|

»

Mono 2.0 defeat story...

View: New views

4 Messages — Rating Filter: Alert me

	Mono 2.0 defeat story... by Hubert FONGARNAND :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message Hi, A week ago, i tried to upgrade my mono server from 1.2.6 to the new 2.0 mono version. Bad idea... We use a custom CMS written in C#, it use to work well with 1.2.6 version. We had test mono 2.0 on our beta platform since a month and we had no big problems... But on production servers, the environnment is often different (multi-processor systems, much more users...). I was confident with mono 2.0 as it was supposed to be well tested by novell... The upgrade was really a pain, because we have found at least two bugs in mono : `https://bugzilla.novell.com/show_bug.cgi?id=433908` `https://bugzilla.novell.com/show_bug.cgi?id=434305` These bugs prevent our CMS app to run correctly on mono... In addition to these bugs we experienced a big memory leak with our mod-mono-server (it use to take ~60Mb (RSS) with mono 1.2.6, with mono 2.0 it was growing up to 3Go). So this week end we had some "out of memory" crash... In addition to this memory leak, the website was slowing down... When i start the mod-mono-server process, the web site speed is good (~900ms/req) and it was getting worse and worse as time... (15s/req) This morning i downgrade to 1.9.1 in hope that it would solve my problems... it solves the two first bugs problems (#433908, #434305); but not my memory leak problem So the last thing to do was to revert to the good one 1.2.6... and my speed and memory problems went away!!! I hope we could upgrade to mono 2.0 when it becomes more stable! I'm ready to help mono guys to trac these problems. `best wishes` Hubert FONGARNAND FIDUCIAL PS: we already run 1.9.1 on our intranet without any memory leaks problems, but we don't use our CMS PS : we run in a load balancing environnement, i've downgraded on only one server... and keep the other one offline in mono 2.0 to do some tests... _________________________________________________ Ce message et les éventuels documents joints peuvent contenir des informations confidentielles. Au cas où il ne vous serait pas destiné, nous vous remercions de bien vouloir le supprimer et en aviser immédiatement l'expéditeur. Toute utilisation de ce message non conforme à sa destination, toute diffusion ou publication, totale ou partielle et quel qu'en soit le moyen est formellement interdite. Les communications sur internet n'étant pas sécurisées, l'intégrité de ce message n'est pas assurée et la société émettrice ne peut être tenue pour responsable de son contenu. _______________________________________________ Mono-list maillist - Mono-list@... http://lists.ximian.com/mailman/listinfo/mono-list
	Re: [Mono-dev] Mono 2.0 defeat story... by Gonzalo Paniagua Javier-5 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message Hi Hubert! On Mon, 2008-10-13 at 17:18 +0200, Hubert FONGARNAND wrote: [...] > The upgrade was really a pain, because we have found at least two bugs > in mono : > > https://bugzilla.novell.com/show_bug.cgi?id=433908 > https://bugzilla.novell.com/show_bug.cgi?id=434305 > > These bugs prevent our CMS app to run correctly on mono... In addition > to these bugs we experienced a big memory leak with our > mod-mono-server (it use to take ~60Mb (RSS) with mono 1.2.6, with > mono 2.0 it was growing up to 3Go). So this week end we had some "out > of memory" crash... > In addition to this memory leak, the website was slowing down... When > i start the mod-mono-server process, the web site speed is good > (~900ms/req) and it was getting worse and worse as time... (15s/req) [...] Those bugs and the leak (https://bugzilla.novell.com/show_bug.cgi?id=435263) have already been addressed. Let us know if you find any other problem and sorry for the inconvenience. -Gonzalo _______________________________________________ Mono-list maillist - Mono-list@... http://lists.ximian.com/mailman/listinfo/mono-list
	Re: [Mono-dev] Mono 2.0 defeat story... by Stifu :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message Hi Gonzalo, Just out of curiosity, have automated tests been implemented to prevent such regressions in the future? If not, is this planned? Thanks.
	Re: [Mono-dev] Mono 2.0 defeat story... by Alan McGovern-2 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message Hi, This may be of interest: http://www.mono-project.com/Test_Suite Any bug report with an attached NUnit test which replicates the issue is greatly appreciated. It is the fastest way to get the bug fixed and best way to ensure it doesn't re-occur. Alan. On Wed, Oct 15, 2008 at 8:52 AM, Stifu <stifu@...> wrote: Hi Gonzalo, Just out of curiosity, have automated tests been implemented to prevent such regressions in the future? If not, is this planned? Thanks. -- View this message in context: http://www.nabble.com/Mono-2.0-defeat-story...-tp19956969p19988595.html Sent from the Mono - General mailing list archive at Nabble.com. _______________________________________________ Mono-list maillist - Mono-list@... http://lists.ximian.com/mailman/listinfo/mono-list _______________________________________________ Mono-list maillist - Mono-list@... http://lists.ximian.com/mailman/listinfo/mono-list