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Feature #6579

Keep-alive time just for first signal

Added by José Luis Rey almost 4 years ago. Updated almost 4 years ago.

Status:
New
Priority:
Normal
Assignee:
-
Target version:
-
Start date:
08/31/2018
Due date:
% Done:

0%

Estimated time:

Description

Hello,

We're using wt server in some customers that use networks monitors to check service avalibity, this tools usually ping a server each minute or half a minute to check if the service is alive.

When using "dedicated-process" this means that each ping will generate a new process consuming a considerable amount of memory, this sessions will not be closed until the the defined timeout is reached.

I beleive that after a session is created, if we don't receive a keep alive, lets say, 5 seconds, the process/session should be close directly.

Controlling first keep-alive/timeout in a different way can helps a lot with this kind of services.

Best regards

J.Rey

#1

Updated by Roel Standaert almost 4 years ago

We use service monitoring, too, but we just do a request for a static file somewhere in the docroot. No session is created in that case, and thus no session process.

You could also make a static WResource for that. That will also not generate a new session.

#2

Updated by Roel Standaert almost 4 years ago

Oh, another option is to actually make the session, but check for a certain parameter or something. If it's just a monitoring request, you can call quit() immediately, but I think someone reported a bug related to calling quit at construction, I'll have to look at that first.

#3

Updated by José Luis Rey almost 4 years ago

Hello Roel,

Thanks for the info, the static request/WResource is not an option (we really want to know that everything is up, database, network resources, etc, so we create real sessions like the app does).

Finally we added a url parameter for monitoring, and just start a new thread when monitoring detected, that kill the isolated process as soon as the response to the query has been sent.

Thanks again,

J.

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