[RADIATOR] radiator shutdown on reload

Michael ringo at vianet.ca
Fri Jun 3 15:17:01 CDT 2011


I setup an identical radiator instance.  i'll do what you suggest. thanks.


On 11-06-03 03:04 PM, Martin Burton wrote:
> Just my 2p worth :-)
>
>>
>> The error i created was only a typo in an include statement filename.  so,
>> the only error is really a 'file not found' type error.  i wouldn't think
>> this would be reason enough to shut down.
>>
>
> Unless someone is willing to go through every possible failure scenario
> and identify whether such a failure should warrant a shutdown or not
> then there's no way that Radiator can decide.  The safest thing is to
> shutdown on *any* error, otherwise you could end up with a configuration
> that doesn't work the way you expect it to.  I know it's possible to end
> up with the same result even with a "correct" config, but shutting down
> if Radiator can actually detect an error seems by far the safest option
> to me.
>
> If your environment is mission-critical then the answer is to always
> pre-stage your configuration changes in a test environment that matches
> your live environment.  At least that way you can be sure that a simple
> typo isn't going to screw you over.  With the plethora of virtualisation
> solutions that are available these days there isn't really an excuse for
> not building a replica and testing stuff before you try it out.  I'm
> sure that Mike and Hugh etc wouldn't begrudge you using an extra copy of
> radiator beyond your license agreement for this kind of purpose? (we're
> lucky in that we haven't used up our licensed instance allocation)
>
>
>> Also, there is nothing in my log about the error.  The only time i seen
>> the error was on the cli when trying to start radiator back up again.  It
>> would be nice if radiator didn't shut down on error, but if it must, i
>> would think the last line in the log would be why it shut down.
>>
>> I guess since it can't parse the config during the startup, it doesn't
>> know where/how to log, so the best time to log such an error is before it
>> shuts down, while it still has config of where the log file is.
>>
>
> I've generally found that Radiator is exceptional at telling me exactly
> where I've stuffed up a configuration.  Having said that however, I
> generally tend to bump up the log level to max and SIGHUP the server
> before I make any further changes.  Perhaps doing the same might help
> for you?
>
> Cheers,
>
> Martin
>
>
>
>
>
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