[vox-tech] repeating TCP Retransmission normal?

[Jeff Newmiller]

You need someone to tell you that the load balancer is broken? Sure, it is broken, it should cleanly close the connection. However, if every high volume service that needed a load balancer left connections open for 9 minutes then those servers would consume memory very inefficiently, so I would caution you against designing clients that behave that way because many servers might be broken by that definition.
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Sent from my phone. Please excuse my brevity.

Brian Lavender <brian at brie.com> wrote:
>I have a tcp client that connects to a server through a load balancer.
>After 9 minutes if the connection has sat idle and then the client
>decides to send traffic to the server, the load balancer responds with
>nothing. The client repetitively sends a tcp_retransmission. The load
>balancer seems to just shut the connection down and the client just
>keeps trying to reconnect.
>
>Should the load balancer reply with something? a RST or something?
>
>When I look at the host with the client connection, it appears that
>the connection is still open, but that 81 bytes are stuck in the
>SEND-Q.
>
>Networking experts, I need your help!
>
>brian