@Test
public void testUnparsableFirstRecord() throws IOException {
testCorruptRecord(
(t, s) ->
t.logFiles()
.forEach(
f -> {
List<String> lines = FileUtils.readLines(f);
lines.add(0, "add:[a,b,c][12345678]");
FileUtils.replace(f, lines.toArray(new String[lines.size()]));
}),
false);
}
@Test
public void testRemoveUnfinishedLeftovers_multipleFolders_missingFinalRecords_second()
throws Throwable {
testRemoveUnfinishedLeftovers_multipleFolders_errorConditions(
txn -> {
List<File> logFiles = txn.logFiles();
Assert.assertEquals(2, logFiles.size());
// insert only one commit record
FileUtils.append(logFiles.get(1), LogRecord.makeCommit(System.currentTimeMillis()).raw);
},
true);
}
@Test
public void testRemoveUnfinishedLeftovers_multipleFolders_tooManyFinalRecords() throws Throwable {
testRemoveUnfinishedLeftovers_multipleFolders_errorConditions(
txn -> {
List<File> logFiles = txn.logFiles();
Assert.assertEquals(2, logFiles.size());
// insert mismatched records
FileUtils.append(logFiles.get(0), LogRecord.makeCommit(System.currentTimeMillis()).raw);
FileUtils.append(logFiles.get(1), LogRecord.makeCommit(System.currentTimeMillis()).raw);
FileUtils.append(logFiles.get(1), LogRecord.makeCommit(System.currentTimeMillis()).raw);
},
false);
}
@Test
public void testRemoveUnfinishedLeftovers_multipleFolders_partialFinalRecords_second()
throws Throwable {
testRemoveUnfinishedLeftovers_multipleFolders_errorConditions(
txn -> {
List<File> logFiles = txn.logFiles();
Assert.assertEquals(2, logFiles.size());
// insert a full record and a partial one
String finalRecord = LogRecord.makeCommit(System.currentTimeMillis()).raw;
int toChop = finalRecord.length() / 2;
FileUtils.append(logFiles.get(0), finalRecord);
FileUtils.append(
logFiles.get(1), finalRecord.substring(0, finalRecord.length() - toChop));
},
true);
}
@Test
public void testRemoveUnfinishedLeftovers_multipleFolders_partialNonFinalRecord_second()
throws Throwable {
testRemoveUnfinishedLeftovers_multipleFolders_errorConditions(
txn -> {
List<File> logFiles = txn.logFiles();
Assert.assertEquals(2, logFiles.size());
// insert a partial sstable record and a full commit record
String sstableRecord =
LogRecord.make(LogRecord.Type.ADD, Collections.emptyList(), 0, "abc").raw;
int toChop = sstableRecord.length() / 2;
FileUtils.append(logFiles.get(0), sstableRecord);
FileUtils.append(
logFiles.get(1), sstableRecord.substring(0, sstableRecord.length() - toChop));
String finalRecord = LogRecord.makeCommit(System.currentTimeMillis()).raw;
FileUtils.append(logFiles.get(0), finalRecord);
FileUtils.append(logFiles.get(1), finalRecord);
},
false);
}
public static void main(String args[]) throws IOException {
Options options = Options.parseArgs(args);
try {
// load keyspace descriptions.
DatabaseDescriptor.loadSchemas();
String ksName = null;
String cfName = null;
Map<Descriptor, Set<Component>> parsedFilenames = new HashMap<Descriptor, Set<Component>>();
for (String filename : options.filenames) {
File file = new File(filename);
if (!file.exists()) {
System.out.println("Skipping inexisting file " + file);
continue;
}
Pair<Descriptor, Component> pair =
SSTable.tryComponentFromFilename(file.getParentFile(), file.getName());
if (pair == null) {
System.out.println("Skipping non sstable file " + file);
continue;
}
Descriptor desc = pair.left;
if (ksName == null) ksName = desc.ksname;
else if (!ksName.equals(desc.ksname))
throw new IllegalArgumentException("All sstables must be part of the same keyspace");
if (cfName == null) cfName = desc.cfname;
else if (!cfName.equals(desc.cfname))
throw new IllegalArgumentException("All sstables must be part of the same column family");
Set<Component> components =
new HashSet<Component>(
Arrays.asList(
new Component[] {
Component.DATA,
Component.PRIMARY_INDEX,
Component.FILTER,
Component.COMPRESSION_INFO,
Component.STATS
}));
Iterator<Component> iter = components.iterator();
while (iter.hasNext()) {
Component component = iter.next();
if (!(new File(desc.filenameFor(component)).exists())) iter.remove();
}
parsedFilenames.put(desc, components);
}
if (ksName == null || cfName == null) {
System.err.println("No valid sstables to split");
System.exit(1);
}
// Do not load sstables since they might be broken
Table table = Table.openWithoutSSTables(ksName);
ColumnFamilyStore cfs = table.getColumnFamilyStore(cfName);
String snapshotName = "pre-split-" + System.currentTimeMillis();
List<SSTableReader> sstables = new ArrayList<SSTableReader>();
for (Map.Entry<Descriptor, Set<Component>> fn : parsedFilenames.entrySet()) {
try {
SSTableReader sstable =
SSTableReader.openNoValidation(fn.getKey(), fn.getValue(), cfs.metadata);
sstables.add(sstable);
if (options.snapshot) {
File snapshotDirectory =
Directories.getSnapshotDirectory(sstable.descriptor, snapshotName);
sstable.createLinks(snapshotDirectory.getPath());
}
} catch (Exception e) {
System.err.println(String.format("Error Loading %s: %s", fn.getKey(), e.getMessage()));
if (options.debug) e.printStackTrace(System.err);
}
}
if (options.snapshot)
System.out.println(
String.format("Pre-split sstables snapshotted into snapshot %s", snapshotName));
cfs.getDataTracker().markCompacting(sstables);
for (SSTableReader sstable : sstables) {
try {
new SSTableSplitter(cfs, sstable, options.sizeInMB).split();
// Remove the sstable
sstable.markCompacted();
sstable.releaseReference();
} catch (Exception e) {
System.err.println(String.format("Error splitting %s: %s", sstable, e.getMessage()));
if (options.debug) e.printStackTrace(System.err);
}
}
SSTableDeletingTask.waitForDeletions();
System.exit(0); // We need that to stop non daemonized threads
} catch (Exception e) {
System.err.println(e.getMessage());
if (options.debug) e.printStackTrace(System.err);
System.exit(1);
}
}
@Test
public void testGetTemporaryFiles() throws IOException {
ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
File dataFolder = new Directories(cfs.metadata).getDirectoryForNewSSTables();
SSTableReader sstable1 = sstable(dataFolder, cfs, 0, 128);
Set<File> tmpFiles = getTemporaryFiles(dataFolder);
assertNotNull(tmpFiles);
assertEquals(0, tmpFiles.size());
try (LogTransaction log = new LogTransaction(OperationType.WRITE)) {
Directories directories = new Directories(cfs.metadata);
File[] beforeSecondSSTable = dataFolder.listFiles(pathname -> !pathname.isDirectory());
SSTableReader sstable2 = sstable(dataFolder, cfs, 1, 128);
log.trackNew(sstable2);
Map<Descriptor, Set<Component>> sstables =
directories.sstableLister(Directories.OnTxnErr.THROW).list();
assertEquals(2, sstables.size());
// this should contain sstable1, sstable2 and the transaction log file
File[] afterSecondSSTable = dataFolder.listFiles(pathname -> !pathname.isDirectory());
int numNewFiles = afterSecondSSTable.length - beforeSecondSSTable.length;
assertEquals(
numNewFiles - 1,
sstable2.getAllFilePaths().size()); // new files except for transaction log file
tmpFiles = getTemporaryFiles(dataFolder);
assertNotNull(tmpFiles);
assertEquals(numNewFiles - 1, tmpFiles.size());
File ssTable2DataFile = new File(sstable2.descriptor.filenameFor(Component.DATA));
File ssTable2IndexFile = new File(sstable2.descriptor.filenameFor(Component.PRIMARY_INDEX));
assertTrue(tmpFiles.contains(ssTable2DataFile));
assertTrue(tmpFiles.contains(ssTable2IndexFile));
List<File> files = directories.sstableLister(Directories.OnTxnErr.THROW).listFiles();
List<File> filesNoTmp =
directories.sstableLister(Directories.OnTxnErr.THROW).skipTemporary(true).listFiles();
assertNotNull(files);
assertNotNull(filesNoTmp);
assertTrue(files.contains(ssTable2DataFile));
assertTrue(files.contains(ssTable2IndexFile));
assertFalse(filesNoTmp.contains(ssTable2DataFile));
assertFalse(filesNoTmp.contains(ssTable2IndexFile));
log.finish();
// Now it should be empty since the transaction has finished
tmpFiles = getTemporaryFiles(dataFolder);
assertNotNull(tmpFiles);
assertEquals(0, tmpFiles.size());
filesNoTmp =
directories.sstableLister(Directories.OnTxnErr.THROW).skipTemporary(true).listFiles();
assertNotNull(filesNoTmp);
assertTrue(filesNoTmp.contains(ssTable2DataFile));
assertTrue(filesNoTmp.contains(ssTable2IndexFile));
sstable1.selfRef().release();
sstable2.selfRef().release();
}
}
