@Test
public void testCommitSameDesc() throws Throwable {
ColumnFamilyStore cfs = MockSchema.newCFS(KEYSPACE);
File dataFolder = new Directories(cfs.metadata).getDirectoryForNewSSTables();
SSTableReader sstableOld1 = sstable(dataFolder, cfs, 0, 128);
SSTableReader sstableOld2 = sstable(dataFolder, cfs, 0, 256);
SSTableReader sstableNew = sstable(dataFolder, cfs, 1, 128);
LogTransaction log = new LogTransaction(OperationType.COMPACTION);
assertNotNull(log);
log.trackNew(sstableNew);
sstableOld1.setReplaced();
LogTransaction.SSTableTidier tidier = log.obsoleted(sstableOld2);
assertNotNull(tidier);
log.finish();
sstableOld2.markObsolete(tidier);
sstableOld1.selfRef().release();
sstableOld2.selfRef().release();
assertFiles(dataFolder.getPath(), new HashSet<>(sstableNew.getAllFilePaths()));
sstableNew.selfRef().release();
}
@Test
public void testGetTemporaryFilesThrowsIfCompletingAfterObsoletion() 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);
sstable.markObsolete(tidier);
sstable.selfRef().release();
LogTransaction.waitForDeletions();
try {
// This should race with the asynchronous deletion of txn log files
// it should throw because we are violating the requirement that a transaction must
// finish before deleting files (i.e. releasing sstables)
getTemporaryFiles(dataFolder);
fail("Expected runtime exception");
} catch (RuntimeException e) {
// pass as long as the cause is not an assertion
assertFalse(e.getCause() instanceof AssertionError);
}
logs.finish();
}
protected Throwable doCommit(Throwable accumulate) {
sstableOld.markObsolete(tidier);
sstableOld.selfRef().release();
LogTransaction.waitForDeletions();
Throwable ret = txnLogs.commit(accumulate);
sstableNew.selfRef().release();
return ret;
}
@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<>());
}
@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();
// This should race with the asynchronous deletion of txn log files
// It doesn't matter what it returns but it should not throw because the txn
// was completed before deleting files (i.e. releasing sstables)
for (int i = 0; i < 200; i++) getTemporaryFiles(dataFolder);
}