Re: [hylafax-users] batching almost there

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

offman@xxxxxxxxxxxxxxxx wrote:

> In your previous  post you stated that the jobs would be re-submitted  
> with a 'jitter', I assume that this "jitter" occurs because it is  
> from the "current time" and the re-schedule time is added in to  that 
> ., as aposed to the resubmittal being  "TTS"+ re-schedule time.


You are correct that the rescheduling occurs based on the current 
time... well, I think so anyway.  The "now" part isn't so much the 
problem as is the intentional "jitter".  There is actually a deliberate 
"jitter-time" that is random that is added to the the reschedule time.  
So the effect of it is that the batched jobs get "shuffled" with respect 
to their time-to-send.  HylaFAX added this jitter for a long, long time 
now.  The original author seems to have wanted that "jitter" there to 
prevent the same events from happening over time... I guess he believed 
that by randomizing the reschedule time that some time-related problems 
could be avoided.

> what would be the effect of taking the  old "TTS"+ the reschedule  
> time , and using that as the resubmit fire time?


Well, that could be done.  Same with removing the jitter.  It's just a 
behavior that has been there forever and the addition of batching to 
faxq didn't change that.

>  I would guess that this will put the jobs back into the re-try  queue 
> so they all fire at the same time ( if they were origionally  all sent 
> with the same TTS), that might negate the need to play about  with  an 
> admin agent, or is that likely to messup other users?


I don't know if it would mess others up.  But yes, your admin agent 
should be able to keep them all together.

> we might need a bit of logic  to check that the "old TTS+reschedule  
> time" was not less that the current time, just incase it was running  
> on a heavily loaded backlogged server, and if it was then just use  
> the "current time"+re-schedule time.


Yes, of course.

Lee.


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