szetszwo commented on a change in pull request #231:
URL: https://github.com/apache/incubator-ratis/pull/231#discussion_r511237331
##########
File path:
ratis-netty/src/main/java/org/apache/ratis/netty/server/NettyServerStreamRpc.java
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@@ -234,7 +236,8 @@ public void channelRead(ChannelHandlerContext ctx, Object
msg) throws IOExceptio
}
}
- JavaUtils.allOf(remoteWrites).thenCombine(localWrite, (v,
bytesWritten) -> {
+ previous = previous.thenCombine(JavaUtils.allOf(remoteWrites), (u, v)
-> null)
+ .thenCombine(localWrite, (v, bytesWritten) -> {
Review comment:
> ... slow previous will slow down the following request. ...
It is a correct behaviour for Streaming. Streaming is FIFO like a queue.
We should guarantee the replies are in-ordered.
It is not an unordered RPC which allows later requests replied before the
earlier requests.
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