLogFile.length();

            assertThat(modifiedFileLength, greaterThan(originalFileLength));

            database = StartDbNoRecoveryOfCorruptedLogs();
            database.Shutdown();

            _logProvider.rawMessageMatcher().assertContains("Fail to read transaction log version 5.");
            _logProvider.rawMessageMatcher().assertContains("Fail to read first transaction of log version 5.");
            _logProvider.rawMessageMatcher().assertContains("Recovery required from position LogPosition{logVersion=5, byteOffset=593}");
            _logProvider.rawMessageMatcher().assertContains("Fail to recover all transactions. " + "Any later transactions after position LogPosition{logVersion=5, byteOffset=593} " + "are unreadable and will be truncated.");

            assertEquals(5, _logFiles.HighestLogVersion);
            ObjectLongMap <Type> logEntriesDistribution = GetLogEntriesDistribution(_logFiles);

            assertEquals(1, logEntriesDistribution.get(typeof(CheckPoint)));
            assertEquals(originalFileLength, highestLogFile.length());
        }
Esempio n. 2
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        private void GenerateInitialData()
        {
            GraphDatabaseBuilder builder = (new TestGraphDatabaseFactory()).newEmbeddedDatabaseBuilder(_directory.databaseDir());
            GraphDatabaseAPI     graphDb = ( GraphDatabaseAPI )builder.SetConfig(GraphDatabaseSettings.record_format, _formatName).setConfig(GraphDatabaseSettings.label_block_size, "60").setConfig("dbms.backup.enabled", "false").newGraphDatabase();

            try
            {
                GenerateInitialData(graphDb);
                StoreAccess stores = (new StoreAccess(graphDb.DependencyResolver.resolveDependency(typeof(RecordStorageEngine)).testAccessNeoStores())).initialize();
                _schemaId     = stores.SchemaStore.HighId;
                _nodeId       = stores.NodeStore.HighId;
                _labelId      = ( int )stores.LabelTokenStore.HighId;
                _nodeLabelsId = stores.NodeDynamicLabelStore.HighId;
                _relId        = stores.RelationshipStore.HighId;
                _relGroupId   = stores.RelationshipGroupStore.HighId;
                _propId       = ( int )stores.PropertyStore.HighId;
                _stringPropId = stores.StringStore.HighId;
                _arrayPropId  = stores.ArrayStore.HighId;
                _relTypeId    = ( int )stores.RelationshipTypeTokenStore.HighId;
                _propKeyId    = ( int )stores.PropertyKeyNameStore.HighId;
            }
            finally
            {
                graphDb.Shutdown();
            }
        }
Esempio n. 3
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void doNotTruncateNewerTransactionLogFileWhenFailOnError() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void DoNotTruncateNewerTransactionLogFileWhenFailOnError()
        {
            GraphDatabaseAPI database = ( GraphDatabaseAPI )_databaseFactory.newEmbeddedDatabase(_storeDir);

            for (int i = 0; i < 10; i++)
            {
                GenerateTransaction(database);
            }
            database.Shutdown();
            RemoveLastCheckpointRecordFromLastLogFile();
            AddRandomBytesToLastLogFile(this.randomPositiveBytes);

            _expectedException.expectCause(new RootCauseMatcher <>(typeof(UnsupportedLogVersionException)));

            database = ( GraphDatabaseAPI )_databaseFactory.newEmbeddedDatabase(_storeDir);
            database.Shutdown();
        }
Esempio n. 4
0
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void verifyLogFilesWithCustomPathListing(String path) throws java.io.IOException
        private void VerifyLogFilesWithCustomPathListing(string path)
        {
            GraphDatabaseAPI   graphDatabase = ( GraphDatabaseAPI )(new TestGraphDatabaseFactory()).newEmbeddedDatabaseBuilder(TestDirectory.databaseDir("customDb")).setConfig(GraphDatabaseSettings.logical_logs_location, path).newGraphDatabase();
            NeoStoreDataSource dataSource    = graphDatabase.DependencyResolver.resolveDependency(typeof(NeoStoreDataSource));
            LogFiles           logFiles      = graphDatabase.DependencyResolver.resolveDependency(typeof(LogFiles));

            assertTrue(dataSource.ListStoreFiles(true).Any(metadata => metadata.LogFile && logFiles.IsLogFile(metadata.file())));
            assertEquals(Paths.get(path).FileName.ToString(), logFiles.LogFilesDirectory().Name);
            graphDatabase.Shutdown();
        }
Esempio n. 5
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void recoverNotAFirstCorruptedTransactionMultipleFilesNoCheckpoints() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void RecoverNotAFirstCorruptedTransactionMultipleFilesNoCheckpoints()
        {
            GraphDatabaseAPI   database           = ( GraphDatabaseAPI )_databaseFactory.newEmbeddedDatabase(_storeDir);
            TransactionIdStore transactionIdStore = GetTransactionIdStore(database);
            long lastClosedTransactionBeforeStart = transactionIdStore.LastClosedTransactionId;

            GenerateTransactionsAndRotate(database, 3);
            for (int i = 0; i < 7; i++)
            {
                GenerateTransaction(database);
            }
            long numberOfTransactions = transactionIdStore.LastClosedTransactionId - lastClosedTransactionBeforeStart;

            database.Shutdown();

            LogFiles logFiles           = BuildDefaultLogFiles();
            File     highestLogFile     = logFiles.HighestLogFile;
            long     originalFileLength = highestLogFile.length();

            RemoveLastCheckpointRecordFromLastLogFile();

            AddCorruptedCommandsToLastLogFile();
            long modifiedFileLength = highestLogFile.length();

            assertThat(modifiedFileLength, greaterThan(originalFileLength));

            database = StartDbNoRecoveryOfCorruptedLogs();
            database.Shutdown();

            _logProvider.rawMessageMatcher().assertContains("Fail to read transaction log version 3.");
            _logProvider.rawMessageMatcher().assertContains("Recovery required from position LogPosition{logVersion=0, byteOffset=16}");
            _logProvider.rawMessageMatcher().assertContains("Fail to recover all transactions.");
            _logProvider.rawMessageMatcher().assertContains("Any later transaction after LogPosition{logVersion=3, byteOffset=4632} are unreadable and will be truncated.");

            assertEquals(3, logFiles.HighestLogVersion);
            ObjectLongMap <Type> logEntriesDistribution = GetLogEntriesDistribution(logFiles);

            assertEquals(1, logEntriesDistribution.get(typeof(CheckPoint)));
            assertEquals(numberOfTransactions, _recoveryMonitor.NumberOfRecoveredTransactions);
            assertEquals(originalFileLength, highestLogFile.length());
        }
Esempio n. 6
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void evenTruncateNewerTransactionLogFile() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void EvenTruncateNewerTransactionLogFile()
        {
            GraphDatabaseAPI   database           = ( GraphDatabaseAPI )_databaseFactory.newEmbeddedDatabase(_storeDir);
            TransactionIdStore transactionIdStore = GetTransactionIdStore(database);
            long lastClosedTransactionBeforeStart = transactionIdStore.LastClosedTransactionId;

            for (int i = 0; i < 10; i++)
            {
                GenerateTransaction(database);
            }
            long numberOfClosedTransactions = GetTransactionIdStore(database).LastClosedTransactionId - lastClosedTransactionBeforeStart;

            database.Shutdown();
            RemoveLastCheckpointRecordFromLastLogFile();
            AddRandomBytesToLastLogFile(this.randomBytes);

            database = StartDbNoRecoveryOfCorruptedLogs();
            database.Shutdown();

            assertEquals(numberOfClosedTransactions, _recoveryMonitor.NumberOfRecoveredTransactions);
        }
Esempio n. 7
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void truncateNewerTransactionLogFileWhenForced() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void TruncateNewerTransactionLogFileWhenForced()
        {
            GraphDatabaseAPI database = ( GraphDatabaseAPI )_databaseFactory.newEmbeddedDatabase(_storeDir);

            for (int i = 0; i < 10; i++)
            {
                GenerateTransaction(database);
            }
            TransactionIdStore transactionIdStore = GetTransactionIdStore(database);
            long numberOfClosedTransactions       = transactionIdStore.LastClosedTransactionId - 1;

            database.Shutdown();

            RemoveLastCheckpointRecordFromLastLogFile();
            AddRandomBytesToLastLogFile(this.randomBytes);

            database = StartDbNoRecoveryOfCorruptedLogs();
            database.Shutdown();

            _logProvider.rawMessageMatcher().assertContains("Fail to read transaction log version 0.");
            _logProvider.rawMessageMatcher().assertContains("Fail to read transaction log version 0. Last valid transaction start offset is: 5668.");
            assertEquals(numberOfClosedTransactions, _recoveryMonitor.NumberOfRecoveredTransactions);
        }
Esempio n. 8
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void skipMigrationIfStoreFormatNotSpecifiedButIsAvailableInRuntime()
        internal virtual void SkipMigrationIfStoreFormatNotSpecifiedButIsAvailableInRuntime()
        {
            GraphDatabaseService database = StartDatabaseWithFormatUnspecifiedUpgrade(_storeDir, StandardV3_2.NAME);

            using (Transaction transaction = database.BeginTx())
            {
                Node node = database.CreateNode();
                node.SetProperty("a", "b");
                transaction.Success();
            }
            database.Shutdown();

            GraphDatabaseAPI    nonUpgradedStore = ( GraphDatabaseAPI )(new GraphDatabaseFactory()).newEmbeddedDatabase(_storeDir);
            RecordStorageEngine storageEngine    = nonUpgradedStore.DependencyResolver.resolveDependency(typeof(RecordStorageEngine));

            assertEquals(StandardV3_2.NAME, storageEngine.TestAccessNeoStores().RecordFormats.name());
            nonUpgradedStore.Shutdown();
        }
Esempio n. 9
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        private long PopulatePrototype(File prototypePath)
        {
            GraphDatabaseAPI prototype = Db(prototypePath);
            long             txId;

            try
            {
                foreach (Transaction transaction in _work)
                {
                    transaction.applyTo(prototype);
                }
            }
            finally
            {
                txId = prototype.DependencyResolver.resolveDependency(typeof(MetaDataStore)).LastCommittedTransactionId;
                prototype.Shutdown();
            }
            return(txId);
        }
Esempio n. 10
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        internal virtual void RecoverWithDatabase(Path databaseDirectory, PageCache pageCache, Config config)
        {
            DatabaseLayout databaseLayout             = DatabaseLayout.of(databaseDirectory.toFile());
            IDictionary <string, string> configParams = config.Raw;

            configParams[GraphDatabaseSettings.logical_logs_location.name()]    = databaseDirectory.ToString();
            configParams[GraphDatabaseSettings.active_database.name()]          = databaseLayout.DatabaseName;
            configParams[GraphDatabaseSettings.pagecache_warmup_enabled.name()] = Settings.FALSE;
            GraphDatabaseAPI targetDb = startTemporaryDb(databaseLayout.DatabaseDirectory(), pageCache, configParams);

            targetDb.Shutdown();
            // as soon as recovery will be extracted we will not gonna need this
            File lockFile = databaseLayout.StoreLayout.storeLockFile();

            if (lockFile.exists())
            {
                FileUtils.deleteFile(lockFile);
            }
        }
Esempio n. 11
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void repetitiveRecoveryIfCorruptedLogsWithCheckpoints() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void RepetitiveRecoveryIfCorruptedLogsWithCheckpoints()
        {
            GraphDatabaseAPI database = ( GraphDatabaseAPI )_databaseFactory.newEmbeddedDatabase(_storeDir);

            GenerateTransactionsAndRotate(database, 4, true);
            database.Shutdown();

            while (_logFiles.HighestLogVersion > 0)
            {
                int bytesToTrim = 1 + _random.Next(100);
                TruncateBytesFromLastLogFile(bytesToTrim);
                _databaseFactory.newEmbeddedDatabase(_storeDir).shutdown();
                int numberOfRecoveredTransactions = _recoveryMonitor.NumberOfRecoveredTransactions;
                assertThat(numberOfRecoveredTransactions, Matchers.greaterThanOrEqualTo(0));
            }

            File corruptedLogArchives = new File(_storeDir, CorruptedLogsTruncator.CORRUPTED_TX_LOGS_BASE_NAME);

            assertThat(corruptedLogArchives.listFiles(), not(emptyArray()));
        }
Esempio n. 12
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void repetitiveRecoveryOfCorruptedLogs() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void RepetitiveRecoveryOfCorruptedLogs()
        {
            GraphDatabaseAPI database = ( GraphDatabaseAPI )_databaseFactory.newEmbeddedDatabase(_storeDir);

            GenerateTransactionsAndRotate(database, 4, false);
            database.Shutdown();
            RemoveLastCheckpointRecordFromLastLogFile();

            int expectedRecoveredTransactions = 7;

            while (expectedRecoveredTransactions > 0)
            {
                TruncateBytesFromLastLogFile(1 + _random.Next(10));
                _databaseFactory.newEmbeddedDatabase(_storeDir).shutdown();
                int numberOfRecoveredTransactions = _recoveryMonitor.NumberOfRecoveredTransactions;
                assertEquals(expectedRecoveredTransactions, numberOfRecoveredTransactions);
                expectedRecoveredTransactions--;
                RemoveLastCheckpointRecordFromLastLogFile();
            }
        }
Esempio n. 13
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void crashAndRebuildSlowWithDynamicStringDeletions() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void CrashAndRebuildSlowWithDynamicStringDeletions()
        {
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.internal.GraphDatabaseAPI db = (org.neo4j.kernel.internal.GraphDatabaseAPI) new org.neo4j.test.TestGraphDatabaseFactory().setFileSystem(fs.get()).newImpermanentDatabaseBuilder(testDir.databaseDir()).setConfig(org.neo4j.graphdb.factory.GraphDatabaseSettings.record_id_batch_size, "1").newGraphDatabase();
            GraphDatabaseAPI           db                 = ( GraphDatabaseAPI )(new TestGraphDatabaseFactory()).setFileSystem(Fs.get()).newImpermanentDatabaseBuilder(TestDir.databaseDir()).setConfig(GraphDatabaseSettings.record_id_batch_size, "1").newGraphDatabase();
            IList <long>               deletedNodeIds     = ProduceNonCleanDefraggedStringStore(db);
            IDictionary <IdType, long> highIdsBeforeCrash = GetHighIds(db);

            // Make sure all of our changes are actually written to the files, since any background flushing could
            // mess up the check-sums in non-deterministic ways
            Db.DependencyResolver.resolveDependency(typeof(PageCache)).flushAndForce();

            long checksumBefore  = Fs.get().checksum();
            long checksumBefore2 = Fs.get().checksum();

            assertThat(checksumBefore, Matchers.equalTo(checksumBefore2));

            EphemeralFileSystemAbstraction snapshot = Fs.snapshot(Db.shutdown);

            long snapshotChecksum = snapshot.Checksum();

            if (snapshotChecksum != checksumBefore)
            {
                using (Stream @out = new FileStream(TestDir.file("snapshot.zip"), FileMode.Create, FileAccess.Write))
                {
                    snapshot.DumpZip(@out);
                }
                using (Stream @out = new FileStream(TestDir.file("fs.zip"), FileMode.Create, FileAccess.Write))
                {
                    Fs.get().dumpZip(@out);
                }
            }
            assertThat(snapshotChecksum, equalTo(checksumBefore));

            // Recover with unsupported.dbms.id_generator_fast_rebuild_enabled=false
            AssertNumberOfFreeIdsEquals(TestDir.databaseDir(), snapshot, 0);
            GraphDatabaseAPI           newDb             = ( GraphDatabaseAPI )(new TestGraphDatabaseFactory()).setFileSystem(snapshot).newImpermanentDatabaseBuilder(TestDir.databaseDir()).setConfig(GraphDatabaseSettings.rebuild_idgenerators_fast, FALSE).newGraphDatabase();
            IDictionary <IdType, long> highIdsAfterCrash = GetHighIds(newDb);

            assertEquals(highIdsBeforeCrash, highIdsAfterCrash);

            try
            {
                using (Transaction tx = newDb.BeginTx())
                {
                    // Verify that the data we didn't delete is still around
                    int nameCount = 0;
                    int relCount  = 0;
                    foreach (Node node in newDb.AllNodes)
                    {
                        nameCount++;
                        assertThat(node, inTx(newDb, hasProperty("name"), true));
                        relCount += ( int )Iterables.count(node.GetRelationships(Direction.OUTGOING));
                    }

                    assertEquals(16, nameCount);
                    assertEquals(12, relCount);

                    // Verify that the ids of the nodes we deleted are reused
                    IList <long> newIds = new List <long>();
                    newIds.Add(newDb.CreateNode().Id);
                    newIds.Add(newDb.CreateNode().Id);
                    newIds.Add(newDb.CreateNode().Id);
                    newIds.Add(newDb.CreateNode().Id);
                    assertThat(newIds, @is(deletedNodeIds));
                    tx.Success();
                }
            }
            finally
            {
                newDb.Shutdown();
                snapshot.Dispose();
            }
        }