[Mono-list] Mono Issue

Miguel de Icaza miguel@ximian.com
Mon, 11 Apr 2005 18:19:28 -0400


> The background to our problem is that we are deploying a large website
> on mono for a customer, and have the server 'freeze' about 1-2  times
> a day. At the freeze points mono takes up between 15-55% of  memory on
> the web server, typically consumes around 3% of CPU, and the  website
> becomes responsive again if the mono processes are restarted.
> =20
> The freeze is completely random. When we run strace we get copius
> output into the trace logs resulting in a large build-up in the log
> size. We are therefore forced to stop the trace because of this. Gdb
> kills the running application, so we don=FFt use it.
> =20
> Is there another way of running the trace for days on-end without
> producing voluminous (and perhaps unnecessary) data?

Could you provide the following information:

	* Operating system.

	* Mono version, xsp version, mod_mono version.

	* Process list, process sizes.
	* If you strace the hung process, what do you get?  A few lines
	  will be fine.