/*
* This excercise in particular the code of #4142
*/
@Test
public void testValidationMultipleSSTablePerLevel() throws Exception {
String ksname = "Keyspace1";
String cfname = "StandardLeveled";
Table table = Table.open(ksname);
ColumnFamilyStore store = table.getColumnFamilyStore(cfname);
ByteBuffer value =
ByteBuffer.wrap(new byte[100 * 1024]); // 100 KB value, make it easy to have multiple files
// Enough data to have a level 1 and 2
int rows = 20;
int columns = 10;
// Adds enough data to trigger multiple sstable per level
for (int r = 0; r < rows; r++) {
DecoratedKey key = Util.dk(String.valueOf(r));
RowMutation rm = new RowMutation(ksname, key.key);
for (int c = 0; c < columns; c++) {
rm.add(new QueryPath(cfname, null, ByteBufferUtil.bytes("column" + c)), value, 0);
}
rm.apply();
store.forceFlush();
}
LeveledCompactionStrategy strat = (LeveledCompactionStrategy) store.getCompactionStrategy();
while (strat.getLevelSize(0) > 0) {
store.forceMajorCompaction();
Thread.sleep(200);
}
// Checking we're not completely bad at math
assert strat.getLevelSize(1) > 0;
assert strat.getLevelSize(2) > 0;
AntiEntropyService.CFPair p = new AntiEntropyService.CFPair(ksname, cfname);
Range<Token> range = new Range<Token>(Util.token(""), Util.token(""));
AntiEntropyService.TreeRequest req =
new AntiEntropyService.TreeRequest("1", FBUtilities.getLocalAddress(), range, p);
AntiEntropyService.Validator validator = new AntiEntropyService.Validator(req);
CompactionManager.instance.submitValidation(store, validator).get();
}
/**
* Retrieves a local subBlock
*
* @param blockId row key
* @param sblockId SubBlock column name
* @param offset inside the sblock
* @return a local sublock
* @throws TException
*/
private LocalBlock getLocalSubBlock(
String subBlockCFName, ByteBuffer blockId, ByteBuffer sblockId, int offset)
throws TException {
DecoratedKey<Token<?>> decoratedKey =
new DecoratedKey<Token<?>>(StorageService.getPartitioner().getToken(blockId), blockId);
Table table = Table.open(cfsKeyspace);
ColumnFamilyStore sblockStore = table.getColumnFamilyStore(subBlockCFName);
Collection<SSTableReader> sstables = sblockStore.getSSTables();
for (SSTableReader sstable : sstables) {
long position = sstable.getPosition(decoratedKey, Operator.EQ);
if (position == -1) continue;
String filename = sstable.descriptor.filenameFor(Component.DATA);
RandomAccessFile raf = null;
int mappedLength = -1;
MappedByteBuffer mappedData = null;
MappedFileDataInput file = null;
try {
raf = new RandomAccessFile(filename, "r");
assert position < raf.length();
mappedLength =
(raf.length() - position) < Integer.MAX_VALUE
? (int) (raf.length() - position)
: Integer.MAX_VALUE;
mappedData = raf.getChannel().map(FileChannel.MapMode.READ_ONLY, position, mappedLength);
file = new MappedFileDataInput(mappedData, filename, 0);
if (file == null) continue;
// Verify key was found in data file
DecoratedKey keyInDisk =
SSTableReader.decodeKey(
sstable.partitioner, sstable.descriptor, ByteBufferUtil.readWithShortLength(file));
assert keyInDisk.equals(decoratedKey)
: String.format("%s != %s in %s", keyInDisk, decoratedKey, file.getPath());
long rowSize = SSTableReader.readRowSize(file, sstable.descriptor);
assert rowSize > 0;
assert rowSize < mappedLength;
Filter bf = IndexHelper.defreezeBloomFilter(file, sstable.descriptor.usesOldBloomFilter);
// verify this column in in this version of the row.
if (!bf.isPresent(sblockId)) continue;
List<IndexHelper.IndexInfo> indexList = IndexHelper.deserializeIndex(file);
// we can stop early if bloom filter says none of the
// columns actually exist -- but,
// we can't stop before initializing the cf above, in
// case there's a relevant tombstone
ColumnFamilySerializer serializer = ColumnFamily.serializer();
try {
ColumnFamily cf =
serializer.deserializeFromSSTableNoColumns(
ColumnFamily.create(sstable.metadata), file);
if (cf.isMarkedForDelete()) continue;
} catch (Exception e) {
e.printStackTrace();
throw new IOException(
serializer
+ " failed to deserialize "
+ sstable.getColumnFamilyName()
+ " with "
+ sstable.metadata
+ " from "
+ file,
e);
}
Integer sblockLength = null;
if (indexList == null) sblockLength = seekToSubColumn(sstable.metadata, file, sblockId);
else sblockLength = seekToSubColumn(sstable.metadata, file, sblockId, indexList);
if (sblockLength == null || sblockLength < 0) continue;
int bytesReadFromStart = mappedLength - (int) file.bytesRemaining();
if (logger.isDebugEnabled())
logger.debug("BlockLength = " + sblockLength + " Availible " + file.bytesRemaining());
assert offset <= sblockLength : String.format("%d > %d", offset, sblockLength);
long dataOffset = position + bytesReadFromStart;
if (file.bytesRemaining() == 0 || sblockLength == 0) continue;
return new LocalBlock(file.getPath(), dataOffset + offset, sblockLength - offset);
} catch (IOException e) {
throw new TException(e);
} finally {
FileUtils.closeQuietly(raf);
}
}
return null;
}
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);
}
}
public static ColumnFamily getColumnFamily(Table table, DecoratedKey key, String cfName)
throws IOException {
ColumnFamilyStore cfStore = table.getColumnFamilyStore(cfName);
assert cfStore != null : "Column family " + cfName + " has not been defined";
return cfStore.getColumnFamily(QueryFilter.getIdentityFilter(key, new QueryPath(cfName)));
}