Followup: no, raising the listen backlog unfortunately didn't help either.
But the good news is that I've finally found the true cause of the
problem. It's not Racket's fault wescheme.org's compiler servers
"fail" on load spikes: rather, it's Amazon EC2. Specifically,
Amazon's Elastic Load Balan
>> Would you be amendable to adding a #:max-waiting keyword argument to
>> serve/servlet to override the default backlog of 40 waiters?
>
> Definitely. I won't be able to add it until tomorrow though afternoon
> though... if you want to push before then.
>
>> The
>> other calls into the web server
Ok. I think 40 is much too small as the default backlog size though.
I look at what the defaults are for other web servers like apache, and
the defaults are a bit larger there. (It's about 500 in Apache's
case):
http://httpd.apache.org/docs/current/mod/mpm_common.html#listenbacklog
_
On Wed, Apr 10, 2013 at 4:21 PM, Danny Yoo wrote:
> Hi Jay,
>
>
> Followup: for now, it looks like we're just that we're being hammered
> hard enough that the web server has no choice but to starts sending
> 503 responses. Memory usage appears bounded, despite what I had
> thought earlier. I'll
Hi Jay,
Followup: for now, it looks like we're just that we're being hammered
hard enough that the web server has no choice but to starts sending
503 responses. Memory usage appears bounded, despite what I had
thought earlier. I'll add additional server instances to host
wescheme.org's compiler
I have very long running instance of the Web server... running for
months and months with pretty steady access. For instance, the DrDr
Web app never needs to be restarted.
I don't want to be too dismissive of questions like this, but I
haven't noticed what you're talking about as being rooted in t
I wanted to check with other folks to see if anyone else has been
having problems with long-running instances of PLT web server. I'm
not using continuations, but just the standard request/response style
of webapp.
It's the compiler server for wescheme: I'm running into severe
problems where the s
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