Re: [racket] web server stopped responding to TCP connections

2014-12-30 Thread Jay McCarthy
Just checking my mail now after the holiday... I've thought that I've seen this before, but the problem has been something else in each case. In one case I actually had something like an infinite loop in my program that starved the CPU of the accept() thread and so there were TCP-level timeouts on

Re: [racket] web server stopped responding to TCP connections

2014-12-30 Thread Tony Garnock-Jones
On 12/29/2014 08:25 PM, George Neuner wrote: >> Are you using Racket's SSL support, or is it http-only? > It's HTTP only. My application hides behind Apache on the same host so > it doesn't need SSL. That's good to know -- so *if* it's the same fault we're both seeing, then it's not limited to ju

Re: [racket] web server stopped responding to TCP connections

2014-12-29 Thread George Neuner
On 12/29/2014 6:52 PM, Tony Garnock-Jones wrote: On 12/29/2014 06:30 PM, Neil Van Dyke wrote: > Maybe someone who has the problem could use JMeter (or "ab", or similar) > to pound the server and reproduce the failure quickly, under debugging > conditions? I've tried ab on it: - many-requests

Re: [racket] web server stopped responding to TCP connections

2014-12-29 Thread George Neuner
Hi Tony, On 12/29/2014 6:21 PM, Tony Garnock-Jones wrote: On 12/29/2014 04:09 PM, George Neuner wrote: > Over the weekend my webserver application suddenly stopped responding to > TCP connections. It was following a large spate of broken connections > caused by debugging an issue on the browser

Re: [racket] web server stopped responding to TCP connections

2014-12-29 Thread Tony Garnock-Jones
On 12/29/2014 06:30 PM, Neil Van Dyke wrote: > Maybe someone who has the problem could use JMeter (or "ab", or similar) > to pound the server and reproduce the failure quickly, under debugging > conditions? I've tried ab on it: - many-requests doesn't seem to provoke the fault; - rapid-requests

Re: [racket] web server stopped responding to TCP connections

2014-12-29 Thread Neil Van Dyke
Hopefully others who've had this or related problems speak up too! Maybe someone who has the problem could use JMeter (or "ab", or similar) to pound the server and reproduce the failure quickly, under debugging conditions? Neil V. Racket Users list: http://lists.rac

Re: [racket] web server stopped responding to TCP connections

2014-12-29 Thread Tony Garnock-Jones
On 12/29/2014 04:09 PM, George Neuner wrote: > Over the weekend my webserver application suddenly stopped responding to > TCP connections. It was following a large spate of broken connections > caused by debugging an issue on the browser side. Great! I, too, have spotted this problem in at least