Examples with SSTableReader org.apache.cassandra.io.sstable.format.SSTableReader used on opensource projects

Example 46 with SSTableReader

use of org.apache.cassandra.io.sstable.format.SSTableReader in project cassandra by apache.

the class LogTransactionTest method testGetTemporaryFilesSafeAfterObsoletion.

@Test
public void testGetTemporaryFilesSafeAfterObsoletion() throws Throwable {
    ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
    File dataFolder = new Directories(cfs.metadata()).getDirectoryForNewSSTables();
    SSTableReader sstable = sstable(dataFolder, cfs, 0, 128);
    LogTransaction logs = new LogTransaction(OperationType.COMPACTION);
    assertNotNull(logs);
    LogTransaction.SSTableTidier tidier = logs.obsoleted(sstable);
    logs.finish();
    sstable.markObsolete(tidier);
    sstable.selfRef().release();
    // was completed before deleting files (i.e. releasing sstables)
    for (int i = 0; i < 200; i++) getTemporaryFiles(dataFolder);
}

Example 47 with SSTableReader

use of org.apache.cassandra.io.sstable.format.SSTableReader in project cassandra by apache.

the class LogTransactionTest method testRemoveUnfinishedLeftovers_multipleFolders_errorConditions.

private static void testRemoveUnfinishedLeftovers_multipleFolders_errorConditions(Consumer<LogTransaction> modifier, boolean shouldCommit) throws Throwable {
    ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
    File origiFolder = new Directories(cfs.metadata()).getDirectoryForNewSSTables();
    File dataFolder1 = new File(origiFolder, "1");
    File dataFolder2 = new File(origiFolder, "2");
    Files.createDirectories(dataFolder1.toPath());
    Files.createDirectories(dataFolder2.toPath());
    SSTableReader[] sstables = { sstable(dataFolder1, cfs, 0, 128), sstable(dataFolder1, cfs, 1, 128), sstable(dataFolder2, cfs, 2, 128), sstable(dataFolder2, cfs, 3, 128) };
    LogTransaction log = new LogTransaction(OperationType.COMPACTION);
    assertNotNull(log);
    LogTransaction.SSTableTidier[] tidiers = { log.obsoleted(sstables[0]), log.obsoleted(sstables[2]) };
    log.trackNew(sstables[1]);
    log.trackNew(sstables[3]);
    // fake some error condition on the txn logs
    modifier.accept(log);
    Arrays.stream(sstables).forEach(s -> s.selfRef().release());
    // if shouldCommit is true then it should remove the leftovers and return true, false otherwise
    assertEquals(shouldCommit, LogTransaction.removeUnfinishedLeftovers(Arrays.asList(dataFolder1, dataFolder2)));
    LogTransaction.waitForDeletions();
    if (shouldCommit) {
        // only new sstables should still be there
        assertFiles(dataFolder1.getPath(), new HashSet<>(sstables[1].getAllFilePaths()));
        assertFiles(dataFolder2.getPath(), new HashSet<>(sstables[3].getAllFilePaths()));
    } else {
        // all files should still be there
        assertFiles(dataFolder1.getPath(), Sets.newHashSet(Iterables.concat(sstables[0].getAllFilePaths(), sstables[1].getAllFilePaths(), Collections.singleton(log.logFilePaths().get(0)))));
        assertFiles(dataFolder2.getPath(), Sets.newHashSet(Iterables.concat(sstables[2].getAllFilePaths(), sstables[3].getAllFilePaths(), Collections.singleton(log.logFilePaths().get(1)))));
    }
    // complete the transaction to avoid LEAK errors
    Arrays.stream(tidiers).forEach(LogTransaction.SSTableTidier::run);
    // just anything to make sure transaction tidier will finish
    log.txnFile().commit();
    assertNull(log.complete(null));
}

Example 48 with SSTableReader

use of org.apache.cassandra.io.sstable.format.SSTableReader in project cassandra by apache.

the class LogTransactionTest method testCommitMultipleFolders.

@Test
public void testCommitMultipleFolders() throws Throwable {
    ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
    File origiFolder = new Directories(cfs.metadata()).getDirectoryForNewSSTables();
    File dataFolder1 = new File(origiFolder, "1");
    File dataFolder2 = new File(origiFolder, "2");
    Files.createDirectories(dataFolder1.toPath());
    Files.createDirectories(dataFolder2.toPath());
    SSTableReader[] sstables = { sstable(dataFolder1, cfs, 0, 128), sstable(dataFolder1, cfs, 1, 128), sstable(dataFolder2, cfs, 2, 128), sstable(dataFolder2, cfs, 3, 128) };
    LogTransaction log = new LogTransaction(OperationType.COMPACTION);
    assertNotNull(log);
    LogTransaction.SSTableTidier[] tidiers = { log.obsoleted(sstables[0]), log.obsoleted(sstables[2]) };
    log.trackNew(sstables[1]);
    log.trackNew(sstables[3]);
    log.finish();
    sstables[0].markObsolete(tidiers[0]);
    sstables[2].markObsolete(tidiers[1]);
    Arrays.stream(sstables).forEach(s -> s.selfRef().release());
    LogTransaction.waitForDeletions();
    assertFiles(dataFolder1.getPath(), new HashSet<>(sstables[1].getAllFilePaths()));
    assertFiles(dataFolder2.getPath(), new HashSet<>(sstables[3].getAllFilePaths()));
}

Example 49 with SSTableReader

use of org.apache.cassandra.io.sstable.format.SSTableReader in project cassandra by apache.

the class LogTransactionTest method testRemoveUnfinishedLeftovers_abort.

@Test
public void testRemoveUnfinishedLeftovers_abort() throws Throwable {
    ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
    File dataFolder = new Directories(cfs.metadata()).getDirectoryForNewSSTables();
    SSTableReader sstableOld = sstable(dataFolder, cfs, 0, 128);
    SSTableReader sstableNew = sstable(dataFolder, cfs, 1, 128);
    // simulate tracking sstables with a failed transaction (new log file NOT deleted)
    LogTransaction log = new LogTransaction(OperationType.COMPACTION);
    assertNotNull(log);
    log.trackNew(sstableNew);
    LogTransaction.SSTableTidier tidier = log.obsoleted(sstableOld);
    Set<File> tmpFiles = sstableNew.getAllFilePaths().stream().map(File::new).collect(Collectors.toSet());
    sstableNew.selfRef().release();
    sstableOld.selfRef().release();
    Assert.assertEquals(tmpFiles, getTemporaryFiles(sstableNew.descriptor.directory));
    // normally called at startup
    LogTransaction.removeUnfinishedLeftovers(cfs.metadata());
    // sstableOld should be only table left
    Directories directories = new Directories(cfs.metadata());
    Map<Descriptor, Set<Component>> sstables = directories.sstableLister(Directories.OnTxnErr.THROW).list();
    assertEquals(1, sstables.size());
    assertFiles(dataFolder.getPath(), new HashSet<>(sstableOld.getAllFilePaths()));
    // complete the transaction before releasing files
    tidier.run();
    log.close();
}

Example 50 with SSTableReader

use of org.apache.cassandra.io.sstable.format.SSTableReader in project cassandra by apache.

the class LogTransactionTest method testCommitOnlyOld.

@Test
public void testCommitOnlyOld() throws Throwable {
    ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
    File dataFolder = new Directories(cfs.metadata()).getDirectoryForNewSSTables();
    SSTableReader sstable = sstable(dataFolder, cfs, 0, 128);
    LogTransaction log = new LogTransaction(OperationType.COMPACTION);
    assertNotNull(log);
    LogTransaction.SSTableTidier tidier = log.obsoleted(sstable);
    assertNotNull(tidier);
    log.finish();
    sstable.markObsolete(tidier);
    sstable.selfRef().release();
    assertFiles(dataFolder.getPath(), new HashSet<>());
}