Re: Application Freezes!
Re: Application Freezes!
- Subject: Re: Application Freezes!
- From: Helge Staedtler <email@hidden>
- Date: Sat, 05 Nov 2005 01:26:36 +0100
perhaps you should just turn on *some* logging.
often just 5 scattered System.out.println's will give you an idea of "where"
your app (and which app-instance) hangs. for this you need to configure a
ppath where to write a logfile. and yeah, page 92 would be indeed a good
start. :-)
mysql, mac mini with 1GB & tiger server... what kind of contest are you
taking, "webobjects pico"? are iPod nanos an allowed/valid target-hardware
for it or does my iPod shuffle also qualify? ;-)
regards,
helge
Am 04.11.2005 22:14 Uhr schrieb "James Cicenia" unter <email@hidden>:
> Well -
>
> This has just started to happen now that we launched a new module
> that is more transaction intensive. Our concurrent users have also
> been boosted. It is mySQL on a Mac Mini runing TigerOSX Server with
> 1Gig. Don't laugh, amazing it has gone this far! I will try turning
> on another instance and see. There was nothing in my log files...
> they just stopped with nothing out of the ordinary.
>
> Anyway my next step is to move deployment to Linux. Any suggestions
> here? Redhat? JavaMonitor or jBoss? Licensing?
>
> James Cicenia
>
>
> On Nov 4, 2005, at 3:01 PM, Chuck Hill wrote:
>
>> On Nov 4, 2005, at 12:51 PM, Miguel Arroz wrote:
>>>
>>>>> Any thoughts? Do I need to create multiple instances now? I only
>>>>> have one
>>>>> instance currently.
>>>>>
>>>>>
>>>> We very rarely run a single instance.
>>>
>>> Is there any advantage in running more than one instance on the
>>> same server?
>>>
>> Advantage? We only run a single instance if we are desperate for
>> memory! Running multiple instances allows you to process higher
>> loads (EOF is only single threaded within the instances) and
>> provides for much better availability. With only a single
>> instance, if you recycle it your site is out until it restarts. As
>> single instance is only for memory starved machines and very low
>> traffic sites.
>>
>> Chuck
>>
>>
>> --
>> Coming in 2006 - an introduction to web applications using
>> WebObjects and Xcode http://www.global-village.net/wointro
>>
>> Practical WebObjects - for developers who want to increase their
>> overall knowledge of WebObjects or who are trying to solve specific
>> problems. http://www.global-village.net/products/
>> practical_webobjects
>>
>>
>>
>>
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