use of org.apache.lucene.index.IndexFormatTooNewException in project crate by crate.
the class BlobRecoverySourceHandler method phase1.
/**
* Perform phase1 of the recovery operations. Once this {@link SnapshotIndexCommit}
* snapshot has been performed no commit operations (files being fsync'd)
* are effectively allowed on this index until all recovery phases are done
* <p/>
* Phase1 examines the segment files on the target node and copies over the
* segments that are missing. Only segments that have the same size and
* checksum can be reused
*/
public void phase1(final SnapshotIndexCommit snapshot, final Translog.View translogView) {
cancellableThreads.checkForCancel();
// Total size of segment files that are recovered
long totalSize = 0;
// Total size of segment files that were able to be re-used
long existingTotalSize = 0;
final Store store = shard.store();
store.incRef();
try {
// CRATE CHANGE
if (blobRecoveryHandler != null) {
blobRecoveryHandler.phase1();
}
StopWatch stopWatch = new StopWatch().start();
final Store.MetadataSnapshot recoverySourceMetadata;
try {
recoverySourceMetadata = store.getMetadata(snapshot);
} catch (CorruptIndexException | IndexFormatTooOldException | IndexFormatTooNewException ex) {
shard.engine().failEngine("recovery", ex);
throw ex;
}
for (String name : snapshot.getFiles()) {
final StoreFileMetaData md = recoverySourceMetadata.get(name);
if (md == null) {
logger.info("Snapshot differs from actual index for file: {} meta: {}", name, recoverySourceMetadata.asMap());
throw new CorruptIndexException("Snapshot differs from actual index - maybe index was removed metadata has " + recoverySourceMetadata.asMap().size() + " files", name);
}
}
// Generate a "diff" of all the identical, different, and missing
// segment files on the target node, using the existing files on
// the source node
String recoverySourceSyncId = recoverySourceMetadata.getSyncId();
String recoveryTargetSyncId = request.metadataSnapshot().getSyncId();
final boolean recoverWithSyncId = recoverySourceSyncId != null && recoverySourceSyncId.equals(recoveryTargetSyncId);
if (recoverWithSyncId) {
final long numDocsTarget = request.metadataSnapshot().getNumDocs();
final long numDocsSource = recoverySourceMetadata.getNumDocs();
if (numDocsTarget != numDocsSource) {
throw new IllegalStateException("try to recover " + request.shardId() + " from primary shard with sync id but number of docs differ: " + numDocsTarget + " (" + request.sourceNode().getName() + ", primary) vs " + numDocsSource + "(" + request.targetNode().getName() + ")");
}
// we shortcut recovery here because we have nothing to copy. but we must still start the engine on the target.
// so we don't return here
logger.trace("[{}][{}] skipping [phase1] to {} - identical sync id [{}] found on both source and target", indexName, shardId, request.targetNode(), recoverySourceSyncId);
} else {
final Store.RecoveryDiff diff = recoverySourceMetadata.recoveryDiff(request.metadataSnapshot());
for (StoreFileMetaData md : diff.identical) {
response.phase1ExistingFileNames.add(md.name());
response.phase1ExistingFileSizes.add(md.length());
existingTotalSize += md.length();
if (logger.isTraceEnabled()) {
logger.trace("[{}][{}] recovery [phase1] to {}: not recovering [{}], exists in local store and has checksum [{}], size [{}]", indexName, shardId, request.targetNode(), md.name(), md.checksum(), md.length());
}
totalSize += md.length();
}
for (StoreFileMetaData md : Iterables.concat(diff.different, diff.missing)) {
if (request.metadataSnapshot().asMap().containsKey(md.name())) {
logger.trace("[{}][{}] recovery [phase1] to {}: recovering [{}], exists in local store, but is different: remote [{}], local [{}]", indexName, shardId, request.targetNode(), md.name(), request.metadataSnapshot().asMap().get(md.name()), md);
} else {
logger.trace("[{}][{}] recovery [phase1] to {}: recovering [{}], does not exists in remote", indexName, shardId, request.targetNode(), md.name());
}
response.phase1FileNames.add(md.name());
response.phase1FileSizes.add(md.length());
totalSize += md.length();
}
response.phase1TotalSize = totalSize;
response.phase1ExistingTotalSize = existingTotalSize;
logger.trace("[{}][{}] recovery [phase1] to {}: recovering_files [{}] with total_size [{}], reusing_files [{}] with total_size [{}]", indexName, shardId, request.targetNode(), response.phase1FileNames.size(), new ByteSizeValue(totalSize), response.phase1ExistingFileNames.size(), new ByteSizeValue(existingTotalSize));
cancellableThreads.execute(new Interruptable() {
@Override
public void run() throws InterruptedException {
RecoveryFilesInfoRequest recoveryInfoFilesRequest = new RecoveryFilesInfoRequest(request.recoveryId(), request.shardId(), response.phase1FileNames, response.phase1FileSizes, response.phase1ExistingFileNames, response.phase1ExistingFileSizes, translogView.totalOperations());
transportService.submitRequest(request.targetNode(), RecoveryTarget.Actions.FILES_INFO, recoveryInfoFilesRequest, TransportRequestOptions.builder().withTimeout(recoverySettings.internalActionTimeout()).build(), EmptyTransportResponseHandler.INSTANCE_SAME).txGet();
}
});
// This latch will be used to wait until all files have been transferred to the target node
final CountDownLatch latch = new CountDownLatch(response.phase1FileNames.size());
final CopyOnWriteArrayList<Throwable> exceptions = new CopyOnWriteArrayList<>();
final AtomicReference<Throwable> corruptedEngine = new AtomicReference<>();
int fileIndex = 0;
ThreadPoolExecutor pool;
// How many bytes we've copied since we last called RateLimiter.pause
final AtomicLong bytesSinceLastPause = new AtomicLong();
for (final String name : response.phase1FileNames) {
long fileSize = response.phase1FileSizes.get(fileIndex);
// separately.
if (fileSize > RecoverySettings.SMALL_FILE_CUTOFF_BYTES) {
pool = recoverySettings.concurrentStreamPool();
} else {
pool = recoverySettings.concurrentSmallFileStreamPool();
}
pool.execute(new AbstractRunnable() {
@Override
public void onFailure(Throwable t) {
// we either got rejected or the store can't be incremented / we are canceled
logger.debug("Failed to transfer file [" + name + "] on recovery");
}
@Override
public void onAfter() {
// Signify this file has completed by decrementing the latch
latch.countDown();
}
@Override
protected void doRun() {
cancellableThreads.checkForCancel();
store.incRef();
final StoreFileMetaData md = recoverySourceMetadata.get(name);
try (final IndexInput indexInput = store.directory().openInput(name, IOContext.READONCE)) {
// at least one!
final int BUFFER_SIZE = (int) Math.max(1, recoverySettings.fileChunkSize().getBytes());
final byte[] buf = new byte[BUFFER_SIZE];
boolean shouldCompressRequest = recoverySettings.compress();
if (CompressorFactory.isCompressed(indexInput)) {
shouldCompressRequest = false;
}
final long len = indexInput.length();
long readCount = 0;
final TransportRequestOptions requestOptions = TransportRequestOptions.builder().withCompress(shouldCompressRequest).withType(TransportRequestOptions.Type.RECOVERY).withTimeout(recoverySettings.internalActionTimeout()).build();
while (readCount < len) {
if (shard.state() == IndexShardState.CLOSED) {
// check if the shard got closed on us
throw new IndexShardClosedException(shard.shardId());
}
int toRead = readCount + BUFFER_SIZE > len ? (int) (len - readCount) : BUFFER_SIZE;
final long position = indexInput.getFilePointer();
// Pause using the rate limiter, if desired, to throttle the recovery
RateLimiter rl = recoverySettings.rateLimiter();
long throttleTimeInNanos = 0;
if (rl != null) {
long bytes = bytesSinceLastPause.addAndGet(toRead);
if (bytes > rl.getMinPauseCheckBytes()) {
// Time to pause
bytesSinceLastPause.addAndGet(-bytes);
throttleTimeInNanos = rl.pause(bytes);
shard.recoveryStats().addThrottleTime(throttleTimeInNanos);
}
}
indexInput.readBytes(buf, 0, toRead, false);
final BytesArray content = new BytesArray(buf, 0, toRead);
readCount += toRead;
final boolean lastChunk = readCount == len;
final RecoveryFileChunkRequest fileChunkRequest = new RecoveryFileChunkRequest(request.recoveryId(), request.shardId(), md, position, content, lastChunk, translogView.totalOperations(), throttleTimeInNanos);
cancellableThreads.execute(new Interruptable() {
@Override
public void run() throws InterruptedException {
// Actually send the file chunk to the target node, waiting for it to complete
transportService.submitRequest(request.targetNode(), RecoveryTarget.Actions.FILE_CHUNK, fileChunkRequest, requestOptions, EmptyTransportResponseHandler.INSTANCE_SAME).txGet();
}
});
}
} catch (Throwable e) {
final Throwable corruptIndexException;
if ((corruptIndexException = ExceptionsHelper.unwrapCorruption(e)) != null) {
if (store.checkIntegrityNoException(md) == false) {
// we are corrupted on the primary -- fail!
logger.warn("{} Corrupted file detected {} checksum mismatch", shard.shardId(), md);
if (corruptedEngine.compareAndSet(null, corruptIndexException) == false) {
// if we are not the first exception, add ourselves as suppressed to the main one:
corruptedEngine.get().addSuppressed(e);
}
} else {
// corruption has happened on the way to replica
RemoteTransportException exception = new RemoteTransportException("File corruption occurred on recovery but checksums are ok", null);
exception.addSuppressed(e);
// last exception first
exceptions.add(0, exception);
logger.warn("{} Remote file corruption on node {}, recovering {}. local checksum OK", corruptIndexException, shard.shardId(), request.targetNode(), md);
}
} else {
// last exceptions first
exceptions.add(0, e);
}
} finally {
store.decRef();
}
}
});
fileIndex++;
}
cancellableThreads.execute(new Interruptable() {
@Override
public void run() throws InterruptedException {
// Wait for all files that need to be transferred to finish transferring
latch.await();
}
});
if (corruptedEngine.get() != null) {
shard.engine().failEngine("recovery", corruptedEngine.get());
throw corruptedEngine.get();
} else {
ExceptionsHelper.rethrowAndSuppress(exceptions);
}
cancellableThreads.execute(new Interruptable() {
@Override
public void run() throws InterruptedException {
// are deleted
try {
transportService.submitRequest(request.targetNode(), RecoveryTarget.Actions.CLEAN_FILES, new RecoveryCleanFilesRequest(request.recoveryId(), shard.shardId(), recoverySourceMetadata, translogView.totalOperations()), TransportRequestOptions.builder().withTimeout(recoverySettings.internalActionTimeout()).build(), EmptyTransportResponseHandler.INSTANCE_SAME).txGet();
} catch (RemoteTransportException remoteException) {
final IOException corruptIndexException;
// - maybe due to old segments without checksums or length only checks
if ((corruptIndexException = ExceptionsHelper.unwrapCorruption(remoteException)) != null) {
try {
final Store.MetadataSnapshot recoverySourceMetadata = store.getMetadata(snapshot);
StoreFileMetaData[] metadata = Iterables.toArray(recoverySourceMetadata, StoreFileMetaData.class);
ArrayUtil.timSort(metadata, new Comparator<StoreFileMetaData>() {
@Override
public int compare(StoreFileMetaData o1, StoreFileMetaData o2) {
// check small files first
return Long.compare(o1.length(), o2.length());
}
});
for (StoreFileMetaData md : metadata) {
logger.debug("{} checking integrity for file {} after remove corruption exception", shard.shardId(), md);
if (store.checkIntegrityNoException(md) == false) {
// we are corrupted on the primary -- fail!
shard.engine().failEngine("recovery", corruptIndexException);
logger.warn("{} Corrupted file detected {} checksum mismatch", shard.shardId(), md);
throw corruptIndexException;
}
}
} catch (IOException ex) {
remoteException.addSuppressed(ex);
throw remoteException;
}
// corruption has happened on the way to replica
RemoteTransportException exception = new RemoteTransportException("File corruption occurred on recovery but checksums are ok", null);
exception.addSuppressed(remoteException);
logger.warn("{} Remote file corruption during finalization on node {}, recovering {}. local checksum OK", corruptIndexException, shard.shardId(), request.targetNode());
throw exception;
} else {
throw remoteException;
}
}
}
});
}
prepareTargetForTranslog(translogView);
logger.trace("[{}][{}] recovery [phase1] to {}: took [{}]", indexName, shardId, request.targetNode(), stopWatch.totalTime());
response.phase1Time = stopWatch.totalTime().millis();
} catch (Throwable e) {
throw new RecoverFilesRecoveryException(request.shardId(), response.phase1FileNames.size(), new ByteSizeValue(totalSize), e);
} finally {
store.decRef();
}
}
use of org.apache.lucene.index.IndexFormatTooNewException in project elasticsearch by elastic.
the class StoreTests method testVerifyingIndexInput.
public void testVerifyingIndexInput() throws IOException {
Directory dir = newDirectory();
IndexOutput output = dir.createOutput("foo.bar", IOContext.DEFAULT);
int iters = scaledRandomIntBetween(10, 100);
for (int i = 0; i < iters; i++) {
BytesRef bytesRef = new BytesRef(TestUtil.randomRealisticUnicodeString(random(), 10, 1024));
output.writeBytes(bytesRef.bytes, bytesRef.offset, bytesRef.length);
}
CodecUtil.writeFooter(output);
output.close();
// Check file
IndexInput indexInput = dir.openInput("foo.bar", IOContext.DEFAULT);
long checksum = CodecUtil.retrieveChecksum(indexInput);
indexInput.seek(0);
IndexInput verifyingIndexInput = new Store.VerifyingIndexInput(dir.openInput("foo.bar", IOContext.DEFAULT));
readIndexInputFullyWithRandomSeeks(verifyingIndexInput);
Store.verify(verifyingIndexInput);
assertThat(checksum, equalTo(((ChecksumIndexInput) verifyingIndexInput).getChecksum()));
IOUtils.close(indexInput, verifyingIndexInput);
// Corrupt file and check again
corruptFile(dir, "foo.bar", "foo1.bar");
verifyingIndexInput = new Store.VerifyingIndexInput(dir.openInput("foo1.bar", IOContext.DEFAULT));
readIndexInputFullyWithRandomSeeks(verifyingIndexInput);
try {
Store.verify(verifyingIndexInput);
fail("should be a corrupted index");
} catch (CorruptIndexException | IndexFormatTooOldException | IndexFormatTooNewException ex) {
// ok
}
IOUtils.close(verifyingIndexInput);
IOUtils.close(dir);
}
use of org.apache.lucene.index.IndexFormatTooNewException in project elasticsearch by elastic.
the class StoreTests method testCanReadOldCorruptionMarker.
public void testCanReadOldCorruptionMarker() throws IOException {
final ShardId shardId = new ShardId("index", "_na_", 1);
// I use ram dir to prevent that virusscanner being a PITA
final Directory dir = new RAMDirectory();
DirectoryService directoryService = new DirectoryService(shardId, INDEX_SETTINGS) {
@Override
public Directory newDirectory() throws IOException {
return dir;
}
};
Store store = new Store(shardId, INDEX_SETTINGS, directoryService, new DummyShardLock(shardId));
CorruptIndexException exception = new CorruptIndexException("foo", "bar");
String uuid = Store.CORRUPTED + UUIDs.randomBase64UUID();
try (IndexOutput output = dir.createOutput(uuid, IOContext.DEFAULT)) {
CodecUtil.writeHeader(output, Store.CODEC, Store.VERSION_STACK_TRACE);
output.writeString(ExceptionsHelper.detailedMessage(exception));
output.writeString(ExceptionsHelper.stackTrace(exception));
CodecUtil.writeFooter(output);
}
try {
store.failIfCorrupted();
fail("should be corrupted");
} catch (CorruptIndexException e) {
assertTrue(e.getMessage().startsWith("[index][1] Preexisting corrupted index [" + uuid + "] caused by: CorruptIndexException[foo (resource=bar)]"));
assertTrue(e.getMessage().contains(ExceptionsHelper.stackTrace(exception)));
}
store.removeCorruptionMarker();
try (IndexOutput output = dir.createOutput(uuid, IOContext.DEFAULT)) {
CodecUtil.writeHeader(output, Store.CODEC, Store.VERSION_START);
output.writeString(ExceptionsHelper.detailedMessage(exception));
CodecUtil.writeFooter(output);
}
try {
store.failIfCorrupted();
fail("should be corrupted");
} catch (CorruptIndexException e) {
assertTrue(e.getMessage().startsWith("[index][1] Preexisting corrupted index [" + uuid + "] caused by: CorruptIndexException[foo (resource=bar)]"));
assertFalse(e.getMessage().contains(ExceptionsHelper.stackTrace(exception)));
}
store.removeCorruptionMarker();
try (IndexOutput output = dir.createOutput(uuid, IOContext.DEFAULT)) {
// corrupted header
CodecUtil.writeHeader(output, Store.CODEC, Store.VERSION_START - 1);
CodecUtil.writeFooter(output);
}
try {
store.failIfCorrupted();
fail("should be too old");
} catch (IndexFormatTooOldException e) {
}
store.removeCorruptionMarker();
try (IndexOutput output = dir.createOutput(uuid, IOContext.DEFAULT)) {
// corrupted header
CodecUtil.writeHeader(output, Store.CODEC, Store.VERSION + 1);
CodecUtil.writeFooter(output);
}
try {
store.failIfCorrupted();
fail("should be too new");
} catch (IndexFormatTooNewException e) {
}
store.close();
}
use of org.apache.lucene.index.IndexFormatTooNewException in project elasticsearch by elastic.
the class StoreTests method testChecksumCorrupted.
public void testChecksumCorrupted() throws IOException {
Directory dir = newDirectory();
IndexOutput output = dir.createOutput("foo.bar", IOContext.DEFAULT);
int iters = scaledRandomIntBetween(10, 100);
for (int i = 0; i < iters; i++) {
BytesRef bytesRef = new BytesRef(TestUtil.randomRealisticUnicodeString(random(), 10, 1024));
output.writeBytes(bytesRef.bytes, bytesRef.offset, bytesRef.length);
}
output.writeInt(CodecUtil.FOOTER_MAGIC);
output.writeInt(0);
String checksum = Store.digestToString(output.getChecksum());
// write a wrong checksum to the file
output.writeLong(output.getChecksum() + 1);
output.close();
IndexInput indexInput = dir.openInput("foo.bar", IOContext.DEFAULT);
indexInput.seek(0);
BytesRef ref = new BytesRef(scaledRandomIntBetween(1, 1024));
long length = indexInput.length();
IndexOutput verifyingOutput = new Store.LuceneVerifyingIndexOutput(new StoreFileMetaData("foo1.bar", length, checksum), dir.createOutput("foo1.bar", IOContext.DEFAULT));
// we write the checksum in the try / catch block below
length -= 8;
while (length > 0) {
if (random().nextInt(10) == 0) {
verifyingOutput.writeByte(indexInput.readByte());
length--;
} else {
int min = (int) Math.min(length, ref.bytes.length);
indexInput.readBytes(ref.bytes, ref.offset, min);
verifyingOutput.writeBytes(ref.bytes, ref.offset, min);
length -= min;
}
}
try {
BytesRef checksumBytes = new BytesRef(8);
checksumBytes.length = 8;
indexInput.readBytes(checksumBytes.bytes, checksumBytes.offset, checksumBytes.length);
if (randomBoolean()) {
verifyingOutput.writeBytes(checksumBytes.bytes, checksumBytes.offset, checksumBytes.length);
} else {
for (int i = 0; i < checksumBytes.length; i++) {
verifyingOutput.writeByte(checksumBytes.bytes[i]);
}
}
fail("should be a corrupted index");
} catch (CorruptIndexException | IndexFormatTooOldException | IndexFormatTooNewException ex) {
// ok
}
IOUtils.close(indexInput, verifyingOutput, dir);
}
use of org.apache.lucene.index.IndexFormatTooNewException in project elasticsearch by elastic.
the class StoreTests method testVerifyingIndexOutputWithBogusInput.
public void testVerifyingIndexOutputWithBogusInput() throws IOException {
Directory dir = newDirectory();
int length = scaledRandomIntBetween(10, 1024);
IndexOutput verifyingOutput = new Store.LuceneVerifyingIndexOutput(new StoreFileMetaData("foo1.bar", length, ""), dir.createOutput("foo1.bar", IOContext.DEFAULT));
try {
while (length > 0) {
verifyingOutput.writeByte((byte) random().nextInt());
length--;
}
fail("should be a corrupted index");
} catch (CorruptIndexException | IndexFormatTooOldException | IndexFormatTooNewException ex) {
// ok
}
IOUtils.close(verifyingOutput, dir);
}
Aggregations