Mark,

    Thank you for pointing out my error.  The process was in fact running
once per minute.

    I do agree regarding the previous post for systematic elimination of
other possible problems, I was simply showing what might occur from stupid
typographical errors on the part of user/sysadmin.

Cheers,

Sean


Mark Delany wrote:

> On Mon, Mar 12, 2001 at 01:52:00AM -0800, Sean Coyle wrote:
>> Also, 
>> 
>>     Another good thing to note:
>> 
>>     I was having a serious problem with qMail delivering mail to end users,
>> however, mail was being stored in the queue (this was quite some time ago
>> now).  I had made a few changes to a crontab entry the day earlier, however;
>> everything was seemingly running normally with qMail.
>> 
>>     Anyway, it turns out that I was running an INTENCE CRON job every single
>> second,
> 
> Are you sure about that? All the crons I've seen only let you run a
> job at most, once per minute. How did you get cron to run something
> once per second?
> 
> If the job runs at most once per minute, it's hard to imagine how it
> would consume all available resources such that qmail stopped
> delivering.
> 
> (Of course it's not impossible, but just unlikely: a job that runs for
> an hour that is started once per minute may well have a serious
> resource impact).
> 
>>     Just an example of how a completely unrelated system event can alter the
>> performance of other items... (hrrmmm chaos mathematics anyone?)
> 
> Most likely the problem is much simpler and more directly related. As
> the earlier poster suggested a systematic process of elimination is
> the best approach.
> 
> 
> Regards.

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