@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());
}
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));
}