public static Options parseArgs(String cmdArgs[]) {
CommandLineParser parser = new GnuParser();
CmdLineOptions options = getCmdLineOptions();
try {
CommandLine cmd = parser.parse(options, cmdArgs, false);
if (cmd.hasOption(HELP_OPTION)) {
printUsage(options);
System.exit(0);
}
String[] args = cmd.getArgs();
if (args.length == 0) {
System.err.println("No sstables to split");
printUsage(options);
System.exit(1);
}
Options opts = new Options(Arrays.asList(args));
opts.debug = cmd.hasOption(DEBUG_OPTION);
opts.verbose = cmd.hasOption(VERBOSE_OPTION);
opts.snapshot = !cmd.hasOption(NO_SNAPSHOT_OPTION);
opts.sizeInMB = DEFAULT_SSTABLE_SIZE;
if (cmd.hasOption(SIZE_OPTION))
opts.sizeInMB = Integer.valueOf(cmd.getOptionValue(SIZE_OPTION));
return opts;
} catch (ParseException e) {
errorMsg(e.getMessage(), options);
return null;
}
}
@Test
public void testRemoveUnfinishedLeftovers_abort_multipleFolders() 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]);
Collection<File> logFiles = log.logFiles();
Assert.assertEquals(2, logFiles.size());
// fake an abort
log.txnFile().abort();
Arrays.stream(sstables).forEach(s -> s.selfRef().release());
// test listing
Assert.assertEquals(
sstables[1].getAllFilePaths().stream().map(File::new).collect(Collectors.toSet()),
getTemporaryFiles(dataFolder1));
Assert.assertEquals(
sstables[3].getAllFilePaths().stream().map(File::new).collect(Collectors.toSet()),
getTemporaryFiles(dataFolder2));
// normally called at startup
LogTransaction.removeUnfinishedLeftovers(Arrays.asList(dataFolder1, dataFolder2));
// old tables should be only table left
assertFiles(dataFolder1.getPath(), new HashSet<>(sstables[0].getAllFilePaths()));
assertFiles(dataFolder2.getPath(), new HashSet<>(sstables[2].getAllFilePaths()));
// complete the transaction to avoid LEAK errors
Arrays.stream(tidiers).forEach(LogTransaction.SSTableTidier::run);
assertNull(log.complete(null));
}
static Set<File> listFiles(File folder, Directories.FileType... types) {
Collection<Directories.FileType> match = Arrays.asList(types);
return new LogAwareFileLister(
folder.toPath(), (file, type) -> match.contains(type), Directories.OnTxnErr.IGNORE)
.list()
.stream()
.map(
f -> {
try {
return f.getCanonicalFile();
} catch (IOException e) {
throw new IOError(e);
}
})
.collect(Collectors.toSet());
}
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);
}
}
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());
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);
log.txnFile().commit(); // just anything to make sure transaction tidier will finish
assertNull(log.complete(null));
}