| /* |
| * 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. |
| */ |
| |
| package org.apache.cassandra.db.lifecycle; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import junit.framework.Assert; |
| import org.apache.cassandra.MockSchema; |
| import org.apache.cassandra.SchemaLoader; |
| import org.apache.cassandra.config.CFMetaData; |
| import org.apache.cassandra.config.Schema; |
| import org.apache.cassandra.db.ColumnFamilyStore; |
| import org.apache.cassandra.db.Keyspace; |
| import org.apache.cassandra.db.SerializationHeader; |
| import org.apache.cassandra.db.compaction.AbstractCompactionStrategy; |
| import org.apache.cassandra.db.compaction.CompactionController; |
| import org.apache.cassandra.db.compaction.CompactionIterator; |
| import org.apache.cassandra.db.compaction.OperationType; |
| import org.apache.cassandra.io.sstable.CQLSSTableWriter; |
| import org.apache.cassandra.io.sstable.Descriptor; |
| import org.apache.cassandra.io.sstable.SSTableRewriter; |
| import org.apache.cassandra.io.sstable.format.SSTableReader; |
| import org.apache.cassandra.io.sstable.format.SSTableWriter; |
| import org.apache.cassandra.schema.KeyspaceParams; |
| import org.apache.cassandra.utils.FBUtilities; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Tests to simulate real transactions such as compactions and flushing |
| * using SSTableRewriter, ColumnFamilyStore, LifecycleTransaction, TransactionLogs, etc |
| */ |
| public class RealTransactionsTest extends SchemaLoader |
| { |
| private static final String KEYSPACE = "TransactionLogsTest"; |
| private static final String REWRITE_FINISHED_CF = "RewriteFinished"; |
| private static final String REWRITE_ABORTED_CF = "RewriteAborted"; |
| private static final String FLUSH_CF = "Flush"; |
| |
| @BeforeClass |
| public static void setUp() |
| { |
| MockSchema.cleanup(); |
| |
| SchemaLoader.prepareServer(); |
| SchemaLoader.createKeyspace(KEYSPACE, |
| KeyspaceParams.simple(1), |
| SchemaLoader.standardCFMD(KEYSPACE, REWRITE_FINISHED_CF), |
| SchemaLoader.standardCFMD(KEYSPACE, REWRITE_ABORTED_CF), |
| SchemaLoader.standardCFMD(KEYSPACE, FLUSH_CF)); |
| } |
| |
| @Test |
| public void testRewriteFinished() throws IOException |
| { |
| Keyspace keyspace = Keyspace.open(KEYSPACE); |
| ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(REWRITE_FINISHED_CF); |
| |
| SSTableReader oldSSTable = getSSTable(cfs, 1); |
| LifecycleTransaction txn = cfs.getTracker().tryModify(oldSSTable, OperationType.COMPACTION); |
| SSTableReader newSSTable = replaceSSTable(cfs, txn, false); |
| LogTransaction.waitForDeletions(); |
| |
| // both sstables are in the same folder |
| assertFiles(oldSSTable.descriptor.directory.getPath(), new HashSet<>(newSSTable.getAllFilePaths())); |
| assertFiles(newSSTable.descriptor.directory.getPath(), new HashSet<>(newSSTable.getAllFilePaths())); |
| } |
| |
| @Test |
| public void testRewriteAborted() throws IOException |
| { |
| Keyspace keyspace = Keyspace.open(KEYSPACE); |
| ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(REWRITE_ABORTED_CF); |
| |
| SSTableReader oldSSTable = getSSTable(cfs, 1); |
| LifecycleTransaction txn = cfs.getTracker().tryModify(oldSSTable, OperationType.COMPACTION); |
| |
| replaceSSTable(cfs, txn, true); |
| LogTransaction.waitForDeletions(); |
| |
| assertFiles(oldSSTable.descriptor.directory.getPath(), new HashSet<>(oldSSTable.getAllFilePaths())); |
| } |
| |
| @Test |
| public void testFlush() throws IOException |
| { |
| Keyspace keyspace = Keyspace.open(KEYSPACE); |
| ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(FLUSH_CF); |
| |
| SSTableReader ssTableReader = getSSTable(cfs, 100); |
| |
| String dataFolder = cfs.getLiveSSTables().iterator().next().descriptor.directory.getPath(); |
| assertFiles(dataFolder, new HashSet<>(ssTableReader.getAllFilePaths())); |
| } |
| |
| private SSTableReader getSSTable(ColumnFamilyStore cfs, int numPartitions) throws IOException |
| { |
| createSSTable(cfs, numPartitions); |
| |
| Set<SSTableReader> sstables = new HashSet<>(cfs.getLiveSSTables()); |
| assertEquals(1, sstables.size()); |
| return sstables.iterator().next(); |
| } |
| |
| private void createSSTable(ColumnFamilyStore cfs, int numPartitions) throws IOException |
| { |
| cfs.truncateBlocking(); |
| |
| String schema = "CREATE TABLE \"%s\".\"%s\" (key ascii, name ascii, val ascii, val1 ascii, PRIMARY KEY (key, name))"; |
| String query = "INSERT INTO \"%s\".\"%s\" (key, name, val) VALUES (?, ?, ?)"; |
| |
| try (CQLSSTableWriter writer = CQLSSTableWriter.builder() |
| .inDirectory(cfs.getDirectories().getDirectoryForNewSSTables()) |
| .forTable(String.format(schema, cfs.keyspace.getName(), cfs.name)) |
| .using(String.format(query, cfs.keyspace.getName(), cfs.name)) |
| .build()) |
| { |
| for (int j = 0; j < numPartitions; j ++) |
| writer.addRow(String.format("key%d", j), "col1", "0"); |
| } |
| |
| cfs.loadNewSSTables(); |
| } |
| |
| private SSTableReader replaceSSTable(ColumnFamilyStore cfs, LifecycleTransaction txn, boolean fail) |
| { |
| List<SSTableReader> newsstables = null; |
| int nowInSec = FBUtilities.nowInSeconds(); |
| try (CompactionController controller = new CompactionController(cfs, txn.originals(), cfs.gcBefore(FBUtilities.nowInSeconds()))) |
| { |
| try (SSTableRewriter rewriter = SSTableRewriter.constructKeepingOriginals(txn, false, 1000); |
| AbstractCompactionStrategy.ScannerList scanners = cfs.getCompactionStrategyManager().getScanners(txn.originals()); |
| CompactionIterator ci = new CompactionIterator(txn.opType(), scanners.scanners, controller, nowInSec, txn.opId()) |
| ) |
| { |
| long lastCheckObsoletion = System.nanoTime(); |
| File directory = txn.originals().iterator().next().descriptor.directory; |
| Descriptor desc = Descriptor.fromFilename(cfs.getSSTablePath(directory)); |
| CFMetaData metadata = Schema.instance.getCFMetaData(desc); |
| rewriter.switchWriter(SSTableWriter.create(metadata, |
| desc, |
| 0, |
| 0, |
| 0, |
| SerializationHeader.make(cfs.metadata, txn.originals()), |
| cfs.indexManager.listIndexes(), |
| txn)); |
| while (ci.hasNext()) |
| { |
| rewriter.append(ci.next()); |
| |
| if (System.nanoTime() - lastCheckObsoletion > TimeUnit.MINUTES.toNanos(1L)) |
| { |
| controller.maybeRefreshOverlaps(); |
| lastCheckObsoletion = System.nanoTime(); |
| } |
| } |
| |
| if (!fail) |
| newsstables = rewriter.finish(); |
| else |
| rewriter.abort(); |
| } |
| } |
| |
| assertTrue(fail || newsstables != null); |
| |
| if (newsstables != null) |
| { |
| Assert.assertEquals(1, newsstables.size()); |
| return newsstables.iterator().next(); |
| } |
| |
| return null; |
| } |
| |
| private void assertFiles(String dirPath, Set<String> expectedFiles) |
| { |
| File dir = new File(dirPath); |
| for (File file : dir.listFiles()) |
| { |
| if (file.isDirectory()) |
| continue; |
| |
| String filePath = file.getPath(); |
| assertTrue(filePath, expectedFiles.contains(filePath)); |
| expectedFiles.remove(filePath); |
| } |
| |
| assertTrue(expectedFiles.isEmpty()); |
| } |
| } |