Server Does Not Receive Heartbeats

[Norman Maurer]

Hi there,

Hard to tell without see the code but normally the should not "block"
the receiving.

Bye
Norman

2011/10/6, zx spectrum <webakaunt at gmail.com>:
> A client logs in to the server, and server starts sending lots and lots of
> messages back to the client. At the same time, a client needs to send
> HEARTBEATs back to the server every X seconds.
>
> login                   =>   [SERVER]  <----------  [CLIENT]
> send messages   =>   [SERVER]  ---------->  [CLIENT]
> send heartbeats   =>   [SERVER]  <----------  [CLIENT] ( at the same time )
>
> Seems that heartbeat messages do not reach the server until it is done
> sending all the messages. After all ( e.g. 10,000,000 ) messages are sent to
> the client, the server logs that it is now receiving those heartbeats that
> were sent before.
>
> I can't really tell whether or not it is client's fault of not being able to
> send the messages out (downstream) under a heavy load through the same
> channel:
>
>             clientChannel.write( ChannelBuffers.wrappedBuffer( message ) )
>
> Or it is the server, which is not capable to accept those heartbeats until
> all messages are sent out to the client.
>
> How can see where exactly "very late" heartbeats sit? And what is causing
> the channel lock in the "client --> server" direction?
>
> Thank you!
>