amaliujia commented on a change in pull request #264:
URL: https://github.com/apache/incubator-ratis/pull/264#discussion_r520199444
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File path:
ratis-netty/src/main/java/org/apache/ratis/netty/server/NettyServerStreamRpc.java
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@@ -247,13 +248,13 @@ public void addRaftPeers(Collection<RaftPeer> newPeers) {
proxies.addPeers(newPeers);
}
- private StreamInfo newStreamInfo(ByteBuf buf) {
+ private StreamInfo newStreamInfo(ByteBuf buf, boolean isPrimary) {
try {
final RaftClientRequest request = ClientProtoUtils.toRaftClientRequest(
RaftClientRequestProto.parseFrom(buf.nioBuffer()));
final StateMachine stateMachine =
server.getStateMachine(request.getRaftGroupId());
return new StreamInfo(request, stateMachine.data().stream(request),
- proxies.getDataStreamOutput(request));
+ isPrimary ? proxies.getDataStreamOutput(request) :
Collections.EMPTY_LIST);
Review comment:
Only primary server should create DataStreamOutputs for peers, otherwise
it will build up a deadlock.
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