[erlang-questions] Where the Erlang node tick response will get stored ?.

[lankeanandrao]

Hi Ulf,
     Here you are saying that there will be separate con_loop for 1:1 
node connection, is it means that how many client nodes are connected to 
server node those many instances of con_loop will run in server.

Example :
     server@REDACTED and multiple clients client1@REDACTED, client2@REDACTED 
... ClientN@REDACTED all are in cluster and all client nodes are connected 
to server, now in server to connect
                     server@REDACTED to client1@REDACTED - 1st con_loop
                     server@REDACTED to client2@REDACTED - 2nd con_loop
                     server@REDACTED to clientN@REDACTED - nth con_loop
     multiple con_loops will run in server for connecting to each client 
node.

Thanks & Regards,
Anand Rao L

On Tuesday 06 June 2017 09:40 PM, Ulf Wiger wrote:
> The tick message is received in dist_util:con_loop/2:
>
> https://github.com/erlang/otp/blob/master/lib/kernel/src/dist_util.erl#L486
>
> There is a con_loop for each 1:1 node connection, and the tick state 
> simply keeps track of the number of tick intervals for which no data 
> has been received on the connection (note that at least ticks should 
> have been received.)
>
> Based on experience, with such a short ticktime, you might want to pay 
> attention to the +zdbbl setting for erl (dist_buf_busy_limit). If it 
> is set too low, there is a risk that the ticker process is suspended 
> and the connection times out. I believe this is less of a problem than 
> it used to be, when the distribution buffer busy limit was much lower 
> (and not configurable.)
>
> BR,
> Ulf W
>
> 2017-06-06 7:15 GMT+01:00 lankeanandrao <lankeanandrao@REDACTED 
> <mailto:lankeanandrao@REDACTED>>:
>
>     Hi all,
>
>          I am running my application in a distributed way, with one
>     server node and multiple client nodes and all nodes are started in
>     visible mode. Here I want to know when all the client nodes are
>     connected to the server node, the client nodes will send the tick
>     message to server node and as same as the server will send tick
>     message to all client nodes, here all the client nodes send tick
>     response to the server node. So here my question is
>
>        1. Where the tick response came from multiple client nodes is
>     getting stored?
>
>        2. If it is getting stored in kernel buffer, what is the buffer
>     size and how to find that?
>
>        3. How the tick response's of multiple nodes is getting served
>     by the Erlang kernel?
>
>     Note: The net tick time is set to 5 Second in all the nodes.
>
>     Thanks & Regards,
>     Anand Rao L
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