[racket] WebServer memory and custom expiration page

From: Jay McCarthy (jay.mccarthy at gmail.com)
Date: Thu Apr 26 00:04:18 EDT 2012

On Wed, Apr 25, 2012 at 3:58 PM, J G Cho <gcho at fundingmatters.com> wrote:
> A couple of minor question about page expiring too fast.
> How does one assign more memory to WebServer (with State)? (I am
> guessing this delays expiration. Please correct me if I am wrong.) I
> read something about Continuation Managers but not clear how to create
> one and how to use it with serve/servlet.

Use the #:manager keyword to serve/servlet and pass it a different
number than (* 128 1024 1024) to make-threshold-LRU-manager.

> Also, when the page does expire, I'd like to provide a link to a place
> where user can go back (instead of keep pressing back buttons many
> times.) Do I edit some page under collects or pass a lambda to
> serve/servlet (as in the recent thread about statless/stuffer)?

A missing continuation is handled by the #:servlet-loading-responder
keyword function.


Jay McCarthy <jay at cs.byu.edu>
Assistant Professor / Brigham Young University

"The glory of God is Intelligence" - D&C 93

Posted on the users mailing list.