szetszwo commented on a change in pull request #308:
URL: https://github.com/apache/incubator-ratis/pull/308#discussion_r532617176
##########
File path:
ratis-netty/src/main/java/org/apache/ratis/netty/server/DataStreamManagement.java
##########
@@ -61,11 +64,12 @@
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Function;
import java.util.stream.Collectors;
-import java.util.stream.Stream;
public class DataStreamManagement {
public static final Logger LOG =
LoggerFactory.getLogger(DataStreamManagement.class);
+ private Map<RaftGroupId, RaftClient> clientMap = new ConcurrentHashMap<>();
Review comment:
clientMap is unused.
##########
File path:
ratis-server/src/main/java/org/apache/ratis/server/impl/RaftServerImpl.java
##########
@@ -145,6 +152,16 @@
getMemberId(), () -> commitInfoCache::get, () -> retryCache);
this.startComplete = new AtomicBoolean(false);
+
+ this.raftClient = JavaUtils.memoize(() -> {
+ final RaftProperties p = new RaftProperties();
+ RaftConfigKeys.Rpc.setType(p, SupportedRpcType.GRPC);
Review comment:
It should call getRaftServer().getProperties(). Then, it will use all
the existing settings. We don't have to set RPC type.
```
this.raftClient = JavaUtils.memoize(() -> RaftClient.newBuilder()
.setRaftGroup(group)
.setProperties(getRaftServer().getProperties())
.build());
```
##########
File path: ratis-proto/src/main/proto/Raft.proto
##########
@@ -73,6 +73,7 @@ message StateMachineLogEntryProto {
enum Type {
WRITE = 0;
DATASTREAM = 1;
+ FORWARD = 2;
Review comment:
It seems not needed since StateMachine only sees DATASTREAM requests but
not FORWARD requests.
##########
File path:
ratis-server/src/main/java/org/apache/ratis/server/impl/RaftServerImpl.java
##########
@@ -719,10 +749,16 @@ public void stepDownOnJvmPause() {
} else {
final RetryCache.CacheEntry cacheEntry = previousResult.getEntry();
+ RaftClientRequest dataStreamRequest = null;
+ if (request.is(TypeCase.FORWARD)) {
+ dataStreamRequest = getDataStreamRaftClientRequest(request);
Review comment:
Just use
```
request = getDataStreamRaftClientRequest(request);
```
##########
File path: ratis-client/src/main/java/org/apache/ratis/client/api/AsyncApi.java
##########
@@ -40,6 +40,8 @@
*/
CompletableFuture<RaftClientReply> send(Message message);
+ CompletableFuture<RaftClientReply> sendForward(Message message);
Review comment:
Similar to DataStreamRpcApi, we should add an AsyncRpcApi so that the
new method could be hidden from users.
The parameter should be a RaftClientRequest.
```
public CompletableFuture<RaftClientReply> sendForward(RaftClientRequest
request);
```
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