public StreamRequestHandlerState handleRequest(
DataInputStream inputStream, DataOutputStream outputStream) throws IOException {
if (!keyIterator.hasNext()) return StreamRequestHandlerState.COMPLETE;
long startNs = System.nanoTime();
ByteArray key = keyIterator.next();
stats.recordDiskTime(handle, System.nanoTime() - startNs);
throttler.maybeThrottle(key.length());
if (validPartition(key.get()) && filter.accept(key, null) && counter % skipRecords == 0) {
VAdminProto.FetchPartitionEntriesResponse.Builder response =
VAdminProto.FetchPartitionEntriesResponse.newBuilder();
response.setKey(ProtoUtils.encodeBytes(key));
fetched++;
handle.incrementEntriesScanned();
Message message = response.build();
startNs = System.nanoTime();
ProtoUtils.writeMessage(outputStream, message);
stats.recordNetworkTime(handle, System.nanoTime() - startNs);
}
// log progress
counter++;
if (0 == counter % 100000) {
long totalTime = (System.currentTimeMillis() - startTime) / 1000;
if (logger.isDebugEnabled())
logger.debug(
"fetchKeys() scanned "
+ counter
+ " keys, fetched "
+ fetched
+ " keys for store:"
+ storageEngine.getName()
+ " partition:"
+ partitionList
+ " in "
+ totalTime
+ " s");
}
if (keyIterator.hasNext()) return StreamRequestHandlerState.WRITING;
else {
stats.closeHandle(handle);
return StreamRequestHandlerState.COMPLETE;
}
}
private VProto.GetAllResponse handleGetAll(
VProto.GetAllRequest request, Store<ByteArray, byte[]> store) {
VProto.GetAllResponse.Builder response = VProto.GetAllResponse.newBuilder();
try {
List<ByteArray> keys = new ArrayList<ByteArray>(request.getKeysCount());
for (ByteString string : request.getKeysList()) keys.add(ProtoUtils.decodeBytes(string));
Map<ByteArray, List<Versioned<byte[]>>> values = store.getAll(keys);
for (Map.Entry<ByteArray, List<Versioned<byte[]>>> entry : values.entrySet()) {
VProto.KeyedVersions.Builder keyedVersion =
VProto.KeyedVersions.newBuilder().setKey(ProtoUtils.encodeBytes(entry.getKey()));
for (Versioned<byte[]> version : entry.getValue())
keyedVersion.addVersions(ProtoUtils.encodeVersioned(version));
response.addValues(keyedVersion);
}
} catch (VoldemortException e) {
response.setError(ProtoUtils.encodeError(getErrorMapper(), e));
}
return response.build();
}
