We're running 1.5
Bill Peddy
Web Developer
ECS Team - ITS-EPA II -
Contractor
voice: (919) 541-1329
fax: (919) 541-3700
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|"Peter J. Farrell" <[email protected]>
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|[email protected]
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| Date: |
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|05/05/2010 02:32 PM
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|Re: [Mach-II] Slow server
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Ed,
* Which version of Mach-II are you running? Sort of important for us to
know.
It's probably not a framework issue. Adobe CF tends to point to strange
code if a request times out. Usually it's a red herring.
* First, I'd look at this FAQ:
http://trac.mach-ii.com/machii/wiki/FAQWhySlow
I've seen problems like this when somebody accidentally leaves CF
debugging on (it runs on all requests even if you don't see output if
checked) or has the server monitor on some where.
* What's calling setArgs()?
It could be an bad loop (like <cfloop condition="#something#"> where
something always evaluates to true).
* Are you using scheduled tasks?
If it is coming in bunches, then it could be a scheduled task that is
holding things up. Especially tasks that use <cflocks>
* It could be deadlock issue with locks...
* Are you deploying changes to production and restarting the application
manually?
It could be that requests are piling up as an application gets
restarted. This is especially true if you are using an query string
parameter and calling LoadFramework() manually in your Application.cfc.
Reloading from the Dashboard uses a different technique (or optionally
in 1.9 we are adding a new method to do that called `reloadConfig()`
which uses the same process as the Dashboard).
* You might consider adding an onError() method to your Application.cfc
so you can log more information like the name of the event and incoming
parameters etc. You only about 30ms if the request is timed out to do
stuff, but you can extend the request execution by using an CF admin CFC
method so you can do more like send an email (let me know if need the
code to extend the timeout).
* Check your DB queries. Could be a long running query. Maybe somebody
dropped an index and didn't re-add it or something.
HTH,
.Peter
[email protected] said the following on 05/05/10 13:12:
> Our production server has been slow off and on for the last few days.
> Checking the server log showed some requests taking on the order of
300
> seconds. Changed a server setting: checked the box that says "Timeout
> Requests after (seconds): [tried 60 and 90]. Got a bunch of errors
> after changing the setting, saying that the particular thread exceeded
> the 60 second warning. The errors all come in bunches, e.g. 10
during
> the same minute. Since we changed the administrator setting, the
errors
> all point to a<CFLOOP> statement in the setArgs function of
> Machii/Framework/event.cfc.
>
> I would like to know if the cause is one of our apps or some outside
> event. We've been running machii for a few years now. The errors show
> up in several of our apps, all pointing to the machii setArgs
function.
> These are all apps that have been running successfully for years.
>
> How can I find out what is causing the slowdowns? Can anyone
recommend
> any tools? Any suggestions?
>
> Thanks
>
> ______________________________________________________________________
> Ed Szwedo
> Web Development Team Lead
> ECS Team - ITS-EPA II Contractor
>
> 109 TW Alexander Drive, Building NCC, Mail Drop N176-05, Research
> Triangle Park, NC 27711
> Information Technology Infrastructure Solutions | Office:
(919)541-3955
> | Fax: (919)541-3641 | [email protected] | www.ecs-federal.com
>
>
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