use of org.apache.lucene.index.IndexFormatTooOldException in project crate by crate.
the class BlobStoreRepository method restoreShard.
@Override
public void restoreShard(Store store, SnapshotId snapshotId, IndexId indexId, ShardId snapshotShardId, RecoveryState recoveryState, ActionListener<Void> listener) {
final ShardId shardId = store.shardId();
final ActionListener<Void> restoreListener = ActionListener.delegateResponse(listener, (l, e) -> l.onFailure(new IndexShardRestoreFailedException(shardId, "failed to restore snapshot [" + snapshotId + "]", e)));
final Executor executor = threadPool.executor(ThreadPool.Names.SNAPSHOT);
final BlobContainer container = shardContainer(indexId, snapshotShardId);
executor.execute(ActionRunnable.wrap(restoreListener, l -> {
final BlobStoreIndexShardSnapshot snapshot = loadShardSnapshot(container, snapshotId);
final SnapshotFiles snapshotFiles = new SnapshotFiles(snapshot.snapshot(), snapshot.indexFiles());
new FileRestoreContext(metadata.name(), shardId, snapshotId, recoveryState) {
@Override
protected void restoreFiles(List<BlobStoreIndexShardSnapshot.FileInfo> filesToRecover, Store store, ActionListener<Void> listener) {
if (filesToRecover.isEmpty()) {
listener.onResponse(null);
} else {
// Start as many workers as fit into the snapshot pool at once at the most
int maxPoolSize = executor instanceof ThreadPoolExecutor ? ((ThreadPoolExecutor) executor).getMaximumPoolSize() : 1;
final int workers = Math.min(maxPoolSize, snapshotFiles.indexFiles().size());
final BlockingQueue<BlobStoreIndexShardSnapshot.FileInfo> files = new LinkedBlockingQueue<>(filesToRecover);
final ActionListener<Void> allFilesListener = fileQueueListener(files, workers, ActionListener.map(listener, v -> null));
// restore the files from the snapshot to the Lucene store
for (int i = 0; i < workers; ++i) {
executor.execute(ActionRunnable.run(allFilesListener, () -> {
store.incRef();
try {
BlobStoreIndexShardSnapshot.FileInfo fileToRecover;
while ((fileToRecover = files.poll(0L, TimeUnit.MILLISECONDS)) != null) {
restoreFile(fileToRecover, store);
}
} finally {
store.decRef();
}
}));
}
}
}
private void restoreFile(BlobStoreIndexShardSnapshot.FileInfo fileInfo, Store store) throws IOException {
boolean success = false;
try (InputStream stream = maybeRateLimit(new SlicedInputStream(fileInfo.numberOfParts()) {
@Override
protected InputStream openSlice(long slice) throws IOException {
return container.readBlob(fileInfo.partName(slice));
}
}, restoreRateLimiter, restoreRateLimitingTimeInNanos)) {
try (IndexOutput indexOutput = store.createVerifyingOutput(fileInfo.physicalName(), fileInfo.metadata(), IOContext.DEFAULT)) {
final byte[] buffer = new byte[BUFFER_SIZE];
int length;
while ((length = stream.read(buffer)) > 0) {
indexOutput.writeBytes(buffer, 0, length);
recoveryState.getIndex().addRecoveredBytesToFile(fileInfo.physicalName(), length);
}
Store.verify(indexOutput);
indexOutput.close();
store.directory().sync(Collections.singleton(fileInfo.physicalName()));
success = true;
} catch (CorruptIndexException | IndexFormatTooOldException | IndexFormatTooNewException ex) {
try {
store.markStoreCorrupted(ex);
} catch (IOException e) {
LOGGER.warn("store cannot be marked as corrupted", e);
}
throw ex;
} finally {
if (success == false) {
store.deleteQuiet(fileInfo.physicalName());
}
}
}
}
}.restore(snapshotFiles, store, l);
}));
}
Aggregations