[Mono-list] Mono memory usage grows but application memory looks stable
kumpera at gmail.com
Sun Aug 23 16:18:07 EDT 2009
Can you run your application under valgrind to verify if it's not a runtime
On Sun, Aug 2, 2009 at 5:52 PM, Manuel C. <wtesto at zero.undo.it> wrote:
> I'm working on a long running application without GUI. My problem is, that
> mono uses an increasing amount of memory until it crashes after ~2 weeks.
> Here is a example output of "top" after a few days:
> 26225 xxxx 16 0 5360 1540 1336 S 0 0.0 0:00.01 bash
> 1478 xxxx 16 0 373m 151m 6088 S 0 1.9 0:35.80 mono
> 608 root 18 0 23284 7968 4760 R 0 0.1 0:00.07 apache2
> My first thoughts were some kind of memory leak caused by me. To track them
> down I downloaded the trial version of ANTS Memory profiler for Windwos and
> tracked the memory consumption over a few hours. Surprisingly there was no
> memory leak. The Process started with ~20mb of virtual memory, the real
> memory usage was the whole time less than 1mb. The virtual memory did also
> not increase the whole time.
> To get an approximation of the real memory used by my application running
> with mono, I logged the return value of "System.GC.GetTotalMemory(false)".
> It is stable while the memory consumption by the mono process increases.
> I don't know what to try now... Has anyone a hint or tip? Please ask if you
> need more information.
> Some additional information:
> Because I work under Windows XP, my C# code is written and built with
> Studio 2008 Express Edition. The production environment is a VPS with
> Etch and Mono version 1.9.1 from http://debian.meebey.net/etch-backports.
> The VPS is a 64-bit system.
> "uname -a"
> Linux xxxxxx 2.6.18 #1 SMP Fri Dec 12 06:15:44 UTC 2008 x86_64
> "mono -V"
> Mono JIT compiler version 1.9.1 (tarball)
> Copyright (C) 2002-2007 Novell, Inc and Contributors. www.mono-project.com
> TLS: __thread
> GC: Included Boehm (with typed GC)
> SIGSEGV: altstack
> Notifications: epoll
> Architecture: x86
> Disabled: none
> Application details:
> - built with .Net 2.0 as target framework
> - creates many shortliving TCP-clients (like a HTTP client)
> - uses generic lists with own classes
> - small built-in-HTTP-server
> - 2 main threads, one for the main loop, the other for the HTTP- server
> View this message in context:
> Sent from the Mono - General mailing list archive at Nabble.com.
> Mono-list maillist - Mono-list at lists.ximian.com
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