In message <182d6d9a-b79d-4889-b8e0-c90f52001...@transcomus.com>,
Michael Hale writes:
>On Apr 16, 2009, at 12:14 PM, Risto Vaarandi wrote:
>> Michael Hale wrote:
>>> Hello,
>>> I was wondering if there was a way to alarm if a certain output is  
>>> NOT  seen after a certain amount of time.
>>> For example, I have a logfile which lists transaction processing -  
>>> I  want to alarm when nothing is written to that file for a  
>>> certain  amount of time, or alternately, when either the string  
>>> "STATUS = 1" or  "STATUS=0" hasn't appeared for a certain amount of  
>>> time.
>> [...]
>> type=Calendar
>> time=* * * * *
>> desc=WAITING FOR STATUS
>> action=event %s
>One thing I noticed, using this method to try to detect when an input  
>isn't seen for a while, it seems since we're using the Calendar module  
>that the granularity is limited to a 60 second window.  Is there a way  
>to determine if we've not seen an input in a shorter windows, say 2  
>seconds ?

Sorry, I haven't followed this thread, but maybe sections:

 3.4 detecting missing events

and

 3.3 scheduling events with finer granularity

of: http://www.cs.umb.edu/~rouilj/sec/sec_paper_full.pdf
might be helpful?

--
                                -- rouilj
John Rouillard
===========================================================================
My employers don't acknowledge my existence much less my opinions.

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