Thanks Carl,
Is there any example for the same ?
Thanks
Avinash
On Monday, September 12, 2016 at 11:47:06 PM UTC+5:30, Carl Mastrangelo
wrote:
>
> You need to provide your on Executor in NettyServerBuilder. The default
> is a cached threadpool which spawns threads too quickly under load.
>
> Also, you are using the blocking client API, which won't be as fast as the
> Async API. You should only create one channel, and reuse it. Also, the
> Channel needs its own threadpool too.
>
> On Monday, September 12, 2016 at 6:59:58 AM UTC-7, Avinash Dongre wrote:
>>
>> Hello All,
>>
>> I am trying to see if I can use this framework in my project. I need to
>> know what should be my GRPC Server configuration to achieve low latency and
>> high throughput.
>>
>> This is how I am starting a GRPC which is embedded in another Java
>> Process.
>>
>> I am not doing anything on the server side, and when I call this method
>> for 1000000 times. I am getting
>>
>> *Took 167 Seconds 167085714844 NanoSeconds*
>>
>> This is certainly high, but I am sure I am doing something wrong in
>> configuring gRPC Server, Please help.
>>
>> private void startGRPCService(GemFireCacheImpl cache) {
>>
>> int port = system.getConfig().getRpcPort();
>>
>> if ( this.isServerNode() && port != 0) {
>> try {
>> gRPCServer = NettyServerBuilder.forPort(port)
>> .addService(new MTableServiceImpl())
>> .channelType(NioServerSocketChannel.class)
>> .build()
>> .start();
>> } catch (IOException e) {
>> e.printStackTrace();
>> }
>> logger.info("GRPC Server started, listening on " + port);
>>
>> Runtime.getRuntime().addShutdownHook(new Thread() {
>> @Override
>> public void run() {
>> // Use stderr here since the logger may have been reset by its JVM
>> shutdown hook.
>> System.err.println("*** shutting down gRPC server since JVM is
>> shutting down");
>> this.stopGRPCServer();
>> System.err.println("*** server shut down");
>> }
>> });
>> }
>> }
>>
>>
>> Service is implemented as follows, It does nothing but just returns a a
>> status.
>>
>> public class MyServiceImpl extends MyServiceGrpc.MyServiceImplBase {
>>
>> private static final Logger logger = LogService.getLogger();
>>
>> @Override
>> public void tablePut(PutMessage request, StreamObserver<PutMessageReply>
>> responseObserver) {
>> PutMessageReply reply =
>> PutMessageReply.newBuilder().setStatus(PutMessageReply.OpStatus.SUCCESS).build();
>> responseObserver.onNext(reply);
>> responseObserver.onCompleted();
>> }
>>
>>
>>
>> Client is implemented as follows
>>
>> public class TableServiceClient {
>> private static final Logger logger = LogService.getLogger();
>> public static TableServiceClient INSTANCE = new TableServiceClient();
>> private Map<ServerLocation, TableServiceGrpc.TableServiceBlockingStub>
>> grpcConnectionMap = new HashMap<>();
>> private Random r = new Random();
>> private List<TableServiceGrpc.TableServiceBlockingStub> valuesList;
>> private int numberOfServers = 0;
>> private PutMessage.Builder putMessageBuilder = MPutMessage.newBuilder();
>>
>>
>> public TableServiceClient() {
>> this.valuesList = new ArrayList<>(grpcConnectionMap.values());
>> this.numberOfServers = valuesList.size();
>> }
>>
>> private TableServiceGrpc.TableServiceBlockingStub getApplicableChannel() {
>> return this.valuesList.get(r.nextInt(this.numberOfServers));
>> }
>>
>> public void put(final String tableName, MPut put, List<Integer>
>> columnPositions, byte[] value,)
>> {
>> TableServiceGrpc.TableServiceBlockingStub channel =
>> getApplicableChannel();
>>
>>
>> this.putMessageBuilder.setKey(ByteString.copyFrom(put.getRowKey()))
>> .setValue(ByteString.copyFrom(value))
>> .setTableName(tableName);
>>
>> for (Integer position : columnPositions) {
>> this.putMessageBuilder.addColumnPositions(position);
>> }
>>
>> MPutMessage putMessage = this.putMessageBuilder.build();
>> MPutMessageReply response;
>>
>> try {
>> response = channel.tablePut(putMessage);
>> } catch (StatusRuntimeException e) {
>> logger.warn("RPC failed: {0}", e.getStatus());
>> return;
>> }
>> this.putMessageBuilder.clear();
>> PutMessageReply.OpStatus status = response.getStatus();
>> }
>> }
>>
>>
>>
>> Thanks
>> Avinash
>>
>>
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